Hypermesh常見錯(cuò)誤和知識(shí)集錦剖析

1、1、幾何清理清除不必要的細(xì)小特征：孔倒角or(6itraints1234saveas.HpmiViE訓(xùn)|8000ctor1調(diào)用多個(gè)CPU45Constraint(1)Controls(1Response(2112192.168.8.76一遠(yuǎn)程桌面21:35廠2013/2/1OptiStructview.outByPropbulkinputfile:|E:/zhangxiao/dl32_DESIGN_TRUE_4load.femexportoptions:runoptions:customoptimizationmemoryoptions:upperlimitinMb廠ineludecormec

2、torsoptions:|-cre-門匚pLJspringy2、由點(diǎn)確定矢量方向N1,N2,N3用節(jié)點(diǎn)來定義方向或平面2點(diǎn)定義矢量方向(onlyN1andN2)3點(diǎn)定義平面或平面法向(N1,N2,andN3),按右手法則PlanedefinedbyN1,N2,N3DirectionisJLN3N1JnormaltoplaneO*:1PositivedirectionV、/isbyrighthand-N2rule3RROR#2502Afatalerrorhasbeendetectedduringinputprocessing:*ERROR#2502*Element549700hadincorre

3、ctnodenumberingsequenceandneedsrenumbering.*ERRORENCOUNTEREDBEFORECOMPLETINGTHECHECKRUN*(1)一般發(fā)生在修改網(wǎng)格之后，再刪除原來的網(wǎng)格的時(shí)候沒有將element549700刪掉，使得該單元上的節(jié)點(diǎn)與后來劃分的網(wǎng)格的節(jié)點(diǎn)出現(xiàn)矛盾沖突；先利用findid=549700刪掉該單元SavefoundF5-maskretrieve（選擇保存的）reverse（反選）mask只顯示549700單元了2ElyTopoTFQ11F1|璽ByComp十f夠”口bywindowonplanebywidthbygeomsbydo

4、mainsbypathdisplayedretrievebygroupbyadjacentbyhandlesbyineludeSillsaveduplicatebyattachedbyblockreversebyidbyconfigbyfacebyplybycollectorbyassemsbysetsbyoutputblockbylaminate4*ERROR#1237*CHEXAelementnumber26323referencesamissingpropertyID23orusespropertyofincorrecttypeforthiselementtype.（1）由于proper

5、tyID23（23號(hào)屬性定義有問題），沒有定義一個(gè)正確的單元類型;劈Editproperty回區(qū)I(2)這個(gè)地方容易沒有填，注意注意(3)網(wǎng)格劃分的質(zhì)量也有可能出現(xiàn)這個(gè)問題，重新劃分網(wǎng)格可以消除該錯(cuò)誤。(網(wǎng)格畫小)5*ERROR#2203*Error(s)encounteredduringelementcheck*ElementQualityCheckFailed-errorlimitsviolation*NOTE:Tobypasselementqualitychecks(exceptessentialvaliditychecks)usePARAM,CHECKEL,NO.Thismay,how

6、ever,causeverypoorresults.(1)單元質(zhì)量不好*ERROR#312*Instaticloadcasethecomplianceisnegativeorlarge1.875471E+13Optimization/bucklinganalysiscannotbeperformedduetopossiblerigidbodymodeFEASIBLEDESIGN(ALLCONSTRAINTSSATISFIED).(1)彈簧沒建好；網(wǎng)格劃分的不好節(jié)點(diǎn)不重合*FATALERROR#8111*vfileio:Failedwriteforfile0,i/o16384/0,name=./

7、dl32_DESIGN_TRUE_3load_parame_2624_00.scr.Thisislikelycausedbyinsufficientdiskspace*ERROR#151*Erroraccessingthescratchfiles:errorencounteredinsubroutinexdslifSolvererrorno.=-110index=1Thismaybecausedbyinsufficientdiskspaceorsomeothersystemresourcerelatedlimitations.(e.g.TheOperatingSystemorNFScannot

8、handlefilesize2GB.)Thiserrorwasdetectedinsubroutineprepslv4.(1)主要原因就是內(nèi)存不足，將該文件的工作目錄下的不必要文件刪掉或者是移走釋放該硬盤下的文件，釋放內(nèi)存就OK*ERROR#1479*ERROR#1000*ERROR#1000*intheinputdata:Incorrectdatainfield#3.Detectedwhilereadingline52569fromfileE:/MyResearch/hypermesh/2013-2-20-5question.fem:CHEXA434105272527152755274584

9、35846Thislinewasinterpretedas:52569:CHEXA,4341,0,5272,5271,5275,5274,5843,5846ExpectedINT0,foundINTEGER(0).Syntaxerror(s)foundinbulkdataCHEXAcard.Followingerror/warningmessagesappearedtoomanytimesandweresuppressed:10001494Totalof9979repeaterrormessage(s)weresuppressed.ToseemoremessagesuseMSGLMTcontr

10、olcardinthedataorconfigfile.(1)主要原因:component定義的property定義出現(xiàn)問題，可能component沒有附上property；可以將顯示設(shè)置為BVPf0P，這樣看是否有未付屬性的區(qū)域(顯示為灰色)*ERROR#23*ID1usedonCaseControldataSPCorSPCADDismissinginbulkdata.(1)主要原因：constraint，或者是load的定義為空，就是沒有數(shù)值；解決方法：將其他的collector隱藏，只顯示loadcollector，查找到未定義的load就定義上就Ok了（2）在定義loadstep時(shí)SP

11、C是約束，LOAD是載荷，注意可能這里弄反了10創(chuàng)建節(jié)點(diǎn)集即節(jié)點(diǎn)setsbywindowonplanebywidthbygeomsbydomainsbypathdisplayedretrievebygroupbyadjacentbi/haindiesbyincludeallsaveduplicatebyattachedbyblockreversebyidbyconfigbyfacebycollectorbyassemsbysetsbyoutputblockbylaminateIlZZITvectorsloadtypesinterfacescontrolcardsrGeomsystemscons

12、traintsrigidwallsoutputblockr1Dequationstemperaturesentityetsloadsteps2Dforcesfluxblocksr3Dmomentsloadongeomcoi/0.ctsurfsoptimizationAnalysispressuresJodiesRa.diossrTool/nsmOptiStructrPostname=|set1Fcreatenocardimageupdatesettype:non-orderedcardeditentity:nodesHreview|formulareturn|name=|set1createn

13、ocardimageupdatesetr|non-orderedcardeditentnodesnodes|Hreviewelems|sets|jrmulareturnllcreateupdsitecardeditreview11*ERROR#192*(1)優(yōu)化設(shè)計(jì)的topology中優(yōu)化最小尺寸定義的太小，改大一些可以解決*ERROR#842*DTPLorDSIZEcardwithsimultaneousPATRNandMASTERisnotsupported.violatedDTPLorDSIZEid=2(1)設(shè)計(jì)區(qū)域不能同時(shí)支持模式重復(fù)和對(duì)稱約束*ERROR#729*Anydesignp

14、ropertycanonlybereferencedbyoneDTPLorDSIZEcard.multi-referencedpropertyid=(1)設(shè)計(jì)區(qū)域不支持區(qū)域的重復(fù)。*ERROR#1815*VOLFRACisnotappliedtoatopologyorfree-sizingdomain.DRESP1ID=1*ERRORENCOUNTEREDBEFORECOMPLETINGTHECHECKRUN*ERRORENCOUNTEREDBEFORECOMPLETINGTHECHECKRUN*error14有部分單元未付屬性，需詳細(xì)檢查16修改背景顏色17hypermesh中的一些優(yōu)化設(shè)置

15、名稱的定義最大最小成員控制尺寸，最大成員控制尺寸倍平均尺寸，最小成員控制尺寸A3倍平均尺寸。體積分?jǐn)?shù)=(當(dāng)前迭代的總體積一初始非設(shè)計(jì)域體積)/初始設(shè)計(jì)體積。棋盤格是指在計(jì)算區(qū)域中初見材料密度為1和0的單元呈周期性分布的現(xiàn)象。棋盤格的出現(xiàn)導(dǎo)致優(yōu)化結(jié)果的信息不清，不利于新零件的設(shè)計(jì)制造。Hyperworks軟件中可通過checker對(duì)模型實(shí)施棋盤格控制。棋盤格控制checker=1.0，否則checker=0。（使網(wǎng)格更加平滑的過渡）離散變量參數(shù)在拓?fù)鋬?yōu)化中可用于使具有中間密度值得單元趨向于1或者0，減少密度在0到1之間的單元數(shù)量，這樣可以得到更加離散的結(jié)構(gòu)。Discrete離散參數(shù)用于2D和3D單元。2D單元推薦的取值范圍為02，3D推薦的范圍為03。（使網(wǎng)格最后更加離散化）迭代終止條件是定義迭代終止的規(guī)則，即當(dāng)相鄰兩次迭代目標(biāo)函數(shù)值的變化小于規(guī)定條件，同時(shí)滿足于約束條件時(shí)結(jié)束優(yōu)化迭代。根據(jù)優(yōu)化時(shí)目標(biāo)函數(shù)的數(shù)值大小定義。此處定義目標(biāo)容差Objtol=0.005MsdetimUnated*加載方式，四頂點(diǎn)加載向下20N的力，底部中心