ANSYS云图显示的最大应力与列表显示的不一样

1、ANSYS云图显示的最大应力与列表显示的不同样ANSYS云图显示的最大应力与列表显示的不同样7/7ANSYS云图显示的最大应力与列表显示的不同样ANSYS云图显示的最大应力与列表显示的不同样在GUI方式下，需要封闭PowerGraph选项，云图才能与*get或List的结果一致。假如翻开PowerGraph选项，获得的是表面单元的节点均匀值，故不正确。以下是ansys的PowerGraphics的帮助PowerGraphics的特征(CharacteristicsofPowerGraphics)Displaysforlargemodelsareplottedatamuchgreaterspee

2、dthanwiththeFullModelmethod.,PowerGraphicsplotsquadratic(curved)surfacesformidsidenodeelements.,Thismethodcandisplaydiscontinuousresultsduetomaterialtypeandrealconstantdiscontinuities.Shellelementresultsaredisplayedatbothtopandbottomlayers,simultaneously.,YoucanusetheQuerypickingoptiontoquerysubgrid

3、resultsforsomeelementsinthePowerGraphicsisnotavailableforcircuitelements.WhenrequestedresultsdataarenotsupportedbyPowerGraphics,theresultsareoutputusingtheFullModelmethod.Resultsaveragingoccursusingonlythedataatthemodelsurface.Minimumandmaximumvaluesarevalidonlyfordataatthemodelsurface.,PowerGraphic

4、ssupportsonlytheresultscoordinatesystemforplottingresultsdata.(Theelements-basedcoordinatesystemisnotsupported.)何时使用PowerGraph,(WhentoUsePowerGraphics)UsingthePowerGraphicsdisplaymethodhasdistinctadvantages,sincegraphicsdisplaysareplottedatamuchfasterrateofspeedthanwiththeFullModelmethod.Inaddition,

5、PowerGraphicsproducesmorerealisticresultsatmaterialtypeandrealconstantdiscontinuitiesinthemodel.1和fullmodel对比，显示速度快;在模型的资料种类和实常数不连续时，获得更为真切的结果。从PowerGraphicsPlot中能获得什么结果,(WhattoExpectfromaPowerGraphicsPlot)SincePowerGraphicsplotsorlistingsaregivenfortheexteriorsurfaceofthemodel,youcanexpecttoseediff

6、erencesintheseresults,comparedtothosegivenwhenusingtheFullModelmethod.TheaveragingcalculationsforPowerGraphicsincluderesultsforonlythemodelsurface.Theaveragingcalculations,plots,andlistingsfortheFullModelmethodincluderesultsfortheentiremodel(interiorandseriously,carefullysetWeaving,preparing,serving

7、,afterimplementation,effortstoimproveconferencequalityandensureitseffectiveness.FurtherimprovementprogramtheChiefreception,publicity,receptionworkasshow,foreignexchangeandtorallysupportforWindowsguestsawarmwelcome,andestablishagoodimage.3,furtherexteriorsurfaces).Therefore,thePowerGraphicsandFullMod

8、elmethodsdisplayresultsvaluesdifferentlyfornodalresults(butnotforelementresults).PowerGraphicsmakestheEPLOT,APLOT,VPLOT,LPLOT,PLDISP,PLNSOL,andPRNSOLcommandsbehavedifferentlythanwiththeFullModelmethod.Fordetails,seethesecommandsdescriptionsintheCommandsReference.10.5.1.ViewingYourElementModelThesubg

9、ridapproachusedbyPowerGraphicsallowsyoutocontroltheamountofdisplayedelementcurvature.Youcanplotvaryingdegreesofcurvatureinyourmodelbyspecifyingthenumberoffacetstobeusedforelementdisplay.Facetsarepiecewiselinearapproximationsoftheactualcurverepresentedbytheelementfaceoredge.Youspecifythenumberoffacet

10、sperelementedgeusingoneofthefollowing:Command(s):/EFACETMainMenuGeneralPostprocOptionsforOutpGUI:UtilityMenuListResultsOptionsUtilityMenuPlotCtrlsStyleSizeandShapeThemorefacetsyouspecify,thesmoothertherepresentationoftheelementsurfaceforPowerGraphicsplots.Thesubgridapproachaffectsboththedisplayofgeo

11、metriccurvatureandthedisplayandprintoutofresultsquantities(displacements,stresses,etc.).However,whenyouusePowerGraphicsinPOST1forderivedquantitiesonsolidelements,themaximumvalueontheplotandthemaximumvalueintheprintoutmaynotagree.PowerGraphicsdisplaysdonotaverageatgeometricdiscontinuities.Theprintout

12、sinPowerGraphicswill,however,provideaveraginginformationatgeometricdiscontinuitiesifthemodelsdonotcontainshellelements.Carefullyinspectthedatayouobtainatgeometricdiscontinuities.10.5.2.PrintingandPlottingNodeandElementResultsYoucanlistdisplacements,stresses,andstrainsatallnodelocations(bothcornerand

13、midsidenodes),usingthePRNSOLcommand(UtilityMenuListResultsNodalSolution).Forshellelements,youcanlistresultsandplotthematthetop/bottomandmiddlelayerlocations.Likewise,thesenodalvaluescanbecontouredfordisplaypurposesusingthePLNSOLcommand(UtilityMenuPlotResultsContourPlotNodalSolution).Thenumberoffacet

14、sperelementedgethatyouspecifydeterminescontourresolutions.Notethatresultsvaluesforshellelementsaredisplayedsimultaneouslyforthetopandbottomlayers.WhenviewingnodalresultsusingPowerGraphics(PRNSOL,PLNSOL,ortheGUIQueryfunction),youcanaverageresultsinvariousways.Tochoosehowresultsareaveraged,usetheAVRES

15、command(MainMenuGeneralPostprocOptionsforOutporUtilityMenuListResultsOptions).(AVREShasnoeffectontheDegreeofFreedomsolutionvalues(UX,UY,TEMP,etc.).Youcanaverageresultsatallboundaries(default),oratallboundariesexceptwhererealconstantand/ormaterialdiscontinuitiesexist.Resultsarenotaveragedatgeometricd

16、iscontinuities.Noteseriously,carefullysetWeaving,preparing,serving,afterimplementation,effortstoimproveconferencequalityandensureitseffectiveness.FurtherimprovementprogramtheChiefreception,publicity,receptionworkasshow,foreignexchangeandtorallysupportforWindowsguestsawarmwelcome,andestablishagoodima

17、ge.3,furtherInFullGraphicsmode,itispossibletodeselectanindividualnode,selectallelements(includingtheelementthatcontainsthatnode),andthenperformpostprocessingcalculationsonthoseelementsandhavethatunselectednodenotbeconsideredinthosecalculations.However,ifPowerGraphicsisactivepostprocessingalwaysdispl

18、aysbasedonselectedelements.TheminimumandmaximumresultsvaluesreportedforyourPowerGraphicsplotwillbebasedonthesurfacedata.Forstressesandstrains,thesevalueswillusuallybeacceptable.Somethermalresults,however,willhaveinternalminimumormaximumvalues,anderroneousvalueswillbereported.Youmayneedtoswitchtofull

19、modelgraphics.PlottingandprintingofelementresultsaresimilartothatfortheFullModelgraphicsmethod;youusethePLESOLorPRESOLcommand,oroneofthefollowingGUIpaths:PLESOL,Command(s):PRESOLMainMenuGeneralPostprocPlotResultsContourPlotElementSoluUtilityMenuPlotResultsContourPlotElemSolutionGUI:MainMenuGeneralPo

20、stprocListResultsElementSolutionUtilityMenuListResultsElementSolutionTheprogramunaveragesnodalresultsandsortsthembyelementnumber.Averagingresultsdoesnotaffectelementresultsplots.Resultsareforallnodallocationsonthemodelsurface.Ifyouissuedthe/EFACET,1command,theresultsforthemidsidenodesarenotlisted.PowerGraphicsdoesnotsupportsafetyfacto