- IUTAM Symposium SYFSO12 on Integrated Computational Structure-Material Modelling of Deformation and Failure under Extreme Conditions, Baltimore, MD, June 2016.
- ARO sponsored workshop on Challenges in Integrated Computational Structure-Material Modeling of High Strain-Rate Deformation and Failure in Heterogeneous Materials, Johns Hopkins University, Baltimore, MD, September 2013, Workshop Chair and Organizer.
- 22nd International Workshop on Computational Mechanics of Materials (IWCMM-XXII), Workshop Chair and Organizer.
- AFOSR sponsored workshop on Multiscale, Multiphysics Analysis & Design for Multifunctional Applications (MMADMA), Westin Hotel, Arlington, VA, May 2011, Workshop Chair and Organizer.
- NSF sponsored workshop on Challenges in Computational Multiscale Materials Modeling (CCMMM), Westin Hotel, Arlington, VA, May 2011, Workshop Chair and Organizer.
- 10th US National Congress of Computational Mechanics, Columbus, Ohio, July 2009, Conference Chair and Organizer.
- Microstructure Simulation and Mesh Generation for FE Analysis, Ohio State University, December 6-7, 2007, Workshop Organizer (with A.D. Rollet and A. Geltmacher).
- NUMIFORM 2004: Numerical Methods in Industrial Forming Processes, The Ohio State University, June 2004, Conference Chair and Organizer.
- ARO Workshop on Analysis and Design of New Engineered Materials and Systems with Applications, The Ohio State University, February 5-6, 2002, Workshop Organizer.
- The Integration of Material, Process and Product Design, Seven Springs, Mountain Resort, PA, October 19-20, 1998, Conference Co-Organizer (with N. Zabaras, L. Lalli, R. Becker).
- EMI 2016 Conference & Probabilistic Mechanics & Reliability 2016 Conference, Vanderbilt University, Nashville, TN, May 22-25, 2016, International Scientific Committee.
- Gordon Research Conference on Multifunctional Materials & Structures: The Science of Autonomic, Adaptive and Self-Sustaining Systems, Ventura, CA, January 31-February 5, 2016, Advisory Committee.
- PANACM 2015: 1st. Pan-American Congress on Computational Mechanics, Buenos Aires, Argentina, April 27-29, 2015, International Scientific Committee.
- UNCECOMP 2015: 1st. International Conference on Uncertainty Quantification in Computational Sciences and Engineering, Crete Island, Greece, 25-27 May 2015, International Scientific Committee.
- 5th International Congress on Computational Mechanics and Simulation (ICCMS 2014), CSIR-Structural Engineering Research Centre (CSIR-SERC), Chennai, India, December 10-13, 2014, International Scientific Advisory Committee.
- 24th International Workshop on Computational Mechanics of Materials (IWCMM 24), IMDEA Materials Institute, Getafe, Madrid, October 1-3, 2014, International Organizing Committee.
- 7th International Conference on Multiscale Materials Modeling (MMM2014), Berkeley, CA, October 6-10, 2014, International Advisory Committee.
- 2nd Mach Conference, Annapolis, MD, April 9-11, 2014, Scientific Committee.
- 23rd International Workshop on Computational Mechanics of Materials (IWCMM 23), National University of Singapore, Singapore, October 2-5 2013, International Organizing Committee.
- 2013 Engineering Mechanics Institute Conference of American Society of Civil Engineers (EMI 2013), Northwestern University, Evanston, IL, August 4-7, 2013, Scientific Committee.
- 12th U.S. National Congress on Computational Mechanics (USNCCM12), Raleigh, North Carolina, July 22-25, 2013, USACM Executive Council and Steering Committee.
- 2013 Engineering Mechanics Institute Conference of American Society of Civil Engineers (EMI 2013), Northwestern University, Evanston, IL, August 4-7, 2013, Scientific Committee.
- 11th International Conference on Numerical Methods in Industrial Forming Processes, NUMIFORM 2013,Institute of Metal Research, Shenyang, China, July 6-10, 2013, Steering Committee.
- 4th International Congress on Computational Mechanics and Simulation (ICCMS 2012),Indian Institute of Technology Hyderabad, India, December 10-12, 2012, International Scientific Committee.
- 6th International Conference on Multiscale Materials Modeling, Singapore, October 2012, International Advisory Board and Steering Committee.
- 5th International Conference on Multiscale Materials Modeling, Freiburg/Germany, October 2010, International Advisory Board.
- 9th US National Congress of Computational Mechanics, San Francisco, CA, July 2007, Technical Committee member.
- ICTACEM 2004: Third International Congress on Theoretical, Applied, Computational and Experimental Mechanics, Indian Institute of Technology, Kharagpur, December 2004, Technical Committee Co-Chair.
- International Congress on Computational Mechanics and Simulation, Indian Institute of Technology, Kanpur, December 2004, Member of International Advisory Committee.
- Mesoscale Mechanics of Heterogeneous Materials, University of Alborg, Denmark, August 2002, Member of the Scientific Committee.
- ICES’02 International Conference on Computational Engineering & Sciences, Reno, Nevada, July-August 2002, Member of the Scientific Program Committee.
- USNCCM VI Sixth U.S. National Congress on Computational Mechanics, Dearborn, Michigan, August 2001, Member of the Scientific Committee.
- ICES’01 International Conference on Computational Engineering & Sciences, Puerto Vallarta, Mexico, August 2001, Member of the Scientific Program Committee .
- 2nd International Conference on Theoretical, Computational and Experimental Mechanics“, Indian Institute of Technology, Kharagpur, December 2001, Member of the International Advisory Committee.
- 5th International Conference on the Technology of Plasticity, Columbus OH, October 1996, Member of the Organizing Committee.
- Hierarchical and Multiscale Methods for Simulation Based Design of Materials, EMI 2017: Engineering Mechanics Institute Conference, San Diego, CA, June 4-7, 2017, (with A. Masud).
- Fundamental Methods for Integrating Microstructure-Property-Design Relationships into the ICME Paradigm- Microstructure Characterization and Representation, TMS 2015 144th Annual Meeting & Exhibition, Orlando, FL, March 15-19, 2015 (with C. Woodward).
- High-Performance Aerospace Alloys Design Uisng ICME Approach, TMS 2015 144th Annual Meeting & Exhibition, Orlando, FL, March 15-19, 2015 (with A. Pandey and D. Li).
- Integrated Computational Materials Engineering-ICME, 11th. World Congress on Computational Mechanics (WCCM2014), July 2014, (with G. Laschet, J.Llorca, E. A. Holm and M. Chiumenti).
- Homogenization and Coarse-Graining Methods for Heterogeneous Solids, US National Congress on Theoretical and Applied Mechanics (USNCTAM), June 2014 (with D. M. Kochmann).
- Microstructural Effects in Plasticity, Plasticity ’10, St. Kitts Island, January 2010, (with Elizabeth Holm).
- Modeling Issues and Computational Methodologies of Virtual Polycrystals, 10th US National Congress of Computational Mechanics, Columbus, Ohio, July 2009, (with P. R. Dawson and P. Young).
- Nonlocal Methods and Length Scale Effects,ASME International Mechanical Engineering Congress and Exposition, Boston, Ma, November 2008, (with F. Bobaru).
- Processing and Engineering Applications of Novel Materials,ASME International Mechanical Engineering Congress and Exposition, Seattle, Wa, November 2007, (Track Co-Chair: with E. Sancaktar, D. Siginer, J. Liburdy, R. Koganti).
- Spatial and/or Temporal Multi-scale Modeling of Materials, 9th US National Congress of Computational Mechanics, San Francisco, CA, July 2007.
- Multi-Scale Simulations and Experiments in Materials Processes,ASME International Mechanical Engineering Congress and Exposition, Chicago, ILL, November 2006, (co-organizer: M. Li, A. Maniatty).
- Advances and Applications of Multiscale Modeling and Analysis Methods, 7th World Congress of Computational Mechanics: WCCM, Los Angeles, CA, July 2006, (co-organizer: K. Terada).
- Modeling Microscale Material Behavior with Experimental Integration, 7th World Congress of Computational Mechanics: WCCM, Los Angeles, CA, July 2006, (co-organizer: P. Dawson).
- Advances in Computing the Dynamic Behavior of Heterogeneous Materials, 7th World Congress of Computational Mechanics: WCCM, Los Angeles, CA, July 2006, (co-organizer: F. Bobaru).
- Multi-Scale Problems and Related Computational Methods, International Workshops on Advances in Computational Mechanics: IWACOM, Hosei University, Tokyo, Japan, November 2004, (co-organizer: K. Terada, T. Yamada).
- Multi-Scale Computational Methods for Composite Materials And Structures, 6th World Congress of Computational Mechanics, WCCM VI, Beijing, China, September 2004, (co-organizer: K. Terada).
- Multi-scale Material Modeling, 7th US National Congress of Computational Mechanics, Albuquerque, NM, July 2003.
- Material Modeling at Various Length Scales, International Conference on Computational Engineering and Sciences, Reno, Nevada, July-August 2002.
- Second Symposium on Computational Modeling of Multiscale Phenomena: Multiscale 2002, Petropolis, Brazil, August 2002. (Co-organizer: G. Paulino).
- Arthur Leissa 70th Birthday Symposium, US National Congress of Theoretical and Applied Mechanics, Virginia Tech and State University, June, 2002. (co-organizer S.E. Bechtel and A. Noor).
- Computational Materials Modeling, International Conference on Computational Engineering and Sciences, Puerto Vallarta, Mexico August 2001.
- Computational Methods in Advanced Materials Modeling and Micromechanics, International Conference on Computational Engineering & Sciences, Atlanta, GA, October 1998.
- Bridging the Length Scales, 4th U.S. National Congress of Computational Mechanics, San Francisco, CA, August 1997. (co-organizer J. Fish).
- Integrated Experimental-Computational Modeling of Advanced Materials, McNU’97, Summer Annual Meeting of ASME in 1997. (co-organizer R.E. Everett).
- Computational Methods in Micromechanics, ASME International Mechanical Engineering Congress and Exposition, November 1995. (co-organizer M. Ostoja-Starzewiskii).
- Computational Methods in Micromechanics, 3rd U.S. National Congress on Computational Mechanics, Dallas, TX, June 1995.
- Adaptive Finite Element Method in Industrial Forming Processes, First National Congress of Computational Mechanics, Chicago, July 1991.