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1、W6a.9Goals·Usethemodelmanagertocreateacopyofthemodel·Partitionthehingetoobtainhex-meshabledomains·Assignanelementtype·Createmeshseeds·Createameshusinghexahedralelements·CreateatetrahedralelementmeshusingthefreemeshingtechniqueIntroductionTheMeshmoduleallowsyoutogener
2、atefiniteelementmeshesonassemblies.Theprocessofmeshingthemodel,likecreatingpartsandassemblies,isfeaturebased;therefore,youcanmodifytheparametersthatdefineapartoranassembly,andthemeshattributesthatyouspecifiedwithintheMeshmoduleareregeneratedautomatically.Inthisworksh
3、opyouwillmeshthepartinstancesthatyoudefinedearlier.Creatingafiniteelementmeshusuallyinvolves:·Partitioningtheassemblytoensurethattheassemblycanbemeshed·Assigningmeshattributestothepartinstances·Seedingthepartinstances·MeshingtheassemblyNote:Thereplayfile,CAE/Workshop
4、s/Hinge-StepIntBc.py,canbeusedtogeneratetheprerequisitemodeldefinitionsforthisworkshop.Intheeventthatyouwereunabletocompletethepreviousworkshopsuccessfully,youaccidentallydeletedyourmodeldatabasefile,etc.,dothefollowing:copythefileintoalocaldirectory,startABAQUS/CAE,
5、andrunthescriptbyselectingFile→RunScript.Thenproceedwiththerestoftheworkshop.CreatingacopyofthemodelTwodifferenttypesofmesheswillbecreatedinthisworkshop,eachusingadifferentcopyofthemodel.Tocreateacopyofthemodel:1.StartABAQUS/CAE,andopenthedatabasecreatedinWorkshop5a.
6、2.IntheModulelistlocatedunderthetoolbar,selectMeshtoentertheMeshmodule.3.SelectModel→Manager.SelectCopyModel,andnamethemodelModel-2.Noticethatafterthecopyiscreated,thenameofthemodelinthepulldownmenuunderthetoolbarchangestoModel-2.Copyright2003ABAQUS,Inc.Introductiont
7、oABAQUS/CAEW6a.91.ClickDismissontheModelmanager.2.Usingthemodellistunderthetoolbar,changethemodeltoModel-1.Model-1willbemeshedwithhexahedralelements,whileModel-2willbemeshedwithtetrahedralelements.CreatingahexahedralelementmeshPartitioningMostthree-dimensionaldomains
8、canbereadilymeshedwithtetrahedralelementsusingatechniquecalled“freemeshing.”Unfortunately,tetrahedralelementsareusuallylessdesirabl
