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《A dual-representation strategy for the virtual assembly of thin deformable objects》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、VirtualReality(2012)16:3–14DOI10.1007/s10055-009-0143-0SI:MANUFACTURINGANDCONSTRUCTIONAdual-representationstrategyforthevirtualassemblyofthindeformableobjectsVikalpMishra•KrishnanSureshReceived:18June2009/Accepted:29October2009/Publishedonline:19November2009ÓSpringer
2、-VerlagLondonLimited2009AbstractThetwomainobjectivesofvirtualassemblyKeywordsVirtualassemblyDeformationThinare:(1)totrainassembly-operatorsthroughvirtualPlatesKirchhoff-LoveDual-representationassemblymodels,and(2)tosimultaneouslyevaluateproductsforease-of-assemb
3、ly.Thefocusofthispaperisondevelopingcomputationaltechniquesforvirtualassembly1Introductionofthindeformablebeamandplate-likeobjects.Tomeettheobjectivesofvirtualassembly,theunderlyingcompu-Virtualmanufacturing(VM)istheuseofmanufacturing-tationaltechniquemust:(1)becarri
4、edoutatahighframe-basedsimulationstooptimizethedesignofproductsandrate([20frames/second),(2)beaccurate(5%errorinprocessesforaspecificmanufacturinggoalsuchasdesigndeformationandforceestimation),(3)beconducivetoforassembly,quality,leanoperations,and/orflexibilitycollisi
5、ondetection,and(4)supportrapiddesignevalua-(LawrenceAssociatesInc1994).Thefocusofthispaperistions.WeargueinthispaperthatpopularcomputationalononeaspectofVM,namely,virtualassembly,wherethetechniquessuchas3-Dfiniteelementanalysis,boundaryobjectivesaretwofold:(a)totraini
6、ndividualstoassembleelementanalysisandclassicbeam/plate/shellanalysisfailcomponentswithinavirtualenvironment,and(b)totomeettheserequirements.Wethereforeproposeanewsimultaneouslyevaluateproductsforease-of-assembly.classofdualrepresentationtechniquesforvirtualassemblyW
7、ithvirtualassembly,onecanpotentiallydoawaywithofthinsolids,wherethegeometryisretainedinitsfull3-Dexpensiveandtimeconsumingphysicalprototyping/form,whiletheunderlyingphysicsisdimensionallytesting.reduced,delivering:(1)highcomputationalefficiencyandVirtualassemblycanbei
8、mplementedattwodistinctaccuracy(over20framespersecondwith1%deforma-levelsoffidelity.Atthefirstlevel,allcomponentsaretionerror),and(2
