# Papers Presented

- Voyiadjis, G. Z., and Faghihi, D., “Gradient Plasticity with Temperature, Grain Size and Rate Dependent Length Scales.”

Invited lecture presented at the Symposium on Multiscale Behavior of Damage and Failure Mechanics, Conference of the Engineering Mechanics Institute 2011 (EMI 2011), Northeastern University, Boston, Massachusetts, June 2011. - Voyiadjis, G. Z., Shojaei, A., and Li, G., “On the Theoretical and Computational Aspect of Damage and Healing Simulation.”

Invited lecture presented at the Symposium on Multiscale Behavior of Damage and Failure Mechanics, Conference of the Engineering Mechanics Institute 2011 (EMI 2011), Northeastern University, Boston, Massachusetts, June 2011. - Voyiadjis, G. Z., and Faghihi, D., “Microstructure to Macro-scale using Gradient Plasticity with Temperature and Rate Dependent Length Scales.”

Invited Keynote lecture presented at the International Union of Theoretical and Applied Mechanics (IUTAM) Symposium on Linking Scales in Computations: from Microstructure to Macro-scale Properties, Pensacola, Florida, May 2011. - Voyiadjis, G. Z., “Materials and Structures under Extreme Loadings: Coupled Viscoplastic Damage Model for Hypervelocity Impact in Metals & Composites.”

Invited lecture presented at Center of Materials, College of Engineering, School of Mechanical Engineering, Hanyang University, Seoul, Republic of Korea, April 2011. - Voyiadjis, G. Z., “Integral Abutment Bridge for Soft and Stiff Soils: Testing and Computation.”

Invited lecture presented at the Division of Infrastructure Research, GS E&C Research Institute, Seoul, Republic of Korea, April 2011. - Voyiadjis, G. Z., ” In-situ Hydraulic Conductivity in Soils Using the Piezocone Penetration Test with Application to Tunneling.”

Invited lecture presented at the Division of Infrastructure Research, GS E&C Research Institute, Seoul, Republic of Korea, April 2011. - Voyiadjis, G. Z., and Faghihi, D., “Analytical and Experimental Determination of Rate and Temperature Dependent Length Scales Using Nanoindentation.”

Invited Keynote lecture presented at the “Mini-symposium on Deformation and Failure at Micro and Nano Scales in honor of Professor W. Nix,” The 17th International Symposium on Plasticity & Its Current Applications, Puerto Vallarta, Mexico, January 2011. - Voyiadjis, G. Z., Deliktas, B., Faghihi, D., and Lodygowski, A., “Multiscale Physical Model for Friction and Wear in Metals Using Gradient Based Damage Coupled Viscoplasticity.”

Invited Speaker presented at the Symposium on “Multiscale Modeling of Micro/Nano Structural Thin Films,” of the ASME International Mechanical Engineering Congress and Exposition, Vancouver, Canada, November 2010. - Voyiadjis, G. Z., and Deliktas, B., “Nonlocal Gradient Thermodynamic Formulation for Polycrystalline Materials.”

Invited Speaker presented at the Symposium on “Multiscale Modeling of Micro/Nano Structural Thin Films,” of the ASME International Mechanical Engineering Congress and Exposition, Vancouver, Canada, November 2010. - Voyiadjis, G. Z., and Faghihi, D., “Multiscale Physical Model for Friction and Wear in Metals Using Gradient Based Damage Coupled Viscoplasticity.”

Invited lecture presented at the Symposium on “Damage and Fracture Characterization of Engineering Materials,” of the ASME International Mechanical Engineering Congress and Exposition, Vancouver, Canada, November 2010. - Voyiadjis, G. Z., “DAMAGE: Frictional Wear in Metals and Delamination in Ballistic Impacted MMCs.”

Invited lecture presented at the USAF Research Laboratory (AFRL), Computational Mechanics Branch (RWPC), EGLIN AFB, September 2010. - Lodygowski, A., Voyiadjis, G. Z., and Rusinek, A., “Friction and Wear at Elevated Velocities: Experiments and Theory.”

Invited lecture presented in the Department of Civil Engineering, Krakow, September 2010. - Lodygowski, A., Voyiadjis, G. Z., and Rusinek, A., “Experimental and Numerical Approach to the Problem of Friction and Wear at Elevated Velocities.”

Invited lecture presented in the 7th German-Greek-Polish Symposium on Recent Advances in Mechanics, Poznan, Poland, September 2010. - Voyiadjis, G. Z., “Modeling Polycrystals from Micro to Nano Size Range using Strain Gradient Plasticity.”

Invited lecture presented at the World Class University, Department of Civil and Environmental Engineering, Hanyang University, Seoul, Republic of Korea, June 2010. - Voyiadjis, G. Z., and Deliktas, B., “Modeling Nanocrystalline Materials with Strain Gradient Plasticity.”

Keynote lecture presented at the, 12th International Congress on Mesomechanics (Mesomechanics 2010), at the Mini Symposium to honor Professor C. Eringen, Taipei, Taiwan, June 2010. - Voyiadjis, G. Z., “Nanocrystalline Material Behavior with Strain Gradient Plasticity.”

Invited lecture presented at the, World Class University, Department of Civil and Environmental Engineering, Hanyang University, Seoul, Republic of Korea, April 2010. - Voyiadjis, G. Z., “Nonlocal Modeling of High Rate and Frictional Effects in Wear of Metals.”

Invited lecture presented in the Department of Civil Engineering, Johns Hopkins University, Baltimore, Maryland, March 2010. - Voyiadjis, G. Z., “Wear and Frictional Effects in Metals at Elevated Temperatures and High Velocities.”

Invited lecture presented in the Mechanical Engineering Department, Iowa State University, Ames, Iowa, March 2010. - Voyiadjis, G. Z., “High Velocity Friction and Wear in Metals at Elevated Temperatures.”

Invited lecture, Department of Civil Engineering, University of Mississippi, Oxford, Mississippi, February 2010. - Voyiadjis, G. Z., and Deliktas, B., “Modeling Nanocrystalline Materials with Strain Gradient Plasticity.”

Invited Keynote lecture presented at the “Mini-symposium on Gradient Theory and Single Crystals,” The 16th International Symposium on Plasticity & Its Current Applications, St. Kitts, January 2010. - Deliktas, B., and Voyiadjis, G. Z., “High Rate and Frictional Effects in Wear of Metals Using Strain Gradient Plasticity.”

Invited Keynote lecture presented at the “Mini-symposium on Gradient Theory and Single Crystals,” The 16th International Symposium on Plasticity & Its Current Applications, St. Kitts, January 2010. - Voyiadjis, G. Z., “Simulation of Impact Behavior of Composite Materials using Multiscale Coupled Viscoplastic Damage Model.”

Invited lecture, World Class University, Department of Civil and Environmental Engineering, Hanyang University, Seoul, Republic of Korea, November 2009. - Voyiadjis, G. Z., and Deliktas, B., “Mathematical Aspects of the Gradient Plasticity Coupled with Temperature Gradient for the Assessment of the Nonstandard Boundary Conditions.”

Invited lecture presented at the Symposium on “Experimental and Theoretical Characterization for the Inelastic Behavior of the Micro/Nanostructured Thin Films,” of the ASME International Mechanical Engineering Congress and Exposition, Lake Buena Vista, Florida, November 2009. - Voyiadjis, G. Z., and Deliktas, B., “Effects of Size and Grain Boundaries on the Energetic and Dissipative Concepts in Thermodynamic Formulation of the Polycrystalline.”

Invited lecture presented at the Symposium on “Experimental and Theoretical Characterization for the Inelastic Behavior of the Micro/Nanostructured Thin Films,” of the ASME International Mechanical Engineering Congress and Exposition, Lake Buena Vista, Florida, November 2009. - Voyiadjis, G. Z., Peters, R., and Deliktas, B., “Experimental Determination of Length Scales for Gradient Plasticity in Impact Problems.”

Invited lecture presented at the Symposium on “Experimental and Theoretical Characterization for the Inelastic Behavior of the Micro/Nanostructured Thin Films,” of the ASME International Mechanical Engineering Congress and Exposition, Lake Buena Vista, Florida, November 2009. - Voyiadjis G. Z. and Deliktas B., “Effects of Size and Grain Boundaries on the Energetic and Dissipative Concepts in Thermodynamic Formulation of the Polycrystalline.”

Invited lecture presented at the “Symposium in Honor of Zdenek Bazant,” 2009 Joint ASCE-ASME-SES Conference on Mechanics of Materials, Blacksburg, Virginia, June 2009. - Voyiadjis G. Z. and Deliktas B., “Simulation of Impact Behavior of Composite Materials Using Thermodynamically Consistent Coupled Viscoplastic Damage Model.”

Invited lecture presented at the “Symposium on Computational Methods for Modeling and Quantification of Structural Flaws,” 2009 Joint ASCE-ASME-SES Conference on Mechanics of Materials, Blacksburg, Virginia, June 2009. - Noh M. -H., Park, T. and Voyiadjis G. Z., “Detection of Degraded Stiffness from Multiple Cracks in Plate Structures.”

Invited lecture presented at the “Symposium on Advances in Health Monitoring and System Identification,” 2009 Joint ASCE-ASME-SES Conference on Mechanics of Materials, Blacksburg, Virginia, June 2009. - Tak M., Park, T. and Voyiadjis G. Z., “The Parallelized Finite Element Method for Nearly Incompressible and Impermeable Porous Media.”

Invited lecture presented at the 2009 Joint ASCE-ASME-SES Conference on Mechanics of Materials, Blacksburg, Virginia, June 2009. - Voyiadjis G. Z. and Deliktas B., “Simulation of the Perforation and Penetration Behavior of Composite Materials Using Thermodynamically Consistent Coupled Viscoplastic Damage Model.”

Plenary lecture presented at the “15th International Conference on Composite Structures, Porto, Portugal, June 2009. - Voyiadjis G. Z. and Kattan, P. I., “Mechanics of Small Damage in Fiber-Reinforced Composite Materials.”

Invited lecture presented at the “Mini-symposium on Damage Mechanics,” The “15th International Conference on Composite Structures, Porto, Portugal, June 2009. - Faure, L., Philippon, S., Lodygowski, A., Voyiadjis, G. Z., Rusinek, A., Chevrier, P. and Dossou, E., “Evolution of an Original Device Allowing the Determination of the Dry Friction Coefficient in Dynamic Conditions.”

Invited lecture presented at the Workshop “Theoretical and Experimental Approaches for Dynamic Industrial Processes,” Madrid, Spain, June 2009. - Voyiadjis G. Z., Deliktas B., Lodygowski A., Palazotto A. N., Philippon S., Rusinek A., Faure L. and Chevrier P., “High Rate and Frictional Effects in Wear of Metals Using Strain Gradient Plasticity.”

Invited lecture presented at the “Dynamic Behavior of Materials, Workshop in Memory of Prof. J. R. Klepaczko,” Metz, France, May 2009. - Faure, L., Philippon, S., Lodygowski, A., Voyiadjis, G. Z., Rusinek, A., Chevrier, P. and Dossou, E., “Design of a Dynamometer Capable of Capturing the Dry Friction Force in Dynamic Conditions.”

Invited lecture presented at the “Dynamic Behavior of Materials, Workshop in Memory of Prof. J. R. Klepaczko,” Metz, France, May 2009. - Voyiadjis G. Z., Lodygowski A., and Deliktas, B., “Hypervelocity Wear Prediction Computations and Experiments.”

Invited lecture presented at the Air Force of Institute, Wright Patterson Air Force Base, May 2009. - Voyiadjis, G. Z., Almasri, A. H., and Palazotto, A. N., “Impact and Penetration of Steel Plates Using Dynamic Based Length Scales.”

Invited lecture presented at the “Mini-symposium on Polycrystal Plasticity and Viscoplasticity,” The 15th International Symposium on Plasticity & Its Current Applications, St. Thomas, U.S. Virgin Islands, January 2009. - Voyiadjis, G. Z., and Deliktas, B., “Variational Formulation of Gradient Plasticity including Interfacial Energy Effects with Non-standard Boundary Conditions.”

Invited Keynote lecture presented at the “Mini-symposium in Honor of David McDowell,” The 15th International Symposium on Plasticity & Its Current Applications, St. Thomas, U.S. Virgin Islands, January 2009. - Voyiadjis, G. Z., and Deliktas, B., “Variational Formulation of the Gradient Plasticity Coupled with Temperature Gradient for the Easement of the Non-standard Boundary Conditions.”

Invited lecture presented at the Symposium on “Multiscale Constitutive Modeling,” of the ASME International Mechanical Engineering Congress and Exposition, Boston, Massachusetts, November 2008. - Voyiadjis, G. Z., Almasri, A. H., and Palazotto, A. N., “Using Gradient Theory in Plate Penetration Problem.”

Invited lecture presented at the Symposium on “Multiscale Constitutive Modeling,” of the ASME International Mechanical Engineering Congress and Exposition, Boston, Massachusetts, November 2008. - Voyiadjis, G. Z., and Deliktas, B., “Strain Gradient Plasticity with Reference to Decomposition of the State Variables into Energetic and Dissipative Components.”

Invited lecture presented at the Symposium in “Memory of A. J. M. Spencer,” 45th Annual Technical Meeting of the Society of Engineering Science, University of Illinois at Urbana-Champaign, Illinois, October 2008. - Voyiadjis, G. Z., and Deliktas, B., “Strain Gradient Plasticity with Interface Energy Effects Using Consistent Thermodynamics.”

Invited lecture presented at the Symposium on “Plasticity and Damage Size Effects at the Micron and Nano Length Scales,” 45th Annual Technical Meeting of the Society of Engineering Science, University of Illinois at Urbana-Champaign, Illinois, October 2008. - Park, T., Tak, M., and Voyiadjis, G. Z., “Porous Melt Flow Analysis Using Coupled Finite Element Method.”

Lecture presented at the Symposium on “Fluid-Structure Interaction,” 45th Annual Technical Meeting of the Society of Engineering Science, University of Illinois at Urbana-Champaign, Illinois, October 2008. - Woelke, P. W., Abboud, N. N., Daddazio, R. P., and Voyiadjis, G. Z., “Localization, Damage and Fracture Modelling in Shell Structures.”

Lecture presented at the 8th World Congress on Computational Mechanics (WCCM8), and the 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), Venice, Italy, June-July 2008. - Voyiadjis, G. Z., “Regularizing Shear Bands Using Dynamic Length Scale.”

Invited lecture presented at the Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland, June 2008. - Voyiadjis, G. Z., Almasri, A. H., and Palazotto, A. N., “Impact and Penetration of Steel Plates Using Dynamic Based length scales.”

Opening Conference Keynote lecture presented at “The Second US-France Symposium organized by: the International Center for Applied Computational Mechanics, ICACM 2008,” Rocamadour, France, May 2008. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Palazotto, A. N., “Modeling Impact Damage due to Projectile Penetration with Size Effects at the Micron and Nano Length Scales.”

Invited Keynote lecture presented at the “Mini-symposium in Honor of Dr. Chaboche: Cyclic Plasticity, Fatigue & Damage,” Plasticity 2008, Kailua/Kona, Hawaii, January 2008. - Voyiadjis, G. Z., and Almasri, A. H., “A dynamic Based Length Scale for Shear Bands Regularization.”

Invited lecture presented at the “Mini-symposium in Computational Plasticity,” Plasticity 2008, Kailua/Kona, Hawaii, January 2008. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Modeling of Size-Dependent Plasticity in Micro and Nano Systems.”

Invited lecture presented at the Symposium on “Bridging the Length Scales,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Seattle, Washington, November 2007. - Abu Al-Rub, R. K., Voyiadjis, G. Z., Bammann, D. J., and Aifantis, E. C., “Modeling the Size and Interface Effects in Thin Metal Film-Substrate Systems Using the Strain Gradient Plasticity.”

Lecture presented at the Symposium on “Bridging the Length Scales,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Seattle, Washington, November 2007. - Abu Al-Rub, R. K., Voyiadjis, G. Z., and Palazotto, A. N., “Micro-Damage Constitutive Modeling and Numerical Simulation of Perforation of Targets by Projectiles.”

Lecture presented at the Symposium on “Dynamic Response of Materials,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Seattle, Washington, November 2007. - Voyiadjis, G. Z., and Almasri, A., “Constitutive Modeling of Ingot Iron as a BCC Metal.”

Invited lecture presented at the Symposium of the “Multiscale Modeling of Engineering Materials,” 44th Annual Technical Meeting of the Society of Engineering Science, Texas A & M, College Station, Texas, October 2007. - Almasri, A., and Voyiadjis, G. Z., “Regularizing Shear Bands Using Dynamic Length Scale.”

Lecture presented at the Symposium of the “Student Competition,” 44th Annual Technical Meeting of the Society of Engineering Science, Texas A & M, College Station, Texas, October 2007. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “On the Higher-Order Gradient Plasticity Theory and its Non-classical Boundary Conditions.”

Lecture presented at the Symposium of the “Multiscale Studies of Plasticity,” 44th Annual Technical Meeting of the Society of Engineering Science, Texas A & M, College Station, Texas, October 2007. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Simulation of the Micromechanics of Localized Damage and Fracture in Metals at High Speed Impacts.”

Invited lecture presented at the Symposium of “Plasticity and Damage Size Effects at the Micron and Nano Length Scales,” 44th Annual Technical Meeting of the Society of Engineering Science, Texas A & M, College Station, Texas, October 2007. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Prediction of Micro and Nano Indentation Size Effect from Conical or Pyramidal Indentation.”

Lecture presented at the Symposium of “Plasticity and Damage Size Effects at the Micron and Nano Length Scales,” 44th Annual Technical Meeting of the Society of Engineering Science, Texas A & M, College Station, Texas, October 2007. - Park, T., Tak, M., and Voyiadjis, G. Z., “New Coupled Analysis on Mixed Finite Element Formulation of Nearly Incompressible Saturated Porous Media.”

Lecture presented at the Symposium of the “Mathematical and Computational Aspects of Multi-scale and Multi-physics Modeling,” 44th Annual Technical Meeting of the Society of Engineering Science, Texas A & M, College Station, Texas, October 2007. - Voyiadjis, G. Z., Palazotto, A. N., and Lodygowski, A., “Modeling and Simulation of Shear Bands in Metals with Applications to High Velocity Wear in Metals and Impact Damage due to Deformable Projectiles.”

Invited Lecture at the Air Force Institute of Technology, Wright Patterson Air Force Base, WPAFB, Ohio, August 2007. - Voyiadjis, G. Z., “Modeling and Simulation of Shear Bands in Metals and Impact Damage of Steel Plates by Deformable Projectiles.”

Invited Lecture at the Poznan Technical University, Poznan, Poland, August 2007. - Voyiadjis, G. Z., Almasri, A., Abed, F. H., and Palazotto, A. N., “A Physically Based Constitutive Model for BCC and FCC Metals with Applications to Dynamic Hardness.”

General Lecture presented at the CMDS 11, the 11th International Symposium on Continuum Models and Discrete Systems,” Ecole des Mines de Paris, Paris, France, July-August 2007. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Palazotto, A. N., “Simulation of the Micromechanics of Localized Damage and Fracture in Solids at High Speed Impacts.”

Lecture presented at the Symposium to honor Professor J. Tinsley Oden’s 70th birthday “Computational Solid Mechanics: Recent Advances” of the 9th US National Congress on Computational Mechanics, San Francisco, California, July 2007. - Abu Al-Rub, R. K., Voyiadjis, G. Z., Bammann, D. J., and Aifantis, E. C., “On the Higher-Order Gradient Plasticity Theory and its Non-Standard Boundary Condition.”

Lecture presented at the Symposium to honor Professor Kaspar J. Willam’s 65th birthday “Nonlocal and Generalized Continuum Modeling of Solids,” of the 9th US National Congress on Computational Mechanics, San Francisco, California, July 2007. - Voyiadjis, G. Z., and Abed, F. H., “Localization in Plane Strain Tensile Deformations of Thermoviscoplastic Materials.”

Keynote Lecture presented at the Symposium of “Characterization and Modeling of Time-Dependent Materials and Processes,” of the McMat 2007, ASME Applied Mechanics and Materials Conference, Austin, Texas, June 2007. - Almasri, A., and Voyiadjis, G. Z., “Constitutive Modeling of BCC metals: Application to Ingot Iron.”

Lecture presented at the Symposium of “Characterization and Modeling of Time-Dependent Materials and Processes,” of the McMat 2007, ASME Applied Mechanics and Materials Conference, Austin, Texas, June 2007. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Modeling Size Effects in Macro/Nano-Systems by Including Interfacial Effects in a Gradient Plasticity Framework.”

Lecture presented at the Symposium of “Characterization and Modeling of Time-Dependent Materials and Processes,” of the McMat 2007, ASME Applied Mechanics and Materials Conference, Austin, Texas, June 2007. - Voyiadjis, G. Z., and Abed, F., “Effects of Microstructure Physical Quantities on Localization in Metals.”

Lecture presented at the Symposium of “Inelastic Behavior,” of the 18th Engineering Mechanics Division Conference of the ASCE, Blacksburg, Virginia, June 2007. - Almasri, A., and Voyiadjis, G. Z., “Constitutive Modeling of Ingot Iron as a BCC Metal.”

Lecture presented at the Symposium of “Inelastic Behavior,” of the 18th Engineering Mechanics Division Conference of the ASCE, Blacksburg, Virginia, June 2007. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Surface/Interface Effects on Size Dependent Plasticity in Micro and Nano Systems.”

Lecture presented at the Symposium of “Inelastic Behavior,” of the 18th Engineering Mechanics Division Conference of the ASCE, Blacksburg, Virginia, June 2007. - Voyiadjis, G. Z., and Almasri, A., “Metal Alloys Constitutive Modeling at Different Strain Rates and Temperatures.”

Lecture presented at the Symposium of “Inelastic Behavior,” of the 18th Engineering Mechanics Division Conference of the ASCE, Blacksburg, Virginia, June 2007. - Abed, F. H., Abu-Farsakh, G., and Voyiadjis, G. Z., “A Macro-mechanical Damage Model of Fibrous Laminated Composites.”

Lecture presented at the Symposium of “Inelastic Behavior,” of the 18th Engineering Mechanics Division Conference of the ASCE, Blacksburg, Virginia, June 2007. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Modeling Impact Damage Due to Projectile Penetration.”

Invited speaker at the Session on “Theory Modeling and Simulation,” of the 17th U.S. Army Symposium on Solid Mechanics, Theme: Blast and Fragment Mitigation, Baltimore, Maryland, April 2007. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Modeling and Simulation of Shear Bands in Metals and Impact Damage of Steel Plates by Deformable Projectiles.”

Keynote lecture at “The 1st US-France Symposium on Advances in Bridging Scales in Computation: From Microstructure to Macro-Scale Properties of Heterogeneous Materials,” Shalimar, Florida, March 2007. - Abu-Farsakh, M. Y., Gu, J., Voyiadjis, G. Z., and Mingjiang, “Numerical Parametric Study of Strip Footing on Reinforced Embankment Soil.”

Lecture presented of at the 86th Transportation Research Board Meeting, Washington, DC., January 2007. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “The Effect of Surface or Interface Energy on Size Effects for Thin Films.”

Invited speaker at the Symposium of “Bridging the Length Scales,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Chicago, Illinois, November 2006. - Voyiadjis, G. Z., and Abed, F., “Effects of Microstructure Physical Quantities on the Flow Stress of Metals.”

Invited speaker at the Symposium of “Bridging the Length Scales,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Chicago, Illinois, November 2006. - Woelke, P., Chan, K-K., Aboud, N., Daddazio, R., Hapij, A., and Voyiadjis, G. Z., “A Viscoplastic Damage Model for Analysis of Shells Using EPSA.”

Lecture presented at the “Modeling and Simulation,” of the 77th Shock and Vibration Symposium, SAVIAC (Shock and Vibration Information Analysis Center), Monterey, California, October/November 2006. - Woelke, P., Chan, K-K., Aboud, N., Daddazio, and Voyiadjis, G. Z., “Analysis of Shear Flexible Layered Isotropic and Composite Shells by EPSA.”

Lecture presented at the “Numerical Methods,” of the 77th Shock and Vibration Symposium, SAVIAC (Shock and Vibration Information Analysis Center), Monterey, California, October/November 2006. - Voyiadjis, G. Z., “Modeling and Simulation of Impact Damage in Metals.”

Plenary lecture in the 35rth Solid Mechanics Conference, Krakow, Poland, September 2006. - Voyiadjis, G. Z., “Modeling and Simulation of Shear Bands in Metals and Impact Damage of Steel Plates by Deformable Projectiles.”

Invited Seminar at Paul Weidlinger and Associates, New York, New York, August 2006. - Voyiadjis, G. Z., and Almasri, A. H., “Effect of Strain Rate in Dynamic Hardness for Metals.”

Invited lecture at the “Multiscale Materials Modeling Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Dislocation Based Continuum Gradient Plasticity.”

Keynote lecture at the “Size Effects at the Micron and Submicron Length Scales in Metals Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Abed, F. H., and Voyiadjis, G. Z., “Parametric Study of the Voyiadjis-Abed Microstructural Based Flow Stress Models.”

Invited lecture at the “Size Effects at the Micron and Submicron Length Scales in Metals Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Voyiadjis, G. Z., and Abed, F. H., “Internal State Variable-Based Strain Rate Effect on Thermo-Mechanical Material Behavior.”

Invited lecture at the “Size Effects at the Micron and Submicron Length Scales in Metals Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Voyiadjis, G. Z., and Kattan, P. I., “Evolution of Fabric Tensors in Damage Mechanics.”

Keynote lecture at the “Fabric Tensors in Damage Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Almasri, A. H., and Voyiadjis, G. Z., “Fabric Tensors to Quantify Micro-Cracks in Metal Matrix Composite Materials.”

Invited lecture at the “Fabric Tensors in Damage Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Taqieddin, Z. N., Voyiadjis, G. Z., and Kattan, P. I., “Damage Mechanics in the Elastic Analysis of Composite Materials Using Fabric Tensors.”

Invited lecture at the “Fabric Tensors in Damage Symposium,” of the 43rd Annual Technical Meeting of the Society of Engineering Science, Penn State, Pennsylvania, August 2006. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “On the Modeling of Size Dependent Plasticity at the Micron and Submicron Length Scales.”

Invited lecture at the “Strain Gradient Plasticity Symposium,” of the 12th International Symposium on Plasticity & Its Current Applications, Halifax, Nova Scotia, Canada, July 2006. - Voyiadjis, G. Z., and Abed, F. H., “Dynamic Localization in Plane Strain Tensile Deformations of Thermoviscoplastic Materials.”

Keynote lecture at the “Strain Gradient Plasticity Symposium,” of the 12th International Symposium on Plasticity & Its Current Applications, Halifax, Nova Scotia, Canada, July 2006. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Modeling and Simulation of Impact Damage of Steel Plates by Deformable Projectiles.”

Keynote lecture at the “Physically Based Constitutive Models for Metals: Theory and Computation Symposium,” of the 7th World Congress on Computational Mechanics, Los Angeles, California, July 2006. - Voyiadjis, G. Z., and Abed, F. H., “Algorithmic Tangent Stiffness Matrix for Physically Based Viscoplasticity in Metals.”

Invited lecture at the “T. H. Lin 95th Birthday Symposium,” of the 7th World Congress on Computational Mechanics, Los Angeles, California, July 2006. - Abed, F. H., and Voyiadjis, G. Z., “Thermo-Viscoplastic Deformation of Metal Alloys.”

Lecture presented at the “Physically Based Constitutive Models for Metals: Theory and Computation Symposium,” of the 7th World Congress on Computational Mechanics, Los Angeles, California, July 2006. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Bridging of Material Length Scales and Size Effects.”

Keynote lecture at the “Mindlin Symposium,” of the 15th U.S. National Congress of Theoretical and Applied Mechanics, Boulder, Colorado, June 2006. - Voyiadjis, G. Z., and Dorgan, R. J., “On the Implementation of a Gradient Enhanced Nonlinear Plasticity.”

Invited lecture at the “Symposium on Nonlocal and Generalized Continua for Solids,” of the 15th U.S. National Congress of Theoretical and Applied Mechanics, Boulder, Colorado, June 2006. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “A Dislocation Based Gradient Plasticity Theory with Application to Size Effects.”

Invited lecture in the IUTAM Symposium on Plasticity at the micron scale, Technical University of Denmark, Lyngby, Denmark, May 2006. - Voyiadjis, G. Z., and Abed, F. H., “Temperature and Strain Rate Dependent Yield Functions for Dynamic Localizations of Metals.”

Invited lecture in the IUTAM Symposium on Plasticity at the micron scale, Technical University of Denmark, Lyngby, Denmark, May 2006. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Palazotto, A., “Modeling and Simulation of Perforation of Steel Plates by a Blunt Projectiles.”

Lecture presented at the “Symposium on High Velocity Impact,” 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, Rhode Island, May 2006. - Voyiadjis, G. Z., and Abed, F. H., “Adiabatic Shear Banding for Different Metals at High Velocity Impact.”

Lecture presented at the “Symposium on High Velocity Impact,” 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, Rhode Island, May 2006. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Abed, F. H., “Computational Multi-Scale Modeling of localization Phenomena due to Impact in Metals.”

Lecture Presented at the Air Force Institute of Technology, Wright Patterson Air Force Base, Ohio, September 2005. - Abed, F. H., and Voyiadjis, G. Z., “Multiscale Rate-Dependent Modeling for Isothermal and Adiabatic Deformations: Theory and Finite Element Implementation.”

Lecture presented at the “Symposium on Multiscale Computational Methods in Solid Mechanics,” 8th National Congress on Computational Mechanics, Austin, Texas, July 2005. - Voyiadjis, G. Z., and Abed, F. H., “Adiabatic Shear Banding in Tantalum, Niobium and Vanadium over a Wide Range of Temperatures and Strain Rates.”

Lecture presented at the “Symposium on Computational Methods for Generalized Continua,” 8th National Congress on Computational Mechanics, Austin, Texas, July 2005. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Abed, F. H., “Computational Multiscale Modeling of Localization Phenomena in Metals.”

Plenary lecture presented at the 16th International Conference on Computer Methods in Mechanics, Czestochowa, Poland, June 2005. - Voyiadjis, G. Z., and Abed, F. H., “Multiscale Viscoplastic Deformation Modeling of Steel Alloys.”

Invited speaker at the “Symposium on Micromechanics/Nanomechanics,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Bammann, D. J., Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Thermodynamics of a Dislocation Gradient Model of Inelasticity”

Invited speaker at the “Symposium on Honoring the Contributions of Professor Aifantis,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Glema, A., Lodygowski, T., Nowak., Z., Perzyna, P., and Voyiadjis, G. Z., “Thermo-Elasto-Viscoplastic Model of a Material with Non-local and Anisotropic Intrinsic Microdamage.”

Lecture presented at the “Symposium on Instabilities in Solids and Structures,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Dorgan, R. J., and Voyiadjis, G. Z., “A Gradient Enhanced Plasticity Model with Dislocation Based Length Scales.”

Lecture presented at the “Symposium on Instabilities in Multiscale Modeling and Simulation of Materials,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Kim, B. H., Park, T., and Voyiadjis, G. Z., “Nondestructive Damage Evaluation Using the Multi-resolution Haar Wavelet: Beam-like Structures.”

Lecture presented at the “Symposium on Instabilities in Vibration-Based Damage Detection and Prognosis,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Kattan, P. I., “Evolution of Fabric Tensors in Damage Mechanics.”

Invited speaker at the “Symposium on Honoring the Career and Contributions of Professor Dusan Krajcinovic,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Abu Al-Rub, R. K., Voyiadjis, G. Z., and Palazotto, A. N., “Finite Strain Plastic-Damage Model for High Velocity Impacts Using Combined Viscosity and Gradient Localization Limiters.”

Lecture presented at the “Symposium on Computational Plasticity and Damage at the Micron Scale,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Abed, F. H., and Voyiadjis, G. Z., “Thermodynamic Consistent Modeling for Dynamic Localizations of BCC Metals.”

Invited speaker at the “Symposium on Computational Plasticity and Damage at the Micron Scale,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Perzyna, P., and Voyiadjis, G. Z., “The Thermodynamic Theory of Elasto-Viscoplasticity Accounting for Induced Anisotropy Effects.”

Lecture presented at the “Symposium on Honoring the Contributions of Professor Elias Aifantis,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Park, T., Moonho, T., and Voyiadjis, G. Z., “Large Deformation Analysis of Saturated Porous Media.”

Lecture presented at the “Symposium on Coupled Problems in Geomaterials (soils, rocks and concrete),” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Park, T., Lee, P.-S., Voyiadjis, G. Z., “Analysis of Large Deformation for Unsaturated Porous Media Using Arbitrary Lagrangian Eulerian Method.”

Lecture presented at the “Symposium on Coupled Problems in Geomaterials (soils, rocks and concrete),” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Alsaleh, M. I., Alshibli, K. A., and Voyiadjis, G. Z., “Micro-Material Properties and Heterogeneity Effects on Strain Localization in Granular Materials.”

Lecture presented at the “Symposium on Bifurcation and Instability in Geological and Granular Materials,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Identification of Material Length Scale in Gradient Plasticity.”

Lecture presented at the “Symposium on Multiscale Modeling of Defects in Crystals,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Dorgan, R. J., “A Coupled Damage-Plasticity Model with Gradient Enhanced Non-Linear Hardening.”

Invited speaker at the “Symposium on Nonlocal and Generalized Continua for Solids,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “A Microstructural Based Gradient Plasticity Theory.”

Lecture presented at the “Symposium on Nonlocal and Generalized Continua for Solids,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Cicekli, U., Voyiadjis, G. Z., and Beuerman, R. W., “Finite Element Modeling and Simulation of the Blinking Effect on the Temperature Distribution in the Human Eye.”

Lecture presented at the “Symposium on Engineering Approaches to Biological Tissues,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Finite Element Implementation of a Plasticity and Damage Model for Ratchetting.”

Invited speaker at the “Symposium on Honoring Professor Yannis F. Dafalias on the Occasion of his 60th Birthday,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Woelke, P., and Voyiadjis, G. Z., “Elasto-Plastic and Ductile Damage Finite Element Analysis of Shells.”

Lecture presented at the “Symposium on Damage Mechanics,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Lee, S., Park, T., and Voyiadjis, G. Z., “Recurrent Model for Vibration and Buckling Analysis of Multi-Delaminated Beam-Columns.”

Lecture presented at the “Symposium on Mechanics and Material Behavior of Composites,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Gradient Plasticity Theory with a Variable Length Scale Parameter.”

Invited speaker at the “Symposium on Honoring the Contributions of Professor Elias Aifantis,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Kattan, P. I., “Damage Mechanics with Fabric Tensors.”

Lecture presented at the “Symposium on Fabric Tensors in Damage Mechanics,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., Kattan, P. I., and Taqieddin, Z. N., “Analysis of Damage in Composite Materials using Fabric Tensors and the Continuum Approach.”

Lecture presented at the “Symposium on Fabric Tensors in Damage Mechanics,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Almasri, A. H., “Using Fabric Tensor to Quantify Micro-Cracks in Composite Materials.”

Lecture presented at the “Symposium on Fabric Tensors in Damage Mechanics,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Taqieddin, Z. N., Voyiadjis, G. Z., and Kattan, P. I, “Micromechanical Modeling of Damage in Fiber Reinforced Composite Materials using Fabric Tensors.”

Lecture presented at the “Symposium on Fabric Tensors in Damage Mechanics,” of the 2005 Joint ASCE/ASME/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 2005. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “A Nonlocal Plasticity and Damage Model for Size Effect in Metal Matrix Composites.”

Invited speaker presented at the “Symposium on Multiscale Modeling of Damage and Fracture Processes in Composite Materials,” of the IUTAM (International Union of Theoretical and Applied Mechanics), Kazimierz Dolny, Poland, May 2005. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Theoretical Framework for Coupling of Non-Local Damage and Viscoplasticity for Dynamic Localization Problems.”

Invited speaker at the “Symposium on Damage Mechanics,” of the 11th International Conference on Fracture, Turin, Italy, March 2005. - Abed, F. H., and Voyiadjis, G. Z., “Thermomechanical Responses of the Plastic Deformation for FCC Metals at Low and High Strain Rates and Temperatures.”

Lecture presented at the “Symposium on Impact and Dynamics – Advances in Dynamic Failure Mechanics,” of the 11th International Conference on Fracture, Turin, Italy, March 2005. - Voyiadjis, G. Z., “Computational Modeling of Non-Local Damage and Viscoplasticity for Dynamic Localization Problems.”

Invited speaker at the “Seminar series,” of the Department of Civil and Environmental Engineering, University of Southern California, Los Angeles, California, March 2005. - Voyiadjis, G. Z., “Theoretical Modeling of Non-Local Damage and Viscoplasticity for Impact Problems.”

Invited speaker at the “Seminar series,” of the Department of Civil and Environmental Engineering, Pennsylvania State University, University Park, Pennsylvania, March 2005. - Shi, X. M., Cai, C. S., Voyiadjis, G. Z., and Zhang, Z. J. “Design of Ribbed Concrete Approach Slab Based on Its Interaction with Embankment”

Lecture presented at the National Research Council, TRB annual conference, Jan. 2005, Washington, D.C. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Bridging of Material Length Scales Using the Gradient Plasticity Theory for Size effects.”

Invited speaker at the “Symposium on Gradient Theory of Plasticity,” of the Plasticity 2005 International Conference, Kauai, Hawaii, January 2005. - Voyiadjis, G. Z., and Abed, F. H., “Thermomechanical Response of Metals with Different Crystal Structures at High Strain Rates and Temperatures.”

Lecture presented at the “Symposium on Dynamic Response of Materials,” of the Plasticity 2005 International Conference, Kauai, Hawaii, January 2005. - Voyiadjis, G. Z., and Dorgan, R. J., “Formulation of a Gradient Enhanced Coupled Damage-Plasticity Model.”

Invited speaker at the Symposium of “Multiscale Materials Modeling and Computer Simulation,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Anaheim, California, November 2004. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Finite Element Implementation of a Thermo-viscoplastic Model for Ratcheting.”

Lecture presented at the Symposium of “Analysis of Metal Deformation and Ratcheting Failure Processes,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Anaheim, California, November 2004. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Size Effects in Material Damage.”

Invited speaker at the Symposium of “Durability and Damage Tolerance of Heterogeneous Materials,” of the ASME International Mechanical Engineering Congress and RD&D Expo, Anaheim, California, November 2004. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “A Non-local Constitutive Model to Simulate Impact Damage Problems.”

Lecture presented at the Symposium of Micromechanics and Physics of Materials of The 41st Annual Technical Meeting of the Society of Engineering Science (SES), Lincoln, Nebraska, October 2004. - Dorgan, R. J., and Voyiadjis, G. Z., “A C1 Finite Element Multi-Field Solution of a Gradient Plasticity Model.”

Lecture presented at the Symposium in Impact-Resilient Materials and Structures of The 41st Annual Technical Meeting of the Society of Engineering Science (SES), Lincoln, Nebraska, October 2004. - Voyiadjis, G. Z., and Abed, F. H., “On the Physical Basis of the Zerilli-Armstrong Model Parameters.”

Lecture presented at The 41st Annual Technical Meeting of the Society of Engineering Science (SES), Lincoln, Nebraska, October 2004. - Abed, F. H., and Voyiadjis, G. Z., “Characterization and Modeling of the Plastic Behavior for Metals with Different Crystal Structures: Physically Based.”

Lecture presented at The 41st Annual Technical Meeting of the Society of Engineering Science (SES), Lincoln, Nebraska, October 2004. - Voyiadjis, G. Z., “Nonlocal Model with Bridging of Length Scales for Impact Damage in Materials.”

Invited speaker in the Seminar Series of the Department of Civil Engineering, Johns Hopkins University, Baltimore, Maryland, October 2004. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Multi-Scale Computational Modeling of Localization Problems.”

Keynote lecture presented at the Sixth World Congress on Computational Mechanics in Conjunction with Second Asian-Pacific Congress on Computational Mechanics, Beijing, China, September 2004. - Shi, X. M., Cai, C. S., Voyiadjis, G. Z., and Zhang, Z. J “Determination of Interaction between Bridge Concrete Approach Slab and Embankment Settlement with 3D Finite Element Modeling”

Lecture presented at the ASCE/ACI Louisiana Civil Engineering Conference and Show, September 10th 2004, at the Pontchartrain Center in Kenner, LA. - Voyiadjis, G. Z., and Abed, F. H., “Physically Based Thermomechanical Modeling of Metals over a Wide Range of Strain Rates and Temperatures.”

Lecture presented at the “Session on Plasticity and Viscoplasticity,” of the 21st International Congress of Theoretical and Applied Mechanics, Warsaw University of Technology, Warsaw, Poland, August 2004. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Palazotto, A. N., “Nonlocal Constitutive Model for Impact Damage in Metals.”

Lecture presented at the “Session on Damage Mechanics,” of the 21st International Congress of Theoretical and Applied Mechanics, Warsaw University of Technology, Warsaw, Poland, August 2004. - Voyiadjis, G. Z., and Song, C. R., “Micro-mechanics in Soils and Shear Bands with Applications to the Cone Penetrometer.”

Keynote lecture presented at the Geo Jordan 2004, Advances in Geotechnical Engineering with Emphasis on Dams, Highway Materials, and Soil Improvement, Irbid, Jordan, July 2004. - Alsaleh, M. I., Alshibli, K. A., and Voyiadjis, G. Z., “On the Bridging of the Length Scales and the Behavior of Granular Materials.”

Lecture presented at the Geo Jordan 2004, Advances in Geotechnical Engineering with Emphasis on Dams, Highway Materials, and Soil Improvement, Irbid, Jordan, July 2004. - Shi, X. M., Cai, C. S., Voyiadjis, G. Z. and Zhang Z. J., “Finite element analysis of concrete approach slab on soil embankment.”

Lecture presented at the Geo-Trans 2004, the Geo-Institute of the American Society of Civil Engineers, July 28, 2004, Los Angeles, CA. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Palazotto, A. N., “Determination of Material Length Scale from Microbending of Thin Films.”

Lecture presented at the “Session on Mechanics of Thin Films and Coatings,” of the 17th Engineering Mechanics Conference of the American Society of Civil Engineers (ASCE), University of Delaware, Newark, Delaware, June 2004. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Gradient Plasticity with Variable Length Scale Parameters.”

Lecture presented at the “Session on Length-Scale Constitutive Modeling of Pre- and Post-Failure Response of Civil Engineering Materials,” of the 17th Engineering Mechanics Conference of the American Society of Civil Engineers (ASCE), University of Delaware, Newark, Delaware, June 2004. - Alsaleh, M. I., Voyiadjis, G. Z., and Alshibli, K. A., “Using the Cosserat Rotation in Lade’s Model to Address Strain Localization in Granular Materials.”

Lecture presented at the “Session on Length-Scale Constitutive Modeling of Pre- and Post-Failure Response of Civil Engineering Materials,” of the 17th Engineering Mechanics Conference of the American Society of Civil Engineers (ASCE), University of Delaware, Newark, Delaware, June 2004. - Voyiadjis, G. Z., Dorgan, R.J., Marin, E.B., Bammann, D.J., and Regueiro, R., “Multi-Field Implementation of a Gradient Enhanced Plasticity Model.”

Lecture presented at the “Session on Length-Scale Constitutive Modeling of Pre- and Post-Failure Response of Civil Engineering Materials II,” of the 17th Engineering Mechanics Conference of the American Society of Civil Engineers (ASCE), University of Delaware, Newark, Delaware, June 2004. - Voyiadjis, G. Z., Dorgan, R.J., and Moorthy, S., “Gradient Theory and Microcrack Diffusion in Damage Mechanics.”

Lecture presented at the 8th International Conference on Numerical Methods in Industrial Forming Processes (NUMIFORM), The Ohio State University, Columbus, Ohio, June 2004. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Gradient Plasticity Theory with Variable Length Scale Parameters.”

Lecture presented at the 40th Annual Technical Meeting of the Society of Engineering Science, Ann Arbor, Michigan, October 2003. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Intrinsic Length Scale of Gradient Plasticity and Indentation.”

Presented at the Student Paper Competition, of the 40th Annual Technical Meeting of the Society of Engineering Science, Ann Arbor, Michigan, October 2003. - Voyiadjis, G. Z., Dorgan, R.J., and Aifantis, E.C., “Bridging of Length Scales through Gradient Theory and Diffusion Equations of Dislocations and Microcracks.”

Invited speaker presented at the 5th Euromech Solid Mechanics Conference, Aristotle University of Thessaloniki, Thessaloniki, Greece, August 2003. - Dorgan, R.J., Marin, E.B., Bammann, D.J., and Voyiadjis, G. Z., “Multi-Field Implementation of a Gradient Enhanced Plasticity Model.”

Lecture presented at the Engineering Science Summer Institute Seminar Series, Sandia National Laboratories, Livermore, California, August 2003. - Voyiadjis, G. Z., and Abed, F. H., “Microstructural Basis for Constitutive Relation Model of BCC Metals.”

Lecture presented at the Tenth Annual International Conference on Composites/Nano Engineering, ICCE/10, New Orleans, Louisiana, July 2003. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Determination of the Material Intrinsic Length Scale of Gradient Plasticity Theory.”

Lecture presented at the Tenth Annual International Conference on Composites/Nano Engineering, ICCE/10, New Orleans, Louisiana, July 2003. - Voyiadjis, G. Z., “Multi-Scale Analysis of Multiple Damage Mechanisms Coupled with Inelastic Behavior of Composite Materials.”

Distinguished Lecture presented at the “Symposium on Impact,” of the Tenth Annual International Conference on Composites/Nano Engineering, ICCE/10, New Orleans, Louisiana, July 2003. - Voyiadjis, G. Z., and Dorgan, R. J., “A Gradient Enhanced Model to Account for Nonlocal Plastic and Damage Behavior in Composite Materials.”

Invited lecture at the Symposium on “Mechanics of Composites in the Infrastructure,” of the Lecture presented at the 16th ASCE Engineering Mechanics Conference, University of Washington, Seattle, Washington, July 2003. - Voyiadjis, G. Z., Abu Al-Rub, R. K., and Palazotto, A. N., “Gradient-Dependent Viscoplasticity and Viscodamage.”

Invited lecture at the Symposium “In Honor of Kirk Valanis,” of the 16th ASCE Engineering Mechanics Conference, University of Washington, Seattle, Washington, July 2003. - Voyiadjis, G. Z., and Dorgan, R. J., “Gradient Dependent Computational Models for Localization Problems in Materials.”

Keynote lecture at the 15th International Conference on Computer Methods in Mechanics CMM-2003, Gliwice / Wisla, Poland, June 2003. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Thermodynamic Framework for Coupling of Viscoplasticity and Viscodamage for Dynamic Localization Problems Using Gradient Theory.”

Presented at the 984th American Mathematical Society (AMS) Meeting, Applied Mathematics and Materials Science Special Session, Baton Rouge, Louisiana, March 2003. - Abu-Farsakh, M. Y., Tumay, M. T., and Voyiadjis, G. Z., “Finite Element Modeling and Study of Factors Affecting Piezocone Penetration Test Results.”

Presented at the 82nd Transportation Research Board meeting, Washington, D.C., January 2003. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “”Determination of the Material Length-Scale Using Nano- and Micro-Indentation.”

Invited speaker at the MSCSI-net Workshop on Parameter Identification in Structural and Materials Engineering, Technical University (Politecnico) of Milan, Italy, November 2002. - Voyiadjis, G. Z., and Dorgan, R.J., “Nonlocal Damage Formulation Incorporating Gradients for Hardening.”

Presented at the ASME International Mechanical Engineering Congress & Exposition, New Orleans, Louisiana, November 2002. - Voyiadjis, G. Z., and Abu Al-Rub, R. K., “Length Scales in Gradient Plasticity.”

Invited speaker at the IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials, Marrakesh, Morocco, October 2002. - Voyiadjis, G. Z., and Dorgan, R. J., “Nonlocal Plasticity with Gradient of Kinematic and Isotropic Hardening.”

Invited speaker at the IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials, Marrakesh, Morocco, October 2002. - Voyiadjis, G. Z., and Abu Al-Rub, “On the Coupling of Damage and Plasticity Models for Ductile Materials.”

Invited speaker at the Symposium of “Continuum Plasticity and Damage,” of the SES 2002, 39th Annual Technical Meeting of the Society of Engineering Science Conference, State College, Pennsylvania, October 2002. - Abu Al-Rub, R. K., and Voyiadjis, G. Z., “Thermodynamic Framework for Coupling of Non-Local Viscoplasticity and Non-Local Anisotropic Viscodamage for Dynamic Localization Problems Using Gradient Theory.”

Presented at the Student Paper Competition, of the SES 2002, 39th Annual Technical Meeting of the Society of Engineering Science Conference, State College, Pennsylvania, October 2002. - Dorgan, R. J., Voyiadjis, G. Z., Marin, E. B., and Bammann, D. J., “Gradient Enhanced Finite Elements for Plasticity.”

Presented at the Student Paper Competition, of the 2002, 39th Annual Technical Meeting of the Society of Engineering Science Conference, State College, Pennsylvania, October 2002. - Voyiadjis, G. Z., and Dorgan, R. J., and Park, T., “A Gradient Anisotropic, Temperature Dependent, Damage Model for Metal Matrix Composites.”

Presented at the Session of Materials, Constitutive Laws of the Second International Conference on Advances in Structural Engineering and Mechanics, Busan, Korea, August 2002. - Lee, S., Park, T., and Voyiadjis, G. Z., “Vibration Analysis of Multi-Delaminated Beams Using Single Compound Delaminated Beam Model.”

Presented at the Session of Structural Engineering II of the Second International Conference on Advances in Structural Engineering and Mechanics, Busan, Korea, August 2002. - Song, C. R., and Voyiadjis, G. Z., “Non Local Approach for Geomaterials.”

Presented at the Session of Geomechanics of the Second International Conference on Advances in Structural Engineering and Mechanics, Busan, Korea, August 2002. - Voyiadjis, G. Z., and Dorgan, R. J., “Gradient Based Finite Element for Damage.”

Keynote lecture at the Symposium on Computational Multiscale Nanomechanics: Bridging the Length Scales, the WCCM V Fifth World Congress on Computational Mechanics, Vienna, Austria, July 2002. - Voyiadjis, G. Z., and Dorgan, R. J., “Multiple-Scale Damage Mechanisms with Inelastic Behavior in Composite Materials.”

Invited speaker at the Symposium on Achievements in Mechanics in Honor of Professor Z. Mroz, 14th US National Congress of Applied Mechanics, Virginia Tech, Virginia, June 2002. - Voyiadjis, G. Z., Abu Al-Rub, R.K., and Palazotto, A.N., “A Consistent Thermodynamic and Coupled Impact Damage-Viscoplastic Model for MMCs.”

Invited speaker at the Symposium on Damage in Composites in Honor of Professor C. T. Herakovich, 14th US National Congress of Applied Mechanics, Virginia Tech, Virginia, June 2002. - Voyiadjis, G. Z., Venson A. R., and Abu Al-Rub, R. K., “Damage Quantification in Metal Matrix Composites.”

Invited speaker at the Symposium on Recent Advances in Experimental Mechanics in Honor of Professor I. M. Daniel, 14th US National Congress of Applied Mechanics, Virginia Tech, Blacksburg, June 2002. - Voyiadjis, G. Z., and Dorgan, R.J., “Nonlocal Plasticity Incorporating Gradient of Kinematic Hardening.”

Invited speaker at the Symposium on “Multi-Scale Modeling of Materials,” of the EM2002 15th ASCE Engineering Mechanics Division Conference, Columbia University in the City of New York, New York, June 2002. - Song, C., and Voyiadjis, G. Z., “Micro-Mechanics in Soils and Shear Bands.”

Invited speaker at the Symposium on “Multi-Scale Modeling of Materials,” of the EM2002 15th ASCE Engineering Mechanics Division Conference, Columbia University in the City of New York, New York, June 2002. - Voyiadjis, G. Z., and Dorgan, R.J., “Gradient Formulation in Coupled Damage-Plasticity.”

Invited speaker at the “Symposium on Multiscale Modeling,” of the Plasticity 2002 International Conference, Aruba, January 2002. - Voyiadjis, G. Z., Abu Al-Rub, R.K., and Araujo, M., “Thermodynamic Consistent Model for the Evolutionary Equation of the Backstress in Cyclic Plasticity.”

Invited speaker at the “Symposium on Multiscale Modeling,” of the Plasticity 2002 International Conference, Aruba, January 2002. - Song, C.R. and Voyiadjis, G. Z., “Pore Pressure from Penetrometer and Hydraulic Conductivity.”

Presented at the 15th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Istanbul, Turkey, September 2001. - Voyiadjis, G. Z., and Dorgan, R.J., “Multi-Scale Gradient Damage-Plasticity.”

Invited speaker at the “Symposium on Multi-Scale Modeling of Materials,” of the 2001 ASME/ASCE/SES Mechanics and Materials Summer Conference, San Diego, California, June 2001. - Lidorikis, E., Bachlechner, M.E., Voyiadjis, G. Z., and Kalia, R. K., “Multiscale Atomistics-Continuum Simulations: Stress Distributions in Si/Si3N4 Nanopixels.”

Invited speaker at the “Symposium on Multi-Scale Modeling of Materials,” of the 2001 ASME/ASCE/SES Mechanics and Materials Summer Conference, San Diego, California, June 2001. - Voyiadjis, G. Z. “Rate and Temperature Dependent Anisotropic Damage in Metal Matrix Composites.”

Invited speaker in the Seminar Series of the Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, Arizona, March 2001. - Voyiadjis, G. Z. “Multi-Scale Characterization of Material Behavior Using the Gradient Formulation.”

Invited speaker in the Seminar Series of the Department of Civil and Environmental Engineering, Tulane University, New Orleans, Louisiana, March 2001. - Voyiadjis, G. Z., Dorgan, R. J., and Dorroh, J. R., “Gradient Formulation in Coupled Damage-Plasticity.”

Invited lecture presented at the Mardi Gras Year 2001 Conference on Multiscale Simulation, Theoretical, and Experimental Approaches to Deformation, Friction, Fatigue and Fracture, Baton Rouge, Louisiana, February 2001. - Voyiadjis, G. Z., Dorgan, R. J., and Dorroh, J. R., “Bridging Length Scales between Macroscopic Response and Microstructure through Gradient Anisotropic Damage for MMCs.”

Presented at the 2001 Energy Sources Technology Conference & Exhibition, Composite Materials Design and Analysis Session, Houston, Texas, February 2001. - Voyiadjis, G. Z., and Song, C. R., “Rate Dependent Gradient Theory for Shear Band Analysis in Clayey Soils.”

Presented at the 2001 Energy Sources Technology Conference & Exhibition, Composite Materials Design and Analysis Session, Houston, Texas, February 2001. - Deliktas, B., and Voyiadjis, G. Z., “Comparison of Concentration Tensors between the Method of Cells and the Mori-Tanaka in Predicting Damaged Elasto-Plastic Behavior of Laminated Composite Materials.”

Presented at the 2001 Energy Sources Technology Conference & Exhibition, Composite Materials Design and Analysis Session, Houston, Texas, February 2001. - Voyiadjis, G. Z., and Song, C. R., “Rate Dependent Gradient Theory for Shear Band Analysis.”

Presented at the Tenth International Conference on Computer Methods and Advances in Geomechanics, Tucson, Arizona, January 2001. - Song, C. R., and Voyiadjis, G. Z., “Plastic Spin and Gradient Theory for Modeling Large Strain Behavior of Soils.”

Presented at the Tenth International Conference on Computer Methods and Advances in Geomechanics, Tucson, Arizona, January 2001. - Voyiadjis, G. Z., “Rate and Temperature Dependent Anisotropic Damage in Metal Matrix Composites.”

Invited speaker in the Seminar Series of the Department of Mechanical Engineering and Material Science, The Rice University, Houston, Texas, January 2001. - Lidorikis, E., Bachlechner, M. E., Kalia, R. K., Nakano, A., Vashishta, P., Voyiadjis, G. Z., and Madhukar, A., “Coupling-of-length-scales Approach for Multiscale Nanodevice Simulations.”

Presented at the Materials Research Society (MRS) fall meeting, Boston, Massachusetts, November 2000. - Voyiadjis, G. Z., and Deliktas, B., “Multi-Scale Analysis of Multiple Damage Mechanisms Coupled with Inelastic Behavior of Composite Materials.”

Invited lecture at the EUROMECH 417 colloquium on Numerical Modeling in Damage Mechanics, University of Technology of Troyes, Troyes, France, October 2000. - Voyiadjis, G. Z., “Discussion on Computational Damage Mechanics and Applications.”

Invited in the Workshop on Recent Advances in Continuum Damage Mechanics for Composites, Laboratoire de Mecanique et Technologie ENS de Cachan / CNRS / University Paris 6, Paris, France, September 2000. - Voyiadjis, G. Z., and Deliktas, B., “Rate and Temperature Dependent Anisotropic Damage in Metal Matrix Composites from a Micro to a Macro System.”

Keynote lecture at the 33rd Solid Mechanics Conference, Zakopane, Poland, September 2000. - Voyiadjis, G. Z., Basuroychowdhury, I. N., and Araujo, M. C., “A Multiaxial Cyclic Plasticity Model for Non-proportional Loading Cases.”

Invited presentation at the Symposium on “Deformation of New Engineering Materials under Multi-axial Loading Conditions: Experiment, Modeling and Simulations,” of the International Symposium on Plasticity and its Current Applications, Whistler, British Columbia, Canada, July 2000. - Voyiadjis, G. Z., and Song, C. R., “Microstructural Characterization in Modeling Strain Behavior of Soils.”

Invited presentation at the Symposium on “Plasticity and Viscoplasticity at Large Deformations,” of the International Symposium on Plasticity and its Current Applications, Whistler, British Columbia, Canada, July 2000. - Voyiadjis, G. Z., and Deliktas, B., “Multi-scale Analysis of Multiple Damage Mechanisms Coupled with Inelastic Behavior of Composite Materials.”

Invited lecture presented at the Symposium on “Bridging of Multiple Scales for the Analysis of Damage/Inelastic Mechanisms,” of the International Symposium on Plasticity and its Current Applications, Whistler, British Columbia, Canada, July 2000. - Voyiadjis, G. Z., “Multi-scale Analysis of Multiple Damage Mechanisms in Composite Materials.”

Invited lecture presented at the First International Conference on Multiscale Materials Phenomena in Harsh Environments, Limassol, Cyprus, June 2000. - Song, C. R., and Voyiadjis, G. Z., “Effects of Incorporating Plastic Spin to Flow Characteristics in Clayey Soils.”

Invited lecture presented at the Symposium on “Multi Scale Modeling of Damage and Material Characterization with Microstructure,” of the 14th Engineering Mechanics Conference (EM2000), ASCE/EMD, The University of Texas at Austin, Austin, Texas, May 2000. - Voyiadjis, G. Z., and Deliktas, B., “Multi-Scale Analysis of Multiple Damage Mechanisms Coupled with Inelastic Behavior of Composite Materials.”

Invited lecture presented at the Symposium on “Multi Scale Modeling of Damage and Material Characterization with Microstructure,” of the 14th Engineering Mechanics Conference (EM2000), ASCE/EMD, The University of Texas at Austin, Austin, Texas, May 2000. - Deliktas, B., and Voyiadjis, G. Z., “Comparison of the Method of Cells with the Mori-Tanaka in Predicting Damaged Elasto-Plastic Behavior of Laminated Composite Materials.”

Invited lecture presented at the Symposium on “Multi Scale Modeling of Damage and Material Characterization with Microstructure,” of the 14th Engineering Mechanics Conference (EM2000), ASCE/EMD, The University of Texas at Austin, Austin, Texas, May 2000. - Voyiadjis, G. Z., and Deliktas, B., “Multi-Scale Analysis of Multiple Damage Mechanisms Coupled with Inelastic Behavior of Composite Materials.”

Invited lecture presented at the Mardi Gras Year 2000 Conference on “Materials Design: Experimental and Computational Challenges,” Baton Rouge, Louisiana, March 2000. - Voyiadjis, G. Z., and Deliktas, B., “A Physical Interpretation of Continuum Damage Tensor.”

Invited lecture presented in the “Symposium on Strength & Damage Characterizations of Composites,” of the Energy Sources Technology Conference & Exhibition ‘2000 Conference, New Orleans, Louisiana, February 2000. - Voyiadjis, G. Z., and Venson, A. R., “Experimental Procedure for Characterization of Damage.”

Invited lecture presented in the “Symposium on Strength & Damage Characterizations of Composites,” of the Energy Sources Technology Conference & Exhibition ‘2000 Conference, New Orleans, Louisiana, February 2000. - Voyiadjis, G. Z., and Deliktas, B., “An Anisotropic, Rate and Temperature Dependent, Damage Model for Metal Matrix Composites.”

Invited lecture presented in the “Symposium on Mechanics of Composite Materials and Composite Structures,” of the 36th Annual Technical Meeting Society of Engineering Science, The University of Texas at Austin, Austin, Texas, October 1999. - Voyiadjis, G. Z., and Deliktas, B., “Bridging of Length Scales Using Mesoscale Damage Gradient Theory in Metal Matrix Composites.”

Invited lecture presented in the “Symposium on Damage and Failure of Composites,” of the 36th Annual Technical Meeting Society of Engineering Science, The University of Texas at Austin, Austin, Texas, October 1999. - Voyiadjis, G. Z., and Deliktas, B., “Rate and Temperature Dependent Anisotropic Damage in Metal Matrix Composites from a Micro to a Macro System.”

Invited lecture presented in the “Symposium on Progress in Damage Mechanics,” of the Fifth U.S. National Congress on Computational Mechanics, University of Colorado, Boulder, Colorado, August 1999. - Voyiadjis, G. Z., Song, C. R., and Tumay, M. T., “Real Time Continuous Profiling of the Hydraulic Conductivity of Geo-Materials Using the Piezocone Penetration Test.”

Invited lecture presented in the “Symposium on Geotechnical Applications,” of the Fifth U.S. National Congress on Computational Mechanics, University of Colorado, Boulder, Colorado, August 1999. - Voyiadjis, G. Z. and Deliktas, B., “Multi-Scale Analysis of Multiple Damage Mechanisms Coupled with Inelastic Behavior of Functionally Graded Composite Materials.”

Invited lecture presented in the “Symposium on Damage Mechanics,” of the Fourth International Conference on Constitutive Laws for Engineering Materials, Rensselaer Polytechnic Institute, Troy, New York, July 1999. - Voyiadjis, G. Z., “Rate and Temperature Dependent Anisotropic Damage in Metal Matrix Composites.”

Invited speaker in the Seminar Series of the Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania, July 1999. - Voyiadjis, G. Z. and Deliktas, B., “An Isothermal Coupled Viscoplasticity/Damage Model for Composites at Elevated Temperatures.”

Invited lecture presented in the “Symposium on Viscoplasticity Theories in Honor of Professor Piotr Perzyna,” of the 1999 ASME Mechanics & Materials Conference, Blacksburg, Virginia, June 1999. - Song, C. R., and Voyiadjis, G. Z., “New Method for Determining the Permeability of Soils Using the Piezocone Penetration Test.”

Presented in the “Symposium on Microstructural Evaluation of the Mechanical Behavior of Particulate Materials,” of the 13th ASCE Engineering Mechanics Conference, The Johns Hopkins University, Baltimore, Maryland, June 1999. - Voyiadjis, G. Z. and Deliktas, B.,”A Constitutive Model for Rate and Temperature Dependent Anisotropic Damage in MMCs.”

Invited lecture presented in the “Symposium on Damage Mechanics in Materials with Microstructure,” of the 13th ASCE Engineering Mechanics Conference, The Johns Hopkins University, Baltimore, Maryland, June 1999. - Deliktas, B., and Voyiadjis, G. Z., “Computational Aspects in Modeling Rate and Temperature Dependent Anisotropic Damage Models for MMCs.”

Invited lecture presented in the “Symposium on Damage Mechanics in Materials with Microstructure,” of the 13th ASCE Engineering Mechanics Conference, The Johns Hopkins University, Baltimore, Maryland, June 1999. - Deliktas, B., and Voyiadjis, G. Z., “Matrix and Fiber Damage Coupled with the Analysis of MMCs.”

Invited lecture presented in the “Symposium on Composite Materials Design and Analysis,” of the Energy Sources Technology Conference & Exhibition ‘99 Conference, Houston, Texas, February 1999. - Voyiadjis, G. Z., and Park, T., “The Kinematics of Damage for Large Strain Plasticity.”

Invited lecture presented in the “Symposium on Theoretical Mechanics in Plasticity and Damage,” of the PLASTICITY ‘99 Conference: The Seventh International Symposium on Plasticity and Its Current Applications, Cancun, Mexico, January 1999. - Voyiadjis, G. Z., and Deliktas, B., “A Coupled Anisotropic Damage Model for the Inelastic Response of Composite Materials at Elevated Materials.”

Invited lecture presented in the “Symposium on Damage Micromechanics,” of the PLASTICITY ‘99 Conference: The Seventh International Symposium on Plasticity and Its Current Applications, Cancun, Mexico, January 1999. - Voyiadjis, G. Z., “The Kinematics of Damage with Large Strain Plasticity.”

Invited lecture presented as part of the Seminar Series of the Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, Tennessee, December 1998. - Voyiadjis, G. Z., Abu-Farsakh, M. Y., and Tumay, M., T., “Soil Deformations Around the Piezocone Using the Coupled Theory of Mixtures.”

Invited lecture presented in the “Biot Conference on Poromechanics,” Louvain-la-Neuve, Belgium, September 1998. - Voyiadjis, G. Z., and Deliktas, B., “A Rate Dependent Coupled Anisotropic Damage Model for the Inelastic Response of Materials.”

Invited lecture presented in the “Symposium on Damage in Materials and Structures Subjected to High Strain Rate Loading,” of the Thirteenth U.S. National Congress of Applied Mechanics, Gainesville, Florida, June 1998. - Voyiadjis, G. Z., and Basuroychowdhury, I. N., “A Multiaxial Cyclic Plasticity Model for Non-Proportional Loading Cases.”

Invited lecture presented in the “Symposium on Advances in Plasticity: High Strain Rate Problems,” of the Thirteenth U.S. National Congress of Applied Mechanics, Gainesville, Florida, June 1998. - Voyiadjis, G. Z., “The Kinematics of Damage with Large Strain Plasticity.”

Invited lecture presented as part of the Seminar Series of the Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, Maryland, March, 1998. - Thiagarajan G., and Voyiadjis, G. Z., “A Viscoplastic Model for Metal Matrix Composites Subjected to Cyclic Loading.”

Invited lecture presented in the Energy Sources Technology Conference & Exhibition, Composite Materials Design and Analysis Symposium, Houston, Texas, February 1998. - Voyiadjis, G. Z., ” The Kinematics of Damage for Finite-Strain Elasto-Plastic Solids.”

Invited lecture presented as part of the Seminar Series of the Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, Arizona, December, 1997. - Voyiadjis, G. Z., and Thiagarajan G., “Cyclic Viscoplastic Model for MMC’s Using a Dynamic Yield Function with Directional Constraints.”

Invited lecture presented in the “Symposium on Failure Predictions in Dynamic Environments,” of the 1997 ASME, International Mechanical Engineering Congress and Exposition, Dallas, Texas, November 1997. - Voyiadjis, G. Z., and Park, T., “Kinematic Description of Damage for Finite Strain Elasto-Plastic Deformation.”

Invited lecture presented in the Plasticity’97, Sixth International Symposium on Plasticity and Its Current Applications, Juneau, Alaska, July 1997. - Voyiadjis, G. Z., and Park, T., “Kinematics of Large Elastoplastic Damage Deformation.”

Invited lecture presented in the “Symposium on Damage Mechanics in Engineering Materials,” of the NcNu’97, The Joint ASME, ASCE, and SES Summer Meeting, Northwestern University, Evanston, Illinois, June/July 1997. - Voyiadjis, G. Z., and Echle, R., “Fatigue Damage in Metal Matrix Composites.”

Invited lecture presented in the “Symposium on Failure Mechanisms and Mechanisms-Based Modeling in High Temperature Composites,” of the 1996 ASME, International Mechanical Engineering Congress and Exposition, Atlanta, Georgia, November 1996. - Voyiadjis, G. Z.,, and Echle, R., “A Micro-Mechanical Fatigue Damage Model for Uni-Directional Metal Matrix Composites.”

Invited lecture presented in the “High Temperature Fatigue in MMCs Symposium,” of the 33rd Annual Technical Meeting of the Society of Engineering Science, Arizona State University, Tempe, Arizona, October 1996. - Voyiadjis, G. Z., and Park, T., “Quantification of Different Types of Damage in Constituents of MMC Laminates.”

Invited lecture presented at the “Prager Symposium” of the 33rd Annual Technical Meeting of the Society of Engineering Science, Arizona State University, Tempe, Arizona, October 1996. - Voyiadjis, G. Z., and Park, T., “The Kinematics of Damage in Metal Matrix Composites.”

Invited lecture presented at the First Euroconference and U.S. Workshop on Material Instabilities in Deformation and Fracture, Porto Carras, Chalkidiki, Greece, September 1996. - Voyiadjis, G. Z., and Basuroychowdhury, I. N., “Multiaxial Cyclic Plasticity Model.”

Invited lecture presented at the 19th International Congress of Theoretical and Applied Mechanics, Kyoto, Japan, August 1996. - Echle, R., and Voyiadjis, G. Z., “A Micro-Mechanical Fatigue Damage Approach for Metal Matrix Composites.”

Presented at the “Third International Conference on Composites Engineering, ICCE/3, New Orleans, Louisiana, July 1996. - Voyiadjis, G. Z., and Deliktas, B., “Local Damage using the Generalized Cell Method in MMCs.”

Invited lecture presented at the “Third International Conference on Composites Engineering,” ICCE/3, New Orleans, Louisiana, July 1996. - Park, T., and Voyiadjis, G. Z., “Interfacial Damage in Metal Matrix Composites.”

Presented at the “Third International Conference on Composites Engineering,” ICCE/3, New Orleans, Louisiana, July 1996. - Thiagarajan, G., and Voyiadjis, G. Z., “In-Situ Modeling of Titanium Based Matrix in Metal-Matrix Composites Subjected to Cyclic Loading.”

Presented at the “Third International Conference on Composites Engineering,” ICCE/3, New Orleans, Louisiana, July 1996. - Voyiadjis, G. Z., and Deliktas, B., “Damage in Metal Matrix Composites Using the Generalized Cells Method.”

Presented at the 1996 ASME Mechanics and Materials Conference, Baltimore, Maryland, June 1996. - Voyiadjis, G. Z., and Basuroychowdhury, I. N., “Cyclic Plasticity for Metals with Non-Linear Kinematic Hardening.”

Presented at the 1996 ASME Mechanics and Materials Conference, Baltimore, Maryland, June 1996. - Voyiadjis, G. Z., and Abu-Farsakh, M. Y., “Coupled Theory of Mixtures for Clayey Soils.”

Invited lecture presented in the ASME Symposium on “Theoretical and Experimental Methods for Particulate Materials,” at the ASME Mechanics and Materials Conference, Johns Hopkins University, Baltimore, Maryland, June 1996. - Voyiadjis, G. Z., and Echle, R., “Fatigue Model for Damage in Metal Matrix Composites.”

Invited lecture presented in the Symposium on “Application of Continuum Damage Mechanics to Fatigue and Fracture,” at the ASTM Conference, Orlando, Florida, May 1996. - Voyiadjis, G. Z., Abu-Farsakh, M. Y., and Tumay, M. T., “Analytical Study and Verification of a Coupled Theory of Mixtures for Application in Cone Penetration and Tunnel Boring in Soils.”

Invited lecture presented in the Symposium on “Characterization of Geomaterials,” at the 11th ASCE Engineering Mechanics Conference, Miami, Florida, May 1996. - Voyiadjis, G. Z., and Park, T., “Effect of Damage Due to Delamination on the Flexural Stiffness of Laminated Composite Plates.”

Invited lecture presented at the Symposium on “Damage and Interfacial Debonding in Composites,” at the 32nd Annual Technical Meeting of the Society of Engineering Science, New Orleans, Louisiana, October 1995. - Thiagarajan, G., and Voyiadjis, G. Z., “Cyclic Damage with Cyclic Plasticity in Metal Matrix Composites.”

Lecture presented at the 32nd Annual Technical Meeting of the Society of Engineering Science, New Orleans, Louisiana, October 1995. - Voyiadjis, G. Z., and Guelzim, Z., “Incremental Damage Theory for Metal Matrix Composites.”

Invited lecture presented at the “Eringen Medal Symposium: S. Atluri,” at the 32nd Annual Technical Meeting of the Society of Engineering Science, New Orleans, Louisiana, October 1995. - Park, T., and Voyiadjis, G. Z., “Analysis of Interfacial and Local Damage in Metal Matrix Composites using the FE Method.”

Lecture presented at the 32nd Annual Technical Meeting of the Society of Engineering Science, New Orleans, Louisiana, October 1995. - Tumay, M. T., Kurup, P. U., and Voyiadjis, G. Z., “Profiling Overconsolidation Ratio and Lateral Stress Coefficient from Piezocone Penetration Tests.”

Invited lecture presented at the International Symposium on Cone Penetration Testing (CPT ’95), Linkoping, Sweden, October 1995. - Thiagarajan, G., and Voyiadjis, G. Z., “Cyclic Plasticity with Damage in Metal Matrix Composites.”

Lecture presented at the Symposium on “Micromechanics of Fibers or Composites,” at the Second International Conference on Composites Engineering, New Orleans, Louisiana, August 1995. - Voyiadjis, G. Z., and Rainer, E., “Fatigue Damage in Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Fatigue of Composites,” at the Second International Conference on Composites Engineering, New Orleans, Louisiana, August 1995. - Park, T., and Voyiadjis, G. Z., “Stress and Strain Concentration Tensors for Interfacial Damage.”

Lecture presented at the Symposium on “Micromechanics of Fibers or Composites,” at the Second International Conference on Composites Engineering, New Orleans, Louisiana, August 1995. - Venson, A. R., and Voyiadjis, G. Z., “Experimental Determination of Damage in Titanium Aluminide with Silicon Carbide Fibers.”

Lecture presented at the Symposium on “Metal Matrix Composites,” at the Second International Conference on Composites Engineering, New Orleans, Louisiana, August 1995. - Voyiadjis, G. Z., and Thiagarajan, G., “A Cyclic Plasticity Model for Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Recent Advances in Constitutive Laws for Engineering Materials,” at the International Conference on Computational Engineering Science (ICES-95), Mauna Lani, Hawaii, August 1995. - Voyiadjis, G. Z., and Park, T., “Finite Element Analysis of Damage and Elasto-Plastic Behavior of Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Inelastic Deformation, Damage and Life Analysis,” at the International Conference on Computational Engineering Science (ICES-95), Mauna Lani, Hawaii, August 1995. - Voyiadjis, G. Z., and Thiagarajan, G., “A Damage Cyclic Plasticity Model for Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Micromechanics and Constitutive Modelling of Composite Materials,” at the ASME joint Applied Mechanics and Materials Summer Conference AMD-MD ’95, Los Angeles, California, June 1995. - Voyiadjis, G. Z., and Park, T., “Finite Element Analysis of Interfacial and Local Damage in Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Recent Advances in Damage Mechanics,” at the ASME joint Applied Mechanics and Materials Summer Conference AMD-MD ’95, Los Angeles, California, June 1995. - Voyiadjis, G. Z., Park, T., and Venson, A. R., “Finite Element Implementation of the Overall Approach to Damage in Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Damage Mechanics in Engineering Materials,” at the 10th ASCE Engineering Mechanics Conference, Boulder, Colorado, May 1995. - Voyiadjis, G. Z., “Damage in Materials.”

Invited lecture presented at Louisiana State University, Saturday Science at LSU Seminar Series, Baton Rouge, Louisiana, December 1994. - Voyiadjis, G. Z., and Park, T., “Interfacial and Local Damage Analysis of Metal Matrix Composites.”

Invited lecture presented at the Symposium on “Damage Mechanics in Composites,” at the ME ’94, The International Mechanical Engineering Congress and Exposition, Chicago, Illinois, November 1994. - Voyiadjis, G. Z., “Constitutive Modeling of Plasticity with Damage in Metal Matrix Composites.”

Invited lecture presented at the National Science Foundation Workshop on Mechanics and Processing of Advanced Engineering Materials – II, Atlanta, Georgia, October, 1994. - Voyiadjis, G. Z., Venson, A.R., and Kattan, P.I. “Damage Approaches to Unidirectional Elastoplastic Laminas Under Uniaxial Tension.”

Invited lecture presented at the 31st Annual Technical Meeting of the Society of Engineering Science, College Station, Texas, October 1994. - Voyiadjis, G. Z., and Kattan, P. I., “Damage and Plastic Deformation in a Uniaxially Loaded Thin Composite Ply.”

Invited lecture presented at the First International Conference on Composites Engineering, New Orleans, Louisiana, August 1994. - Voyiadjis, G. Z., and Kattan, P. I., “Micromechanical Modeling of Damage and Plasticity in Continuously Reinforced Metal Matrix Composites.”

Invited lecture presented at the 12th U.S. National Congress of Applied Mechanics, Seattle, Washington, June 1994. - Voyiadjis, G. Z., and Sivakumar, S. M., “Non-Proportional Ratchetting in Cyclic Plasticity.”

Invited lecture presented at the 12th U.S. National Congress of Applied Mechanics, Seattle, Washington, June 1994. - Kurup, P. Y., Voyiadjis, G. Z., and Tumay, M. T., “Excess Pore Pressure Dissipation after Piezocone Penetration.”

Presented at the Eighth International Conference of the International Association for Computer Methods and Advances in Geomechanics, Morgantown, West Virginia, May 1994. - Voyiadjis, G. Z., “Characterization of Damage in Metal Matrix Composites.”

Invited lecture presented in the Department of Aerospace Engineering, Mechanics and Engineering Science, University of Florida, Gainesville, Florida, March 1994. - Voyiadjis, G. Z., Thiagarajan, G., and Petrakis, E., “An Anisotropic Distortional Yield Model with Application to Granular Media.”

Invited lecture presented at the Institute of Mechanics and Materials Workshop on “Compaction and Sintering of Powders,” Tulane University, New Orleans, Louisiana, December 1993. - Voyiadjis, G. Z., Thiagarajan, G., and Petrakis, E., “Parametric Representation of a Distortional Yield Model for Granular Media.”

Presented at the ASME 1993 Winter Annual Meeting Symposium on Parameter Estimation for Modern Constitutive Equations, New Orleans, Louisiana, November 1993. - Voyiadjis, G. Z., “Damage Accumulation in Metal Matrix Composites.”

Invited lecture presented at the National Science Foundation Workshop on “Processing and Constitutive Modelling of Advanced Engineered Materials – I,” Washington State University, Pullman, Washington, October 1993. - Voyiadjis, G. Z., “Damage in Metal Matrix Composites.”

Invited lecture presented in the Department of Mechanical Engineering, University of Delaware, Newark, Delaware, October 1993. - Voyiadjis, G. Z., Venson, A. R., and Kattan, P. I., “Damage Mechanism in Metal Matrix Composite Plates.”

Invited lecture presented at the Army Research Office Workshop on Dynamic Response of Composite Structures, New Orleans, Louisiana, August 1993. - Voyiadjis, G. Z., Kattan, P. I., and Venson, A. R., “Evaluation of a Damage Tensor for Metal Matrix Composites.”

Presented at the MECAMAT ’93, International Seminar on Micromechanics of Materials, Fontainebleau, France, July 1993. - Voyiadjis, G. Z., Thiagarajan, G., and Petrakis, E., “Micromechanical Anisotropic Distortional Yield Model for Granular Media.”

Invited lecture presented at the Fourth International Symposium on Plasticity and Its Current Applications, Baltimore, Maryland, July 1993. - Voyiadjis, G. Z., and Huang, W., “Microstructural Characterization of Continuum Plasticity Theory with Finite Strains.”

Invited lecture presented at the Fourth International Symposium on Plasticity and Its Current Applications, Baltimore, Maryland, July 1993. - Voyiadjis, G. Z., and Sivakumar, S. M., “Cyclic Plasticity and Ratchetting.”

Presented at the MEET’N’93, First SES-ASME-ASCE Joint Meeting on Mechanics, Bieniek Symposium on Mechanics of Materials and Structures, Charlottesville, VA, June 1993. - Voyiadjis, G. Z., and Kattan, P. I., “Damage and Inelastic Deformation of SiC/Ti-Aluminide Composites.”

Invited lecture presented at the MEET’N’93, First SES-ASME-ASCE Joint Meeting on Mechanics, Symposium on Inelastic Micromechanics in SiC/Ti Composites, Charlottesville, VA, June 1993. - Voyiadjis, G. Z., “A Kinematic Hardening Rule for Cyclic Plasticity with Ratchetting Effects for No proportional Loading Cases.”

Invited lecture presented in the Department of Civil Engineering at the University of Texas at Austin as part of the Structures Seminars Series, April 1993. - Voyiadjis, G. Z., and Shi, G., “An Efficient Strain Element for the Elasto-Plastic Analysis of Shear Deformable Plates.”

Presented at the ICES-92, International Conference on Computational Engineering Science, Hong Kong, December 1992. - Shi, G., and Voyiadjis, G. Z., “A New Damage Strain Energy Release Rate for Plastic Damage Analysis.”

Presented at the ICES-92, International Conference on Computational Engineering Science, Hong Kong, December 1992. - Voyiadjis, G. Z., and Abu-Lebdeh, T., “A Damage-Plasticity Model for Concrete Under Cyclic Multiaxial Loading.”

Invited lecture, presented at the 29th Annual Technical Meeting of the Society of Engineering Science, San Diego, La Jolla, California, September 1992. - Voyiadjis, G. Z., and Huang, W., “Continuum Plasticity Theory with Microstructural Characterization.”

Presented at the 13th Riso International Symposium on Materials Science: Modeling of Plastic Deformation and its Engineering Applications, Roskilde, Denmark, September 1992. - Voyiadjis, G. Z., and Sivakumar, S. M., “A Two Surface Cyclic Plasticity Model with Memory Effects.”

Presented at the “MECAMAT 92,” International Seminar on Multiaxial Plasticity, Cachan, France, September 1992. - Voyiadjis, G. Z., and Kattan, P. I., “Micromechanical Characterization of Damage-Plasticity in Metal Matrix Composites.”

Invited lecture, presented at the Ninth Engineering Mechanics Conference, ASCE, College Station, Texas, May 1992. - Voyiadjis, G. Z., Thiagarajan, G., and Petrakis, E., “Anisotropic Distortional Yield Model for Granular Media.”

Invited lecture, presented at the 1992 ASME Summer Mechanics and Materials Conference, Symposium on Microstructural Characterization of Constitutive Equations in Metals and Soils, Tempe, Arizona, April 1992. - Voyiadjis, G. Z., and Kattan, P. I., “Damage-Plasticity Analysis in Metal Matrix Composites.”

Invited lecture, presented at the 1992 ASME Summer Mechanics and Materials Conference, Symposium on Recent Advances in Damage Mechanics and Plasticity, Tempe, Arizona, April 1992. - Voyiadjis, G. Z., and Kattan, P. I., “A Continuum-Micromechanics Damage Model for Metal Matrix Composites.”

Invited lecture presented at the Composite Materials Symposium of the ASME, Energy-Sources Technology Conference and Exhibition, Houston, Texas, January 1992. - Voyiadjis, G. Z., and Kattan, P. I., “Ductile Fracture of Fiber-Reinforced Metal Matrix Laminates Using an Anisotropic Coupled Model of Damage and Finite Plasticity.”

Presented at the “Symposia on Enhancing Analysis Techniques for Composite Materials” for 1991 Winter Annual Meeting of ASME, Atlanta, Georgia, December 1991. - Voyiadjis, G. Z., and Sivakumar, S. M., “A Unified Theory for Cyclic Plasticity.”

Presented at the Conference on “High Temperature Constitutive Modeling: Theory and Application” at the 1991 ASME Winter Annual Meeting, Atlanta, Georgia, December 1991. - Voyiadjis, G. Z., “Anisotropic Damage Mechanics Modeling in Metal Matrix Composites.”

Invited lecture presented at the Air Force Office of Scientific Research “Contractors Meeting on Mechanics of Materials,” Dayton, Ohio, October 1991. - Voyiadjis, G. Z., and Kattan, P. I., “Finite Strain Plasticity and Damage in Constitutive Modeling of Metals with Spin Tensors.”

Invited lecture presented at the “Symposium on Material Instabilities” held during the 22nd Midwestern Mechanics Conference, Rolla, Missouri, October 1991. - Voyiadjis, G. Z., and Sivakumar, S. M., “Constitutive Model for Cyclic Plasticity with Ratchetting Effects.”

Invited lecture presented at the Plasticity 91, the Third International Symposium on Plasticity and its Current Applications, Grenoble, France, August 1991. - Voyiadjis, G. Z., and Kattan, P. I., “Analysis of Damage and Plasticity for Large Deformation with Application in Simple Shear.”

Presented at the Plasticity 91, the Third International Symposium on Plasticity and its Current Applications, Grenoble, France, August 1991. - Voyiadjis, G. Z., and Sivakumar, S. M., “Finite Strain and Rate-Dependent Cyclic Plasticity Model for Metals.”

Invited lecture presented at the MECAMAT ’91 International Seminar on Large Plastic Deformations, Fundamental Aspects and Applications to Metal Forming, Fontainebleau, France, August 1991. - Voyiadjis, G. Z., and Kattan, P. I., “Coupling of Damage and Viscoplasticity for Large Deformation of Metals.”

Invited lecture presented at the MECAMAT ’91 International Seminar on Large Plastic Deformations, Fundamental Aspects and Applications to Metal Forming, Fontainebleau, France, August 1991. - Voyiadjis, G. Z., Tumay, M. T., and Kurup, P., “Miniature Piezocone Penetration Tests on Soft Soils in a Calibration Chamber System.”

Invited lecture presented at the First International Symposium on Calibration Chamber Testing at Clarkson University, Potsdam, New York, June 1991. - Voyiadjis, G. Z., “A Continuum Damage and Plasticity Model for Large Deformation of Solids.”

Invited lecture presented in the Department of Mechanical Engineering, Tulane University, New Orleans, Louisiana, April 1991. - Voyiadjis, G. Z., “A Finite Element, Non-layered Plastic Node Model for the Plastic Analysis of Plates and Shells.”

Invited lecture presented in the Structural Mechanics Department of NASA, Marshall Space Flight Center, Huntsville, Alabama, March 1991. - Voyiadjis, G. Z., and Kattan, P. I., “A New Kinematic Hardening Law Based on Bounding Surface Plasticity.”

Presented at the Third International Conference on Constitutive Laws for Engineering Materials: Theory and Applications, Tucson, Arizona, January 1991. - Voyiadjis, G. Z., and Kattan, P. I., “A Finite Simple Shear Using a Coupled Damage and Plasticity Model.”

Presented at the Third International Conference on Constitutive Laws for Engineering Materials: Theory and Applications, Tucson, Arizona, January 1991. - Shi, G., and Voyiadjis, G. Z., “Large Deformation Analysis of Plates: A Strain-Based Explicit Derivation of Tangent Stiffness Matrix.”

Presented at the FEMCAD and OPTIMIZATION Conference sponsored by the International Institute for Industrial Technology Transfer, Los Angeles, California, November 1990. - Voyiadjis, G. Z., and Shi, G., “A New Plastic Node Model for the Plastic Analysis of Plates and Shells.”

Presented at the FEMCAD and OPTIMIZATION Conference sponsored by the International Institute for Industrial Technology Transfer, Los Angeles, California, November 1990. - Foroozesh, M., and Voyiadjis, G. Z., “A Total Lagrangian Finite Element Analysis for Metal Forming with Application to Metal Extrusion.”

Presented at the 27th Annual Meeting of the Society of Engineering Science, Santa Fe, New Mexico, October 1990. - Voyiadjis, G. Z., and Kattan, P. I., “On the Coupling of Damage and Finite Plastic Deformation.”

Presented at the “International Conference on Mechanics, Physics and Structure of Materials,” A Celebration of Aristotle’s 23 Centuries, Salonica, Greece, August 1990. - Voyiadjis, G. Z., and Kattan, P. I., “A Damage-Plasticity Model for Ductile Fracture with Finite Strain.”

Presented at the Eleventh U.S. National Congress of Applied Mechanics, Tucson, Arizona, May 1990. - Mansour, M. H., and Voyiadjis, G. Z., “Analysis of Circular Beams.”

Presented at the 1990 Canadian Society of Civil Engineers (CSCE) Annual Conference, Hamilton, Ontario, Canada, May 1990. - Voyiadjis, G. Z., “An Anisotropic Finite Plasticity Model for Continuum Damage Mechanics.”

Invited lecture presented in the Department of Metallurgy Mechanics and Materials Science, Michigan State University, East Lansing, Michigan, April 1990. - Voyiadjis, G. Z., and Panera, P. D., “A Laminated Composite Plate Theory with Rotary Inertia, Transverse, Shear, and Normal Strain Effects.”

Presented at the Composite Materials Symposium of the ASME, Energy-Sources Technology Conference and Exhibition, New Orleans, Louisiana, January 1990. - Voyiadjis, G. Z., and Foroozesh, M., “Lagrangian Formulation for Metal Forming with Large Elasto-Plastic Deformations.”

Presented at the Plasticity ’89, The Second International Symposium on Plasticity and its Current Applications, Mie University, Tsu, Japan, August 1989. - Voyiadjis, G. Z., and Kattan, P. I., “Stress Rates for Kinematic Hardening Plasticity with Finite Strains.”

Invited lecture presented at the Plasticity ’89, The Second International Symposium on Plasticity and its Current Applications, Mie University, Tsu, Japan, August 1989. - Voyiadjis, G. Z., “Application of Contact Problems in Civil Engineering.”

Invited lecture presented in the Department of Civil Engineering, The Johns Hopkins University, Baltimore, Maryland, June 1989. - Voyiadjis, G. Z., and Foroozesh, M., “A Convex Distortional Yield Surface for Non-Proportional Loadings.”

Presented at the Twelfth Canadian Congress of Applied Mechanics, Ottawa, Ontario, Canada, May 1989. - Voyiadjis, G. Z., and Kattan, P. I., “Eulerian Stress Rates in Finite Strain Plasticity.”

Presented at the Twelfth Canadian Congress of Applied Mechanics, Ottawa, Ontario, Canada, May 1989. - Voyiadjis, G. Z., “Elasto-Plastic Solution of Contact Problems with Large Deformations.”

Invited lecture presented in the Department of Civil Engineering, University of Minnesota, Minneapolis, Minnesota, March 1989. - Voyiadjis, G. Z., and Foroozesh, M., “Cyclic Stress and Strain Behavior of Metals in Plasticity.”

Presented at the Applied Mechanics and Engineering Sciences Conference, University of California, Berkeley, California, June 1988. - Voyiadjis, G. Z., and Mohammad, L. N., “Theory vs. Experiment for Finite Strain Visco-Plastic Constitutive Model.”

Presented at the Symposium of Constitutive Equations and Life Prediction Models for High Temperature Applications, Joint Meeting of the ASME and Society of Engineering Science, University of California, Berkeley, California, June 1988. - Voyiadjis, G. Z., and Mohammad, L. N., “Finite Element Analysis for Visco-Plastic Lagrangian Constitutive Models.”

Presented at the International Conference on Computational Engineering Science, Atlanta, Georgia, April 1988. - Voyiadjis, G. Z., “Damage Effects in Finite Strain Plasticity.”

Presented at the ASCE, Engineering Mechanics Division, 6th Specialty Conference, Buffalo, New York, May 1987. - Voyiadjis, G. Z., “Large Visco-Plastic Deformations of Work-Hardening Alloys.”

Presented at the ASCE, Engineering Mechanics Division, 6th Specialty Conference, Buffalo, New York, May 1987. - Voyiadjis, G. Z., and Mohammad, L. N., “Constitutive Equations for Rate Sensitive Materials Subjected to Finite Strains.”

Presented at the Second International Conference on Constitutive Laws for Engineering Materials, Tucson, Arizona, January 1987. - Kiousis, P. D., Voyiadjis, G. Z., and Tumay, M. T., “Large Strain Elasto-Plastic Analysis of the Cone Penetration Test.”

Presented at the First World Congress on Computational Mechanics, Austin, Texas, September 1986. - Voyiadjis, G. Z., and Mohammad, L. N., “Experimental Determination of the Material Parameters for Finite Strain, Rate-Dependent Plasticity Model.”

Invited lecture presented at the Tenth U.S. National Congress of Applied Mechanics, Austin, Texas, June 1986. - Voyiadjis, G. Z., “Contact Problems with Finite Strains.”

Invited lecture presented as part of the Seminar Series on “Finite Element Case Studies in Civil Engineering,” University of Rhode Island, Kingston, Rhode Island, November 1985. - Voyiadjis, G. Z., and Kiousis, P. D., “Lagrangian Formulation of the Finite-Strain Plasticity for a Kinematic Hardening Model.”

Presented at the 19th Midwestern Mechanics Conference, Columbus, Ohio, September 1985. - Voyiadjis, G. Z., and Poe, A. A., “A Finite Element Method for Contact Problems with Finite Deformations and Mixed Boundary Conditions.”

Invited lecture presented at the 2nd Joint ASCE/ASME Mechanics Conference, Albuquerque, New Mexico, June 1985. - Voyiadjis, G. Z., Kiousis, P.D., and Tumay, M.T., “A Lagrangean Formulation Theory for Some Large Deformation Problems in Geomechanics.”

Presented at the XVIth International Congress of Theoretical and Applied Mechanics (IUTAM), Lyngby, Denmark, August 1984. - Voyiadjis, G. Z., and Baluch, M.H., “Bending of Thick, Rectangular, Composite Plates.”

Presented at the ASCE, Fifth Engineering Mechanics Specialty Conference, Laramie, Wyoming, August 1984. - Ovunc, B.A., and Voyiadjis, G. Z., “Application of Complex Variable Theory to the Free Vibration of Plates.”

Presented at the 5th International Conference on Boundary Elements, Hiroshima, Japan, November 1983. - Voyiadjis, G. Z., and Navaee, S., “Contact Stresses in Linear Work-Hardening Materials.”

Presented at the Ninth Canadian Congress of Applied Mechanics, Saskatoon, Saskatchewan, Canada, June 1983. - Voyiadjis, G. Z., and Sarkani, S., “A Large-Deflection Technical Theory of Bending for Isotropic Plates.”

Presented at the Ninth U.S. National Congress of Applied Mechanics, Ithaca, New York, June 1982. - Voyiadjis, G. Z., and Baluch, M.H., “Refinements in the Bending of Plates with one Plane of Elastic Symmetry.”

Presented at the International Symposium on the Mechanical Behavior of Structured Media, Ottawa, Canada, May 1981. - Baluch, M.H., and Voyiadjis, G. Z., “A Refined Theory for the Bending of Plates.”

Invited lecture presented at the XVth International Congress of Theoretical and Applied Mechanics (ICTAM), Toronto, Canada, August 1980. - Voyiadjis, G. Z., “Large Elasto-Plastic Deformations of Solids.”

Invited lecture presented at the XIVth International Congress of Theoretical and Applied Mechanics (ICTAM), Delft, the Netherlands, September 1976. - Voyiadjis, G. Z., “Finite Strain Elasto-Plastic Deformation of Structures.”

Invited lecture presented in the Department of Theoretical and Applied Mechanics, Cornell University, Ithaca, New York, April 1975.