教你设定ANSYS路径

关于ANSYS路径一、看一下GUI，有个感性认识注意：下表给出的是路径的基本要素。路径是通过 point 来定义的，这些 points 可以通过拾取节点或pionts 在工作面上的坐标或points 在总体直角坐标系中的坐标 来定义。在建立模型的时候，不同节点可能属于不同的坐标系。通过pionts 在工作面上的坐标 来指定points （这些points 可以不在模型上）1/92/9通过points 在总体直角坐标系中的坐标 来定义points3/9二、例子――使用路径PathName: Eightcharacter(maximum)nameassignedbytheuser.DefiningPoints: Thesearepointsinspaceornodes. Thepathexistsaslinesegmentsbetweenthesepoints. Youcanhaveupto1000ofthese.InterpolationPoints: ANSYScreatesinternalpointsevenlyspacedalongeachlinesegmentinthepath.Itinterpolatesthedatayouaskforatthesepoints.PathItems: Thesearethevaluesinterpolatedfromthemodelthatarestoredalongthepath.Eachpathcomeswithfourdefaultitems:XG,YG,ZG,andS.ThefirstthreearetheX,Y,Zpositionofeachinterpolationpointandthedistanceofthepointalongthepath,S.Theuserdefinesupto1.PATH,路径的名字,用于定义路径的point的个数（默认为2个）,数据集数dataset（默认为4个，x,y,z坐标，距离S）默认是30个,相邻两个用于定义路径的point之间划分分段数，默认分为20份，没有上限。path,exmp1,2,8,202.PPATH,P(鼠标拾取)/路径点号（pointnumber）,节点号（如果节点号指定的话，后面的通过point坐标将被忽略,总体直角坐标系下point的x坐标,point的y坐标,point的z坐标,在前后points之间生成internalpoints时要用的坐标系（如果这个地方什么也不填，将会用当前活动坐标系；如果前后两点的坐标系不同，将会用后面一点的坐标系）ppath,1,,0,0,.251号point在总体直角坐标系下的坐标；ppath,2,,0,0,1.252号point在总体直角坐标系下的坐标；1、2point间的InterpolationPoints生成用的是默认的当前活动坐标系3.PDEF,最多8个字符的PathItemslabel,Items,Comp,对单元结果是否进行单元间的平均处理（默认要作平均处理）pdef,ux,u,xpdef,uy,u,ypdef,uz,u,zpdef,usum,u,sum/yrange,-4,12plpath,ux,uy,uz,usum4/9三、其他的一些常用的有关路径的命令PATH Thisisthebigcommandthatsetsupapath.AlsouseitasPATH,nametochangetheactivepath.PPATH Definesthepointsforthepath.PMAP Usedtodefine howtheinterpolationpointsaredistributed .Bydefaulttheyare even ,butwiththiscommandyoucan putrefinement attheendsofeachlinesegmentorforceapointatadiscontinuity .(Accuratedivisns)PDEF Doestheinterpolationfromthemodelofsolutionvalues.PVECT Doestheinterpolationfromthemodelofgeometryvaluessuchasthetangent,normal,andradiusfromtheoriginalongthepath. Usedtochangetheactivepath.PVECT, Oper, LabXR,LabYR,LabZRInterpolates asetofitems ontoapath.OperValidoperationsforgeometryoperationsalongapathare:DefinesaunitnormalvectorateachinterpolationpointinthedirectionofthecrossproductofthetangenttothepathandtheNORM—.ResultingvectorcomponentsareactiveZaxisintheactivecoordinatesystem(whichmustbeCartesian).Definesaunit vector tangenttothepathateachinterpolationpoint .VectorcomponentsareinTANG —theactivecoordinatesystem(whichmustbeCartesian).5/9Definesthepositionvectorofeachinterpolation point ofthepathfromthecenterRADI —oftheactivecoordinatesystem(whichmustbeCartesian).LabXRLabel(8charactersmaximum)assignedtoX-componentoftheresultingvector.LabYRLabel(8charactersmaximum)assignedtoY-componentoftheresultingvector.LabZRLabel(8charactersmaximum)assignedtoZ-componentoftheresultingvector.PADELEUsedtodeletepaths.PADELEdeletesthecurrentpath,PADELE,ALLdeletesallofthemandPADELE,namedeletesthepath搉ame?PRANGEUsedtospecifywhatisactuallyplottedorlisted.PAGETUsedtowriteandreadpathinformationfromarrayvariables.ThisishowyougetyourpathinfointoAPDL.PAPUT(PathArray)PASAVEPathinformationdoesnotgetstoredinthe*.dbor*.rst.Ifyouwanttosaveyourdefinitions,thenusethePARESUcommandstowriteandreadthem.UsePSELtodeterminewhatpathsgetwrittenbeforeyouissuethePSELPASAVEcommand.(pathselect)PCALCYoucanusethiscommandtocreatenewpathitemsbydoingmathoperationsonexistingitems.Thisnotonlyincludesyourstandardadd/sub/mult/div/exp/sin/cos/asin/acos/log,butalsotheabilitytofindthederivativesandintegrals!PLPATHPlotspathitemsonanANSYSgraph.PLAGMDisplayspathitemsasaribbonplot.PRPATHPrintspathitems.PCROSSVectoroperations.PDOTPLSECTThisisusedtolinearizestressesanddisplaytheresultingvalues.Structuraltypeslovethiscommand.PRSECT/PBC,PATH,1Usethisvariationofthe/PBCcommandtoviewyourpathsinyourplotsofnodes,elementsandresults.6/9四、路径的其他一些妙用和注意利用路径来得到空间任一点的应力值path,pp,2,5,1ppath,1,,0,0,.35o ppath,2,,0,0,.35 !注意这两点是重合的，呵呵（ 0，0，0.35）pdef,sig1,s,1*get,s_z_p35,path,,last,sig1o *msg,,s_z_p35 ！输出一个mess