复合材料ANSYS-ACP仿真教程

Agenda9:00–Welcome1:00-ComputingUtilities9:00Welcome—Introductions—WhatisnewatCAEA9:15-MechanicalDemonstrationCADtitiliti(ithithCAD1:00ComputingUtilities—HPC—GPU—RSMHPCParametricPack)—CADconnectionutilities(withintheCADAPI)—Mechanicalsetup•RigidBodies,Joints,contact,meshing•UsingtheMechanicalmodelasatemplate—HPCParametricPack)1:30-CFDUpdate—Designiteration/optimizationusingCFX—ShapeoptimizationusingFluent•UsingtheMechanicalmodelasatemplate.—Submodeling(parametricmeshrefinement)10:30-Break10:45-Resultevaluation:WhatdoIdoihhi?—1-wayFSI3:00Break3:15–ANSYSCustomizationToolkit—WhatisACT?withthisstress?—Fatiguecalculation—Automatingtheprocess•DirectOptimizationWhatisACT?—Examples(acoustics,windload,DYNAdroptest.4:00EngineeringKnowledgeManager4:15ANSYSCompositePrepPost•RSO(robustdesign,DFSS)—Fracture12:00–Lunch4:15ANSYSCompositePrep-Post4:30MAPDL1ANSYSCompositeP/PtPrep/PostANSYSv14.5UpdateSeminarSeminarCAEAssociatesInc.andANSYSInc.Proprietary©2013CAEAssociatesInc.andANSYSInc.Allrightsreserved.ACPBackgroundANSYSCompositePrepPost(ACP)isanadd-onmoduletoexistingANSYSCompositePrepPost(ACP)isanadd-onmoduletoexistingstructuralsolverlicenses(Professionalandabove)dedicatedtothemodelingoflayeredcompositestructures.Firstintroducedinv12ithasgonethroughmanyupdatesandnowFirstintroducedinv12ithasgonethroughmanyupdatesandnowincorporatesseamlesslywithWorkbenchatv14.53TypicalACPUsageAshellelementmodelisdevelopedinMechanicalAshellelementmodelisdevelopedinMechanical—Meshingshellgeometry,applyingloadsandboundaryconditions.—CanbeinANSYSMechanicalorMechanicalAPDL—Definematerials(EngineeringData,orAPDL)ImportthemodelsinANSYSCompositePrepPost—DefineCompositeFabrics:•Fabric:amaterialandathickness•Laminate:anassemblyoffabrics(withorientations)•Sublaminates:anassemblyoffabricsandlaminates(withorientations)—Definetheelementorientation(soastoproperlyorientmaterials)—Definetheplysequenceforgroupsofelements(usuallycorrespondingtofacesofthegeometry)correspondingtofacesofthegeometry)Solvethemodel-computedbythestandardANSYSsolver,inbatchmode.Post-processtheresultsinACP:deformations,4PostprocesstheresultsinACP:deformations,thicknessesandfailurecriteria.IncorporationintoWBArchitectureStartingwithv140ACPisincorporateddirectlyintotheWBarchitectureStartingwithv14.0ACPisincorporateddirectlyintotheWBarchitecture.DefinecompositematerialImport/GeneratefmaterialpropertiessurfacegeometryGenerateShellMeshSet-upcompositematerialfabricdefinitions,elementorientations,plylayup,etc5CompositeMaterialsInEngineeringDatathereisnowaInEngineeringData,thereisnowacompositematerialslibrary.ShowLibrariesMaterialdoesnotneedtobeassignedtoMaterialdoesnotneedtobeassignedtobodiesinMechanical.MaterialassignmentisdoneinACP.AllmaterialsinEngineeringDataareateasgeegataaebroughtintoACP.6StartingACPfromWBOnceshellmeshisgeneratedandmaterialsdefinedACPcanbestartedOnceshellmeshisgeneratedandmaterialsdefined,ACPcanbestartedbyrightclick:Edit…7SolvingandPost-processingOncethemodelissetupinAPC(Pre)itcanbelinkedtowhatevertypeofOncethemodelissetupinAPC(Pre)itcanbelinkedtowhatevertypeofanalysesyouneedtosolve:ThenconnectACP(Post)totheSolutionofthatanalysis.ThenconnectACP(Post)totheSolutionofthatanalysis.8ACPModelingCapabilitiesMultipleorientedelementsetsallowformulti-laminatebuild-upMultipleorientedelementsetsallowformulti-laminatebuild-up.9ParametricModelingofCompositesSinceACPisintegratedintoWorkbenchthecompositedatafromACPwillSinceACPisintegratedintoWorkbench,thecompositedatafromACPwillbeupdatedwithanyparameterchangesinWB.Examplebelowshowsparametricchangesofdoublerwidthshowninred.10Efficientpost-processingofcomposite-specificresultsquantitiesPost-processingofCompositeResultsEfficientpost-processingofcomposite-specificresultsquantities.NewSamplingElementpost-processing.—Plotworstcasefailurecriteriaoveralllayers.Pikltdt/tidfilthhththik—Pickelementandseestress/strainandfailurethroughthethickness11Post-processingofCompositeResultsMakethru-thicknessstressplotsandaccountforinterlaminarnormalMakethru-thicknessstressplotsandaccountforinterlaminarnormalstresseswithshells.—Traditionalshellapproachescannotaccountforinterlaminarnormalstress(showninbluecurve)(showninbluecurve)—ANSYSCompositePrepPostcanpredictthesebaseontheworkofRoos,Kress,&ErmanniThru‐Thickness ILS & ILN Stress Plots –Solids Critical Stresses in Bend12Thru‐Thickness ILS & ILN Stress Plots –Shells Post-processingofCompositeResultsSandwichConstructionPost-processingSandwichConstructionPost-processing.—Wrinkling•Localbucklingofafacesheetundercompression•FailureindicatoravailableusingshellmodelingofsandwichFailureindicatoravailableusingshellmodelingofsandwich—CoreFailure•Localfailureofcoreinshearortensileloading•Failureindicatoravailableusingshellmodelingofsandwichgg13AdvancedACPCapabilitiesFiberorientationpredictionandmodificationFiberorientationpredictionandmodification.—UseinternalACPdrapingsimulationtocomputeorientationchangesduetogeometrycurvature,developflatpattern.—InterfacewithVistagy’sF