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Crumpling&TearinginH10MartinSawtell&MichielHagedoorn-Basicsolverstructure,shelftools&workflow-Theclothobject(basicphysicalparameters)Stretch,ShearandBend(weak/strong)StiffnessandDampingSoplevelparameters-DOPsintegration(forces,constraints,static&RBDobjects)-Plasticdeformation&Reststates-Topology,Collisions-Substepping/tolerances&debugging-Tearingandchangingtopology-Pintoanimation-SOPsolvers-Transferringdeformations-Examplefiles&carcrashMakingclothobjectsElastic,dentable,tearableetcConstraintsClothneedspolys!DirectlyusesgeometryAvoidinitialcollisionsNice(tm)topologyispreferred.TriangulateeverythingifyoumustAddingstatic&RBDobjects./examples/substepping.hipBasicClothPropertiesStretchShearBendStiffness:Theclothsolverdecideswheretoplacethepoints/verticesinthegeometryeachframebyaddingtheexternalforces(iegravityandcollisions)toacalculatedcounteractingforce(internalforce).Eg:Cardboardvstablecloth,SheetmetalvstinfoilDamping:Ifyou'hit'anobject,you'dexpecttheforceofthehittopropagatethroughit.Dampingspecifieshowmuchofthatforceislostasitpropagates.Eg:Hangingsilkvshangingcardboard./examples/cylinderHit.hiphangingSheet1.hip./videos/sheetDamping.aviSOPattributes:stretchstiffnessstretchdampingStretchelasticlimitStretchplastichardeningshearstiffnesssheardampingShearelasticlimitShearplastichardeningbendstiffnessbenddampingbendelasticlimitbendplastichardeningenabletearingpintoanimationALLtheseattributesareanimateableDOPsintegration-staticobjectsworkasexpected-1wayRBD-clothinteraction(cloth-clothis2w)(mass)-RBDcollisionsandpinching(SDFs!=clothsolvergeo)./examples/RBDcollisions.hip-useverystiffclothobjectsinsteadofRBDs-forcesworkasperusual-thinkoftheclothsystemasRBDwithdeformations,notjustgarmentsandclothythings!./video/cool1.avi&carJump.mov-constraints:eitherusepin&springconstraintsorPintoanimation-sopsolversareawesome,conceptof'DOPshistory'Plasticdeformatio
