{"id":7,"date":"2015-11-03T15:53:11","date_gmt":"2015-11-03T20:53:11","guid":{"rendered":"https:\/\/test.eng.ufl.edu\/faculty-site\/?page_id=7"},"modified":"2026-01-09T16:30:05","modified_gmt":"2026-01-09T16:30:05","slug":"research","status":"publish","type":"page","link":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/research\/","title":{"rendered":"Research"},"content":{"rendered":"<h3><span style=\"font-size: large\">Funded Research Projects<br \/>\n<\/span>(i) Funded by Government Agencies:<\/h3>\n<ul>\n<li>2019-2022, Sponsor: U.S. Air Force \u201c<em>Engineering Scale Modeling for Concrete Under High-Strain Rates and Pressures<\/em>\u201d(P.I.)<\/li>\n<li>2018-2021, Sponsor: Air Force Office of Scientific Research (AFOSR) <em>New Computational Framework for Modeling Porous Materials<\/em>, Principal Investigator (P.I.)<\/li>\n<li>2018-2019, Sponsor: Southwest Research Institute \u201c<em>Development And Implementation of an advanced soils model<\/em>\u201d (Co-PI with P.I: B. Revil-Baudard)<\/li>\n<li>2018-2019, Sponsor: U.S. Department of Energy, Sandia National Laboratories, \u201c<em>Improved Yield Surface Description\u201d <\/em>(P.I.)<\/li>\n<li>2015-2019, Sponsor: U.S. Air Force \u201c<em>3-D Reconstruction Development and Multi-Scale Modeling of Damage in Cementitious Materials<\/em>\u201d (P.I.)<\/li>\n<li>2016-2019, Sponsor: Army Research Office: \u201c<em>Uncovering the cause of ratcheting and low cycle fatigue<\/em>\u201d(P.I.).<\/li>\n<li>2012-2016, Sponsor: U.S. Air Force \u201c<em>Development of a Unique Split-Hopkinson Pressure Bar Technique\u201d.<\/em>(P.I.)<\/li>\n<li>2014-2017, Sponsor: U.S. Air Force : \u201c<em>Experimental Characterization and Multi-scale Modeling of Damage in Heterogeneous Materials<\/em>\u201d.(P.I.)<\/li>\n<li>2014-2015, Sponsor: Naval Research Laboratory, \u201c<em>Plasticity Damage Couplings in Titanium<\/em>\u201d.(P.I.)<\/li>\n<li>2010-2014, Sponsor: NSF GOALI with General Motors \u201c<em>High-Strain Rate Deformation and Failure of Magnesium Alloys<\/em>\u201d(P.I.)<\/li>\n<li>2008-2010, Sponsor: NSF GOALI with ALCOA \u201c<em>Effects of Directional Hardening and Texture Evolution on Earing During Cup Drawing<\/em>\u201d (P.I.)<\/li>\n<li>2008-2010, Sponsor: AFOSR \u201c<em>On modeling plasticity of heterogeneous anisotropic media using\u00a0 discontinuous velocity domain splitting method<\/em>\u201d (P.I.)<\/li>\n<li>2008-2013, Sponsor: US Air Force \u201c<em>Development of Constitutive Model for Description of the Role of Texture on Void Growth in Metallic Materials Displaying Tension\/Compression Asymmetry<\/em>\u201d. (P.I)<\/li>\n<li>2008-2010, Sponsor: US Air Force \u201c<em>Development of Constitutive Model for Sand\u201d.<\/em> (P.I.)<\/li>\n<li>2009, Sponsor: AFOSR, \u201c<em>Organization of 3<sup>rd<\/sup> US-France Workshop on Damage and Failure of Heterogeneous Materials<\/em>\u201d.<\/li>\n<li>2005-2008, Sponsor: US Air Force \u201c<em>Development of a Micro-Scale Methodology for Prediction of the Macroscopic Anisotropic Stress-Strain Response to Textured Metals Under Dynamic Loading<\/em>\u201d. (P.I.)<\/li>\n<li>2007-2008 Sponsor: AFOSR \u201c<em>On Modeling Anisotropic Grain Level Behavior of Particulate\u00a0 Materials<\/em>\u201d. (P.I.)\u00a0\u00a0\u00a0<\/li>\n<li>2004-2007, Sponsor: AFOSR \u201c<em>Investigation into the combined effects of compaction, strain rate sensitivity, and anisotropic damage of a geologic target on the trajectory stability of rigid penetrators<\/em>\u201d. (P.I.)<\/li>\n<li>2007, Sponsor: AFOSR \u201c<em>US-France Workshop on Advances in Bridging Scales in Computation<\/em>\u201d. (P.I.)<\/li>\n<li>2003-2006, Sponsor: NSF \u201c<em>Interdisciplinary Investigation of Warm Forming of Magnesium Alloy Sheet\u201d.<\/em> (Co-P.I.)<\/li>\n<li>2003-2006, Sponsor: US Air Force <em>\u201cTheoretical and experimental investigation of blast resistant window systems\u201d.<\/em> (P.I.)<\/li>\n<li>2003-2006, Sponsor: US Air Force <em>\u201cOn modeling penetration in compressible rate dependent media<\/em>\u201d (P.I.)<\/li>\n<li>2004-2005, Sponsor: US Air Force \u201c<em>Non-Newtonian compressible fluid formulations in view of application to penetration into porous\/brittle media<\/em>\u201d (P.I.)\u00a0\u00a0\u00a0<\/li>\n<li>2004-2005, Sponsor: US Air Force \u201c<em>Steady flow of a particulate target medium over a projectile: Experiments and Modeling<\/em>\u201d( Co-PI with PI: N.D. Cristescu)<\/li>\n<li>2000-2001, Sponsor: US Air Force \u201c<em>Experiments and Modeling of Virgin and Damaged Concrete and Geomaterials<\/em>\u201d ( Co-PI with PI: N.D. Cristescu)<\/li>\n<\/ul>\n<h3>(ii) Funded by Industrial Organizations:<\/h3>\n<ul>\n<li>2010-2011 Sponsor: General Motors, \u201c<em>Ductile Failure of Hexagonal Metals\u201d <\/em>(P.I.)<\/li>\n<li>2008-2009 Sponsor: Alcoa Inc., &#8220;<em>Earing predictions for food can Al alloys<\/em>&#8220;(P.I.)<\/li>\n<li>2007-2008 Sponsor: General Motors, \u201c<em>Formability of Hexagonal Metals<\/em>\u201d (P.I.)\u00a0 <\/li>\n<li>2006-2007 Sponsor: General Motors, \u201c<em>Modeling of plasticity of hexagonal metals<\/em>\u201d (P.I.)<\/li>\n<li>2003-2004 Sponsor: Alcoa Inc.,\u201c<em>Constitutive modeling of anisotropic plasticity in aluminum alloys<\/em>\u201d (P.I.)<\/li>\n<li>2003-2004 Sponsor: Alcoa Inc.,\u201c<em>Constitutive Modeling of Anisotropic Materials<\/em>\u201d (P.I.)|<\/li>\n<li>2000-2001 Sponsor: H.B. Fuller Co., \u201c<em>Powder Flow, Fluidization and Compaction<\/em>\u201d (Co-PI with R.W. Mei and J.F. Klausner)\u00a0\u00a0\u00a0<\/li>\n<\/ul>\n<h3 style=\"text-align: center\"><span style=\"font-size: x-large\"><br \/>\nDAMAGE MODEL DEVELOPMENT FOR FCC METALS<\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-320 size-full\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/DamageModelDevelopmentForFCCMetals.png\" alt=\"\" width=\"1528\" height=\"971\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/DamageModelDevelopmentForFCCMetals.png 1528w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/DamageModelDevelopmentForFCCMetals-300x191.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/DamageModelDevelopmentForFCCMetals-1024x651.png 1024w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/DamageModelDevelopmentForFCCMetals-768x488.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/DamageModelDevelopmentForFCCMetals-330x210.png 330w\" sizes=\"auto, (max-width: 1528px) 100vw, 1528px\" \/><\/p>\n<h3 style=\"text-align: center\">DAMAGE IN HCP TITANIUM: MODEL PREDICTION vs. XCMT DATA<\/h3>\n<table class=\" aligncenter\" style=\"border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-336\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp1.png\" alt=\"\" width=\"967\" height=\"650\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp1.png 992w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp1-300x202.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp1-768x516.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp1-312x210.png 312w\" sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/td>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-338\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp2.png\" alt=\"\" width=\"863\" height=\"650\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp2.png 960w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp2-300x226.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp2-768x578.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp2-279x210.png 279w\" sizes=\"auto, (max-width: 863px) 100vw, 863px\" \/><\/td>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-340\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp3.png\" alt=\"\" width=\"966\" height=\"650\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp3.png 960w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp3-300x202.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp3-768x517.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/hcp3-312x210.png 312w\" sizes=\"auto, (max-width: 966px) 100vw, 966px\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 style=\"text-align: center\">MOLYBDENUM<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-334 size-full\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum.png\" alt=\"\" width=\"1546\" height=\"999\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum.png 1546w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum-300x194.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum-1024x662.png 1024w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum-768x496.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum-1536x993.png 1536w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/researchmolybdenum-325x210.png 325w\" sizes=\"auto, (max-width: 1546px) 100vw, 1546px\" \/><\/p>\n<h3 style=\"text-align: center\">MAGNESIUM<\/h3>\n<table class=\" aligncenter\" style=\"border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-322\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium1.png\" alt=\"\" width=\"1047\" height=\"500\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium1.png 928w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium1-300x143.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium1-768x367.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium1-440x210.png 440w\" sizes=\"auto, (max-width: 1047px) 100vw, 1047px\" \/><\/td>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-324\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium2.png\" alt=\"\" width=\"1096\" height=\"500\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium2.png 938w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium2-300x137.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium2-768x350.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium2-460x210.png 460w\" sizes=\"auto, (max-width: 1096px) 100vw, 1096px\" \/><\/td>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-326\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium3.png\" alt=\"\" width=\"913\" height=\"500\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium3.png 995w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium3-300x164.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium3-768x421.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium3-383x210.png 383w\" sizes=\"auto, (max-width: 913px) 100vw, 913px\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-328\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium4.png\" alt=\"\" width=\"1032\" height=\"750\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium4.png 1009w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium4-300x218.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium4-768x558.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium4-289x210.png 289w\" sizes=\"auto, (max-width: 1032px) 100vw, 1032px\" \/><\/td>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-330\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium5.png\" alt=\"\" width=\"1156\" height=\"750\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium5.png 1211w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium5-300x195.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium5-1024x665.png 1024w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium5-768x498.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium5-324x210.png 324w\" sizes=\"auto, (max-width: 1156px) 100vw, 1156px\" \/><\/td>\n<td style=\"width: 33.3333%\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-332\" src=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium6.png\" alt=\"\" width=\"1092\" height=\"750\" srcset=\"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium6.png 1072w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium6-300x206.png 300w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium6-1024x703.png 1024w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium6-768x527.png 768w, https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-content\/uploads\/sites\/214\/2020\/03\/magnesium6-306x210.png 306w\" sizes=\"auto, (max-width: 1092px) 100vw, 1092px\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Funded Research Projects (i) Funded by Government Agencies: 2019-2022, Sponsor: U.S. Air Force \u201cEngineering Scale Modeling for Concrete Under High-Strain Rates and Pressures\u201d(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 \u201cDevelopment And Implementation of an advanced soils model\u201d [&hellip;]<\/p>\n","protected":false},"author":446,"featured_media":0,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"page-templates\/page-sidebar-none.php","meta":{"_acf_changed":false,"inline_featured_image":false,"featured_post":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-7","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/pages\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/users\/446"}],"replies":[{"embeddable":true,"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":3,"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/pages\/7\/revisions"}],"predecessor-version":[{"id":410,"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/pages\/7\/revisions\/410"}],"wp:attachment":[{"href":"https:\/\/faculty.eng.ufl.edu\/oana-cazacu\/wp-json\/wp\/v2\/media?parent=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}