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Identifying the material properties of human skin.ppt

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Identifying the material properties of human skin.ppt

上传人:陈潇睡不醒 2020/6/1 文件大小:851 KB

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Identifying the material properties of human skin.ppt

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文档介绍:IdentifyingthematerialpropertiesofhumanskinSamEvansSchoolofEngineering,CardiffUniversityIntroductionManyengineeringapplicationsforamodelofskinDetailed,layered,3Dmodelsforlocalisedeffects(egneedles,shaving)‏MembranemodelmoreefficientforlargeareasofskinPropertyidentificationNeedtoidentifypropertiesforuseinaconstitutivemodelQuick,non-pressibleOgdenmaterialmodel,withtensionfieldwrinkling&prestretch1Hager–,.,Ontheimplementationofawrinkling,,putationalmeasurements“Consideranonlinearmaterialwithlargestrains...esnontrivial...puter-aidedexperiment,'back-calculating'bytrialanderrorusingfiniteelements...”-BruceIrons,1980DigitalimagecorrelationSubsetsmatchedinothercameraviewandlaterimagesXdisplacement(m)‏