在LS-Prepost-建立sph模型的详细过程VIP免费

LS_Prepost关键操作1.模型建立立方体模型1起始坐标Part编号起始节点号：该Part第一个节点号码粒子密度立方体沿三个坐标轴方向的节点数球体模型2球心坐标球体球体半径沿三个坐标轴方向的节点数圆柱体模型3圆柱方向坐标底部中心坐标圆柱半径圆柱高径向节点数，一般设置相同轴向节点数圆台/锥模型4圆台/锥方向坐标底部中心坐标圆台底部半径圆台高径向节点数，一般设置相同轴向节点数圆台顶部半径2.参数定义*DATABASE_FORMAT计算结果输出格式5数据库IFORMOutputformatforD3PLOTandD3THDTfilesEQ.0:LS-DYNAdatabaseformat(default),EQ.1:ANSYSdatabaseformat,EQ.2:BothLS-DYNAandANSYSdatabaseformats.IBINARYWordsizeofthebinaryoutputfiles(D3PLOT,D3THDT,D3DRLFandinterfacefilesfor64bitcomputersuchasCRAYandNEC.EQ.0:default64bitformat,EQ.1:32bitIEEEformatRemarks:1.Thisoptionisnotavailableforeveryplatform.CheckLS-DYNABanneruponexecutionoftheprogram2.Byusingthisoptiononecanreducethesizeofthebinaryoutputfileswhicharecreatedby64bitscomputersuchasCRAYandNEC.二进制*DATABASE_EXTENT_BINARY结果输出控制6数据库7NEIPHNumberofadditionalintegrationpointhistoryvariableswrittentothebinarydata-baseforsolidelements.Theintegrationpointdataiswritteninthesameorderthatitisstoredinmemory-eachmaterialmodelhasitsownhistoryvariablesthatarestored.Foruserdefinedmaterialsitisimportanttostorethehistorydatathatisneededforplottingbeforethedatawhichisnotofinterest.给实体单元增加附加综合的点历史变量二进制数据库，综合点数据目的是储存记忆每个材料模型使它拥有自己的历史变量。对于使用者而言，定义材料对于储存历史数据是很重要的，在数据储存前需要对其进行描绘。NEIPSNumberofadditionalintegrationpointhistoryvariableswrittentothebinarydata-baseforbothshellandthickshellelementsforeachintegrationpoint,seeNEIPHabove.给薄壳和厚壳单元增加附加综合的点历史变量二进制数据库，看下面的NEIPH。MAXINTNumberofshellintegrationpointswrittentothebinarydatabase,seealso*INTEGRATION_SHELL.Ifthedefaultvalueof3isusedthenresultsareoutputfortheoutermost(top)andinnermost(bottom)integrationpointstogetherwithresultsfortheneutralaxis.IfMAXINTissetto3andtheelementhas1integrationpointthenallthreeresultswillbethe8same.Ifavalueotherthan3isusedthenresultsforthefirstMAXINTintegrationpointsintheelementwillbeoutput.Note:IftheelementhasanevennumberofintegrationpointsandMAXINTisnotsetto3thenyouwillnotgetmid-surfaceresults.SeeRemarksbelow.壳单元附加综合的点历史变量二进制数据库，可以参看*INTEGRATION_SHELL.如果采用默认值3，则结果输出的是最远（高）和最近（下）的综合点，结果包含中间轴坐标。如果设置为3，单元有一个综合点，则三个结果将相同。如果值超过3，则在单元中的第一个MAXINT综合点将会被输出。注意：如果单元拥有一系列综合点，而MAXINT没有被设置成3，则你将无法获得中间表面结果值，详见下面的附注。STRFLGSetto1todumpstraintensorsforsolid,shellandthickshellelementsforplottingbyLS-PREPOSTandASCIIfileELOUT.Forshellandthickshellelementstwotensorsarewritten,oneattheinnermostandoneattheoutermostintegrationpoint.Forsolidelementsasinglestraintensoriswritten.SIGFLGFlagforincludingstresstensorintheshellLS-DYNAdatabase:EQ.1:include(default),EQ.2:exclude.EPSFLGFlagforincludingtheeffectiveplasticstrainsintheshellLS-DYNAdatabase:EQ.1:include(default),EQ.2:exclude.RLTFLGFlagforincludingstressresultantsintheshellLS-DYNAdatabase:EQ.1:include(default),EQ.2:exclude.ENGFLGFlagforincludingshellinternalenergydensityandthicknessintheLSDYNAdatabase:EQ.1:include(default),EQ.2:exclude.CMPFLGOrthotropicandanisotropicmaterialstressandstrainoutputinloc...