在LSPrepost建立sph模型的详细过程.docx
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在LSPrepost建立sph模型的详细过程.docx
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在LSPrepost建立sph模型的详细过程
repost关
键操作
1.模型建立
立方体模型
SphGen
SWGen
BbckM
SurMesh
nLMeali
Smooth
KMesh
BulkF
TetMesh
BestFrt
Curves
Surface
ChainH
TTMesh
Mas^Tr
MeLine
HIPZD1
SQual
PeneCk
nHS
Morph
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Part编号
起始节点号:
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Part第一个节点号
码
粒子密体模型
起始坐标
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MV100/^
HZID/
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沿三个坐标轴方向的节点数
球体
球体半径
球心坐标
沿三个坐标轴方向的节点数
圆柱体模型
圆柱
底部中心坐标
圆柱半径
圆台/锥模型
方向坐标
轴向节点数
-一-圆柱高
径向节点数,一般设置相同
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Direction
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Den:
SphGen
SWGen
RlockM
SurMesh
nLMesh
Smooth
2Dmesh
BMesh
KulkF
Tetf-leshi
B«tfit
Curves
Surface
ChainM
TTMesh
f-la^sTr
DieLine
HIP201
SQual
PtneCk
IIHS
ShowG
Morph
数据库
底部中心
坐标
SphGera
SWGen
BlockM
Surne«h
nLHesh
Smooth
3Dme«h
BMesh
BulkF
TetMesh
BestFit
Curves
^urfjee
ChainM
TTMmh
Ma«Tr
Dieline
HIP201
^Qual
P«n«€k
UH&
SbowG
Morph
rSpf1gefieratinninterface
Q 圆台/锥 方向坐标 Direction 圆台高 圆台底部半径 Polar 圆台顶部半径 Fil毗100^・100.0 Method: or L“: 剳 Rad2tB PID;1 径向节点数, 般设置相同 轴向节点数 2.参数定义 *DATABASE_FORM计算结果输出格式 输出结 果格式 数据库 *Airbag *Dba^e *Mat *Ale *Define *Node *Boundry *Elem *Param ^Cnstnid *P^rt *€om(>nt ^Hrglass *Rgdwal *Contact *Initial *Sedtion ^Control *Intgrtn *5et *Def3Rg *Intrfs< ^Termnt *DBmping -1 *Load •User 6 D 13J4s -a']洽于旷吒八孟 吹*PARAMO IFORM 1BJNARY COMHEFrTj AcceptDeleteDefaultDone ^DATABASE.FORIIAT(0) Edit 0(>ne All Model (刃1)Setting EXTENT_SSSTAT FOR iirn11iliQihii1ii5-iQiiiIiiiii1hiii4Qiii1hii J*l11u1111DiQiiiiii.*iQ1111nn rrr -*BATAJAS2PORRkT «0 IFORMOutputformatforD3PLOTandD3THDTfiles : LS-DYNAdatabaseformat(default), : ANSYSdatabaseformat, : BothLS-DYNAandANSYSdatabaseformats. IBINARYWordsizeofthebinaryoutputfiles(D3PLOT,D3THDT,D3DRLFandinterfacefilesfor64bitcomputersuchasCRAYandNEC. : default64bitformat, : 32bitIEEEformat Remarks: 1.Thisoptionisnotavailableforeveryplatform.CheckLS-DYNABanneruponexecutionoftheprogram 2.Byusingthisoptiononecanreducethesizeofthebinaryoutputfiles whicharecreatedby64bitscomputersuchasCRAYandNEC.二进制9 *DATABASEEXTENTBIN结果输出控制 输出二进 制结果 NEIPHNumberofadditionalintegrationpointhistoryvariableswrittento thebinarydata-baseforsolidelements.Theintegrationpointdataiswritteninthesameorderthatitisstoredinmemory-eachmaterialmodelhasitsownhistoryvariablesthatarestored.Foruserdefinedmaterialsitisimportanttostorethehistorydatathatisneededforplottingbefore thedatawhichisnotofinterest. 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*INTEGRATIONSHELLIfthedefaultvalueof3isusedthenresults areoutputfortheoutermost(top)andinnermost(bottom)integrationpoints togetherwithresultsfortheneutralaxis.IfMAXINTissetto3andtheelementhas1integrationpointthenallthreeresultswillbethesame.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MAXIN综合点将会被输出。 注意: 如果单元拥有一系列综合点,而MAXIN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-PREPOSTndASCIIfileELOUT.Forshellandthick shellelementstwotensorsarewritten,oneattheinnermostandoneattheoutermostintegrationpoint.Forsolidelementsasinglestraintensoriswritten. SIGFLGFlagforincludingstresstensorintheshellLS-DYNAdatabase: : include(default), : exclude. EPSFLGFlagforincludingtheeffectiveplasticstrainsintheshellLS-DYNAdatabase: : include(default), : exclude. RLTFLGFlagforincludingstressresultantsintheshellLS-DYNAdatabase: : include(default), : exclude. ENGFLGFlagforincludingshellinternalenergydensityandthicknessintheLSDYNAdatabase: : include(default), : exclude. CMPFLGOrthotropicandanisotropicmaterialstressandstrainoutputinlocalmaterialcoordinatesystemforsolids,shellsandthickshells. : global, : local. IEVERPEveryplotstatefor“d3plot”databaseiswrittentoaseparatefile.Thisoptionwilllimitthedatabaseto1000states: : morethanonestatecanbeoneachplotfile,: onestateonlyoneachplotfile. BEAMIPNumberofbeamintegrationpointsforoutput.Thisoptiondoesnotapplytobeamsthatusearesultantformulation. DCOMPDatacompressiontoeliminaterigidbodydata: : off(default),norigidbodydatacompression, : on,rigidbodydatacompressionactive, : off,norigidbodydatacompression,butnodalvelocitiesandaccelerationsareeliminatedfromthedatabase. : on,rigidbodydatacompressionactiveandnodalvelocitiesandaccelerationsareeliminatedfromthedatabase.SHGEOutputshellhourglassenergydensity: : off(default),nohourglassenergywritten, : on. STSSZOutputshellelementtimestep,mass,oraddedmass: : off(default), : outputtimestepsize, : outputmass,addedmass,ortimestepsize.Seeremark3below.N3THDTMaterialenergywriteoptionforD3THDTdatabase : off,energyisNOTwrittentoD3THDTdatabase, : on(default),energyiswrittentoD3THDTdatabase.IALEMATOutputsolidpartIDlistcontainingalematerials. : on(default) NINTSLDNumberofsolidelementintegrationpointswrittentotheLS-DYNAdatabase.Thedefaultvalueis1.Forsolidswithmultipleintegrationpoints NINTSLDmaybesetto8.Currently,noothervaluesforNINTSLDareallowed.Forsolidswithmultipleintegrationpoints,anaveragevalueisoutputifNINTSLDissetto1. PKP_SE! Flagtooutputthepeakpressureandsurfaceenergycomputedbyeachcontactinterfaceintotheinterfaceforcedatabase.Toobtainthesurfaceenergy,FRCENGmustbesentto1onthecontrolcontactcard.WhenPKP_SEN=1,itispossibletoidentifytheenergiesgeneratedontheupperandlowershellsurfaces,whichisimportantinmetalformingappli-cations.ThisdataismappedaftereachH-adaptiveremeshing. : Nodataiswritten : Outputthepeakpressuresandsurfaceenergybycontactinterface SCLPAscalingparameterusedinthecomputationofthepeakpressure.Thisparameterisgenerallysettounity(thedefault),butitmustbegreaterthan0. MSSCLOutputnodalinformationrelatedtomassscalingintotheD3PLOTdatabase.ThisoptioncanbeactivatedifandonlyifDT2MS<,seecontrolcard*CONTROL_TIMESTEP.ThisoptionisavailablestartingwiththesecondreleaseofVersion971. : Nodataiswritten : Outputincrementalnodalmass : Outputpercentageincreaseinnodalmass THERMDutputofthermaldatatod3plot.Theuseofthisoption(THERM>0)may makethedatabaseincompatiblewithother3rdpartysoftware. : (default)outputtemperature : outputtemperature : outputtemperatureandflux : outputtemperature,flux,andshellbottomandtopsurfacetemperatureRemarks: 1.IfMAXINTissetto3thenmid-surface,inner-surfaceandouter-surfacestressesareoutputatthecenteroftheelementtotheLS-DYNAdatabase. Foranevennumberofintegrationpoints,thepointsclosesttothecenter areaveragedtoobtainthemidsurfacevalues.Ifmultipleintegrationpoints areusedintheshellplane,thestressesatthecenteroftheelementare foundbycomputingtheaverageofthesepoints.ForMAXINTequalto3LS-DYNAassumesthatthedatafortheuserdefinedintegrationrulesareorderedfrombottomtotopevenifthisisnotthecase.IfMAXINTisnotequalto3,thenthestressesatthecenteroftheelementareoutputintheorderthattheyarestoredfortheselectedintegrationrule.Ifmultiplepointsareusedinplanethestressesarefirstaveraged. 2.BeamstressesareoutputtotheLS-DYNAdatabaseifandonlyifBEAMIP isgreaterthan zero.Inthislattercasethedatathatisoutputiswritteninthesameorderthattheintegrationpointsaredefined.Thedataateachintegrationpointconsistsofthefollowingfivevaluesforelastic-plasticHughes-Liubeams: thenormalstress,? rr;thetransverseshearstresses,? rsand? tr;the effectiveplasticstrain,andtheaxialstrainwhichislogarithmic.Forbeamsthatarenotelastic-plastic,thefirsthistoryvariable,ifany,isoutput insteadoftheplasticstrain.ForthebeamelementsofBelytschkoandhiscoworkers,thetransverseshearstresscomponentsarenotusedintheformulation.NodataisoutputfortheBelytschko-Schwerresultantbeam. 3. Ifmassscalingisactive,theoutputofthetimestepsizerevealslittleinformationaboutthecalculation.Ifglobalmassscalingisusedforaconstanttimestep,thetotalelementmassisoutput;however,ifthemassisincreasedsothataminimumtimestepsizeismaintained(DT2MSsnegative),theaddedmassisoutput.Also,seethecontrolcard*CONTROL_TIMESTEP. 输出时间 步长DTTimeintervalbetweenoutputs. CYCLO
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- 关 键 词:
- LSPrepost 建立 sph 模型 详细 过程