Hypermesh常見(jiàn)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(mén)匚pLJspringy2、由點(diǎn)確定矢量方向N1,N2,N3用節(jié)點(diǎn)來(lái)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(lái)的網(wǎng)格的時(shí)候沒(méi)有將element549700刪掉，使得該單元上的節(jié)點(diǎn)與后來(lái)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(wèn)題），沒(méi)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(méi)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(wèn)題，重新劃分網(wǎng)格可以消除該錯(cuò)誤。(網(wǎng)格畫(huà)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(méi)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(pán)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(wèn)題，可能component沒(méi)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(méi)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(pán)格是指在計(jì)算區(qū)域中初見(jiàn)材料密度為1和0的單元呈周期性分布的現(xiàn)象。棋盤(pán)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(guò)checker對(duì)模型實(shí)施棋盤(pán)格控制。棋盤(pán)格控制checker=1.0，否則checker=0。（使網(wǎng)格更加平滑的過(guò)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