1Example21TitleTwistingeffectofasimplysupportedsquareplateDescriptionComputethedisplacementsofasquareplatesimplysupportedatthreecornerssubjectedtoaneccentricpointloadatthefourthcorner.StructuralgeometryandanalysismodelVerificationExample2MODELAnalysisType3-DstaticanalysisUnitSystemin,lbfDimensionLength8.0inWidth8.0inElementPlateelement(Thintype)MaterialModulusofelasticityE=1.0×104psiPoisson’sratioν=0.3ElementPropertyTriangularheight8.0/2in.Thicknesst=1.0inBoundaryConditionNodes1and7;ConstrainDz.(Rollersupports)Node3;ConstrainDx,Dy,DzandRz.LoadCaseAconcentratedload,5.0lbfisappliedtothenode5inthe-Zdirection.Example603ResultsDeformedshapeofthestructureVerificationExample4ComparisonofResultsUnit:inZ-displacement(δZ)NodeTheoreticalADINANISAIIMIDAS/Gen50.24960.24960.24960.249690.06240.06240.06240.0624ReferencesBatoz,J.L.,Bathe,K.J.andHo,L.W.,“AStudyofThree-NodeTriangularPlateBendingElements”,Int.J.Num.Meth.inEng.,Vol.15,pp.1771-1812,1980.“ADINA,VerificationManual-LinearProblems”,Version6.1,ADINAR&D,Inc,1992,ExampleA.28.“NISAII,VerificationManual”,Version91.0,EngineeringMechanicsResearchCorporation,1991.
