资源描述：
《visualization of MPM》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Eurographics/IEEE-VGTCSymposiumonVisualization(2006)ThomasErtl,KenJoy,andBeatrizSantos(Editors)ACaseStudy:VisualizingMaterialPointMethodDataJamesBigler1,JamesGuilkey2,ChristiaanGribble1,CharlesHansen1andStevenParker11ScientificComputingandImagingInstitute,UniversityofUt
2、ah,USA2Dept.ofMechanicalEngineering,UniversityofUtah,USAAbstractTheMaterialPointMethodisusedforcomplexsimulationofsolidmaterialsrepresentedusingmanyindividualparticles.Visualizingsuchdatausingexistingpolygonalorvolumetricmethodsdoesnotaccuratelyencapsulateboththepartic
3、leandmacroscopicpropertiesofthedata.Inthiscasestudywepresentvariousmethodsusedtovisualizetheparticledataasspheresandexplainandevaluatetwomethodsofaugmentingthevisualizationusingsilhouetteedgesandadvancedilluminationsuchasambientocclusion.Wealsopresentinformalfeedbackre
4、ceivedfromtheapplicationscientistswhousethesemethodsintheirworkflow.CategoriesandSubjectDescriptors(accordingtoACMCCS):I.3.7[ComputerGraphics]:Three-DimensionalGraphicsandRealismI.3.3[ComputerGraphics]:DisplayalgorithmsI.3.3[ComputerGraphics]:Bitmapandframebufferoperati
5、onsI.4.6[ImageProcessing]:Edgeandfeaturedetection1.Introduction2.TheMaterialPointMethodComputationalsimulationisfrequentlydoneongrids;how-TheMaterialPointMethod(MPM)isaparticlemethodforever,gridbasedsolutionmethods,suchasthefiniteelementstructuralmechanicssimulationsuse
6、dtoevolvethestateofmethod,arenotalwayswellsuitedforcomplicatedgeome-solidmaterials.Lagrangianparticles,ormaterialpoints,aretrywhereconstructionofasuitablegridisunreasonablytimeusedtodiscretizethevolumeofamaterial;eachparticlecar-consuming.Additionally,somesuchmethodsar
7、enotrobustriesstateinformationabouttheportionofthevolumethatitwhenmaterialsaresubjecttolargedeformations.Socalledrepresents,includingmass,volume,velocity,stress,etc.A“meshless"or“quasi-meshless"methodsareanincreasinglyregularstructuredgridisusedasacomputationalscratch-
8、popularalternativeforcertainclassesofproblems.Inmesh-padfortheintegrationandsolutionoftheweakformofthelessmethods,str
