1Example19TitleSimplysupportedsquareplateunderauniformpressureloadDescriptionCalculatetheverticaldisplacementsofasquareplateunderauniformpressureload.Onlyaquartermodelmaybeanalyzedduetosymmetry.2StructuralgeometryandanalysismodelExample603ModelAnalysisType3-DstaticanalysisUnitSystemm,NDimensionLength0.4mWidth0.4mElementPlateelement(Thicktype)MaterialModulusofelasticityE=2.1×1011N/m2Poisson’sratioν=0.3ElementPropertyTriangularbase×Height=0.1×0.05Thicknesst=0.008mBoundaryConditionNodes1~5;ConstrainDyandRx.(SymmetricaboutX-axis)Nodes1,10,19,26and37;ConstrainDxandRy.(SymmetricaboutY-axis)Nodes37~41;ConstrainDzandRy.(Simplesupports)Nodes5,14,23,32and41;ConstrainDzandRx.(Simplesupports)LoadCaseApressureload,1000N/m2isappliedinthe-Zdirection.4ResultsZ-displacementsofthestructure(Node1)Example605ComparisonofResultsUnit:mNode1TheoreticalADINAMIDAS/GenZ-displacement(δZ)1.689×10-41.675×10-41.676×10-4ReferencesTimoshenko,S.P.,andWoinowsky-Krieger,S.,“TheoryofPlatesandShells”,2ndEdition,McGraw-Hill,1959.“ADINA,VerificationManual-LinearProblems”,Version6.1,ADINAR&D,Inc,1992,ExampleA.27.
