Research

Funded Research Projects
(i) Funded by Government Agencies:

2019-2022, Sponsor: U.S. Air Force “Engineering Scale Modeling for Concrete Under High-Strain Rates and Pressures”(P.I.)
2018-2021, Sponsor: Air Force Office of Scientific Research (AFOSR) New Computational Framework for Modeling Porous Materials, Principal Investigator (P.I.)
2018-2019, Sponsor: Southwest Research Institute “Development And Implementation of an advanced soils model” (Co-PI with P.I: B. Revil-Baudard)
2018-2019, Sponsor: U.S. Department of Energy, Sandia National Laboratories, “Improved Yield Surface Description” (P.I.)
2015-2019, Sponsor: U.S. Air Force “3-D Reconstruction Development and Multi-Scale Modeling of Damage in Cementitious Materials” (P.I.)
2016-2019, Sponsor: Army Research Office: “Uncovering the cause of ratcheting and low cycle fatigue”(P.I.).
2012-2016, Sponsor: U.S. Air Force “Development of a Unique Split-Hopkinson Pressure Bar Technique”.(P.I.)
2014-2017, Sponsor: U.S. Air Force : “Experimental Characterization and Multi-scale Modeling of Damage in Heterogeneous Materials”.(P.I.)
2014-2015, Sponsor: Naval Research Laboratory, “Plasticity Damage Couplings in Titanium”.(P.I.)
2010-2014, Sponsor: NSF GOALI with General Motors “High-Strain Rate Deformation and Failure of Magnesium Alloys”(P.I.)
2008-2010, Sponsor: NSF GOALI with ALCOA “Effects of Directional Hardening and Texture Evolution on Earing During Cup Drawing” (P.I.)
2008-2010, Sponsor: AFOSR “On modeling plasticity of heterogeneous anisotropic media using discontinuous velocity domain splitting method” (P.I.)
2008-2013, Sponsor: US Air Force “Development of Constitutive Model for Description of the Role of Texture on Void Growth in Metallic Materials Displaying Tension/Compression Asymmetry”. (P.I)
2008-2010, Sponsor: US Air Force “Development of Constitutive Model for Sand”. (P.I.)
2009, Sponsor: AFOSR, “Organization of 3^rd US-France Workshop on Damage and Failure of Heterogeneous Materials”.
2005-2008, Sponsor: US Air Force “Development of a Micro-Scale Methodology for Prediction of the Macroscopic Anisotropic Stress-Strain Response to Textured Metals Under Dynamic Loading”. (P.I.)
2007-2008 Sponsor: AFOSR “On Modeling Anisotropic Grain Level Behavior of Particulate Materials”. (P.I.)
2004-2007, Sponsor: AFOSR “Investigation into the combined effects of compaction, strain rate sensitivity, and anisotropic damage of a geologic target on the trajectory stability of rigid penetrators”. (P.I.)
2007, Sponsor: AFOSR “US-France Workshop on Advances in Bridging Scales in Computation”. (P.I.)
2003-2006, Sponsor: NSF “Interdisciplinary Investigation of Warm Forming of Magnesium Alloy Sheet”. (Co-P.I.)
2003-2006, Sponsor: US Air Force “Theoretical and experimental investigation of blast resistant window systems”. (P.I.)
2003-2006, Sponsor: US Air Force “On modeling penetration in compressible rate dependent media” (P.I.)
2004-2005, Sponsor: US Air Force “Non-Newtonian compressible fluid formulations in view of application to penetration into porous/brittle media” (P.I.)
2004-2005, Sponsor: US Air Force “Steady flow of a particulate target medium over a projectile: Experiments and Modeling”( Co-PI with PI: N.D. Cristescu)
2000-2001, Sponsor: US Air Force “Experiments and Modeling of Virgin and Damaged Concrete and Geomaterials” ( Co-PI with PI: N.D. Cristescu)

(ii) Funded by Industrial Organizations:

2010-2011 Sponsor: General Motors, “Ductile Failure of Hexagonal Metals” (P.I.)
2008-2009 Sponsor: Alcoa Inc., “Earing predictions for food can Al alloys“(P.I.)
2007-2008 Sponsor: General Motors, “Formability of Hexagonal Metals” (P.I.)
2006-2007 Sponsor: General Motors, “Modeling of plasticity of hexagonal metals” (P.I.)
2003-2004 Sponsor: Alcoa Inc.,“Constitutive modeling of anisotropic plasticity in aluminum alloys” (P.I.)
2003-2004 Sponsor: Alcoa Inc.,“Constitutive Modeling of Anisotropic Materials” (P.I.)|
2000-2001 Sponsor: H.B. Fuller Co., “Powder Flow, Fluidization and Compaction” (Co-PI with R.W. Mei and J.F. Klausner)