FLAC-SYMP-mod

ANSYS/CIVILFEM↔FLAC3DCivilFEMCivilFEM––FLAC3DINTEGRATIONFLAC3DINTEGRATIONEduardoSaleteJánosNézőINGECIBER,SAANSYS/CIVILFEM↔FLAC3D2ANSYSandCivilFEMANSYSandCivilFEMCivilFEMusingANSYSpre,postandsolvingcapabilities,addsmorethan350newfeaturesandspecificutilitiesfortheCivilengineeringfield.CivilFEMcanbepurchasedas“add-on”toanyANSYSproductorasa“Bundle”productasANSYS/StructuralOpt.HIGH,I,orII.ANSYSPREPROCESSORSOLUTIONPOSTPROCESSORPREPROCESSORADITIONALORCOMPLEMENTARYANALYSISPOSTPROCESSORCivilFEMINTRO+SpecificModulesANSYSCivilFEM(FeaturesaddedtoAnsysbyCivilFEM)ANSYS+CivilFEM“BUNDLE”(Bundleproduct)ANSYS/CIVILFEM↔FLAC3D3ANSYSandCivilFEMANSYSandCivilFEMANSYS+CivilFEM(Unlimited)BundleProductsSpecializedModulesGeotechnicalBridgesandCivilNonlinearitiesAdvancedPrestressedConcreteOthersAnsys/Multiphisics+CivilFEMINTROUnlimitedAnsys/Mechanical+CivilFEMINTROUnlimitedAnsys/Structural+CivilFEMINTROUnlimitedAnsys/Professional+CivilFEMINTROUnlimitedAnsys/StructuralOPTHIGH+CivilFEMIntroOPTHIGH(128,000nodes/elements)Ansys/StructuralOPTI+CivilFEMIntroOPTI(32,000nodes/elements)Ansys/StructuralOPTII+CivilFEMIntroOPTII(8,000nodes/elements)ANSYS/CIVILFEM↔FLAC3D4ANSYSandCivilFEMANSYSandCivilFEMOnecompletesolutiontocoveralltheindustryneedsandrequirements.SoftwareforDamsSoftwareforGeotechnicsSoftwareforBridgesSoftwareforConcrete/SteelBuilding/PowerPlantsStructuresSoftwareforCompositeStructuresANSYS/CIVILFEM↔FLAC3D5Integrationobjectives/advantagesIntegrationobjectives/advantageszThemodelgenerationiseasierandfasterwiththeintegration(materials,geometryandmeshing).zSolutionofANSYSandCivilFEMmodelsmakinguseofFLAC3Dpowerfulfeaturesforsoilandrockanalysis(materialbehaviorlaws,explicitsolver,specialgeotechnicalelements,porousmedia,etc)zPostprocessingofFLAC3DstructuralelementswithCivilFEM(reinforcementdesign,checking,etc).ANSYS/CIVILFEM↔FLAC3D6GeneralsketchGeneralsketchPREPROCESSPOSTPROCESSSOLUTIONPREPROCESSSOLUTIONPOSTPROCESSCFTOFL3D.DATFISHFL3DRES.DATFISHFL3DRES.EXPASCIIANSYSandCivilFEMFLAC3DANSYS/CIVILFEM↔FLAC3D7PreprocessPreprocessCommand~CFFL3D:ExportANSYSandCivilFEMdatabasetoFLAC3D•3DSolidelements:‘Zones’•Solidelementnodes:‘Gridpoints’•ANSYSStructuralelements:FLACstructuralelements•Structuralelementnodes:FLACnodes•Commonnodes:‘Links’•Materialproperties•Structuralelementproperties•AxissystemANSYS/CIVILFEM↔FLAC3D8SolidelementsSolidelementsANSYSSOLID45ElementFLAC3Dprimitives(‘zones’)ANSYS/CIVILFEM↔FLAC3D9StructuralelementsStructuralelementsSHELL43SHELL63BEAM44BEAM4LINK8CableSELBeamSEL,PileSELANSYSandCivilFEMFLAC3DShellSEL,GeogridSEL,LinerSELANSYS/CIVILFEM↔FLAC3D10MaterialpropertiesdefinitionMaterialpropertiesdefinitionzForsoilsandrockmodels,CivilFEMallowsthedefinitionofFLACconstitutivelawsforthematerialsdefinedusingANSYSandCivilFEM:Thepropertiesassignedtothesoil&rockelementsinFLAC3DaretakenfromtheCivilFEMmaterialpropertiesanddependsontheselectedconstitutivemodel.ANSYS/CIVILFEM↔FLAC3D11MaterialpropertiesdefinitionMaterialpropertiesdefinitionzForthestructuralelements,CivilFEMallowsthedefinitionoftheFLAC3Dstructuralelementtypedirectlyfromthematerialwindow:ThepropertiesassignedtothestructuralelementsinFLAC3DaretakenfromtheCivilFEMmaterialpropertiesanddependsontheFLACelementtypeselected.ANSYS/CIVILFEM↔FLAC3D12ControllingMeshDensityControllingMeshDensityzANSYSprovidesmanytoolstocontrolmeshdensity,bothonaglobalandlocallevel:¾Globalcontrols‹SmartSizing‹Globalelementsizing‹Defaultsizing¾Localcontrols‹Keypointsizing‹Linesizing‹AreasizingANSYS/CIVILFEM↔FLAC3D13ControllingMeshDensityControllingMeshDensityzExamplesofdifferentSmartSizelevelsareshownhereforatetrahedronmesh.zAdvancedSmartSizecontrols,suchasmeshexpansionandtransitionfactors,areavailableontheSMRTcommandor:¾MainMenuPreprocessorMeshingSizeCntrlsSmartSizeAdvOptszYoucanturnoffSmartSizingusingtheMeshToolorbyissuingsmrt,off.ANSYS/CIVILFEM↔FLAC3D14ControllingMeshDensityControllingMeshDensityzGlobalElementSizingzAllowsyoutospecifyamaximumelementedgelengthfortheentiremodel(ornumberofdivisionsperline):¾ESIZE,SIZE¾orMainMenuPreprocessorMeshingMeshTool;thenselect“SizeControls”,“Global”,and[Set]¾orMainMenuPreprocessorMeshingSizeCntrlsManualSizeGlobalSizezCanbeusedbyitselforinconjunctionwithSmartSizing.¾UsingESIZEbyitself(SmartSizingoff)willresultinauniformelementsizethroughoutthevolume(orarea)beingmeshed.¾WithSmartSizingon,ESIZEactsasa“guide,”butthespecifiedsizemaybeoverriddentoaccommodatelinecurvatureorproximitytofeatures.ANSYS/CIVILFEM↔FLAC3D15MeshRefiningMeshRefiningzAnothermeshingoptionistorefinethemeshinspecificregions.¾Availableforallareaelementsandonlytetrahedralvolumeelements.¾EasiestwayistousetheMeshTool:‹Picktheentitiesatwhichyouwantthemeshtoberefined.(Notrequiredifyouchoose“AllElems.”)‹Finally,choosethelevelofrefinement.Level1(minimalrefinement)isagoodstartingpoint.ANSYS/CIVILFEM↔FLAC3D16MappedMeshingMappedMeshingzTherearetwomainmeshingmethods:freeandmapped.zFreeMesh¾Hasnoelementshaperestrictions.¾Themeshdoesnotfollowanypattern.¾Suitableforcomplexshapedareasandvolumes.zMappedMesh¾Restric