Hypermesh前處理建模技巧

隨堂筆記硬點(diǎn)：幾何上面的點(diǎn)point每天下午四點(diǎn)準(zhǔn)時(shí)把當(dāng)天所畫(huà)模型發(fā)一份過(guò)來(lái)進(jìn)行反饋節(jié)點(diǎn)：網(wǎng)格上的點(diǎn)node組件管理器部件管理器當(dāng)前層建模第一步抽中面比較薄的鈑金件都在中面上面畫(huà)殼網(wǎng)格noclgeditiBmpriDdesdistftnDepointe『1#噌輪爭(zhēng)立linBSlineeditlengthid-ta■十WsurlocBSsurfaceeditdel&Bdtuiemid^urloDBdinriBnsiariing彳曼即Conp■煎■Isdids&o]jylMil卻?-js：WquickeditedgeeditpaihleditautaclBoriup療Geom廣10廣2D廣3D廠Ana^is第二步檢查中面有沒(méi)有問(wèn)題第三步清理幾何常用快捷鍵rToolrPns1功能鍵『命令『MhiftFF1■更改顏色ColorsF21刪除delete1編輯節(jié)點(diǎn)T&nnpnode3F3合并節(jié)點(diǎn)replaceh1查找自由邊界EdgespF4P測(cè)量距離distanced平移TirainslatEJF5隱藏maskP查找FimdzF&單兀蝙輯elementedit切分SplitsF7■節(jié)點(diǎn)共線排列alignnode1投影Projecth1FSP創(chuàng)建點(diǎn)createnode*3節(jié)點(diǎn)編輯NodeeditPF9線編輯lineeditP曲面編輯Surfedit】F10P單元質(zhì)量檢查checkelement1查找法向Normals^快速幾何編輯collectors管理0「且如丘已4F12P自動(dòng)網(wǎng)格劃分automeshPSmooth】

清理幾何的要求1、兩條距離很近的平行線要壓縮（拓?fù)洌┮粭l—TrA?！鰏plitsurf-node:nodenode令HMsplitsurf-line:nodeline蘭washersplit:line(s)offsetvalue:0.100unsplitsurf:lirie(s)toggleedge:line(s)toIerance:0.010Hillersurf:line(s)deletesurf:surf(s)容差：簡(jiǎn)單理解是給定給電腦的一個(gè)搜索范圍值通過(guò)兩個(gè)硬點(diǎn)創(chuàng)建線splitsurf-node:splitsurf-line:washersplit:目h目IVV3.一nodenode三nodeline蘭line(s)offsetvalue:|0.100unsplitsurf:toggle巳cig巳：line(s)line(s)tolerance:P0.100fillersurf;line(s)deletesurf:surf(s)splitsurf-node:nodenodesplitsurf-line;nodelinewashersplit:line(s)offsetvalue:unsplitsurf:line(s)toggleedge:lire(s)tolerance:fillersurf:lins(s)deletesurf;surf(s)通過(guò)一個(gè)硬點(diǎn)創(chuàng)建一條垂直于所選線的直線0.1000.100Jk.JlWasher創(chuàng)建命令Washer：只在螺栓孔上做，為了模擬墊片的受力情況splitsurf-node:nodenodesJksplitsurf-line:nodelines蘭washersplit:unsplitsurf:line(s)line(s)offsetvalue:|0.100toggleedge:line(s)tolerance:0.100fillersurf:deletesurf:line(s)surf(s)

只能刪除自己增加的邊界線，原有的邊界線不能操作splitsurf-node:splitsurf-line:washersplit:unsplitsurf:toggleedge:fillersurf:splitsurf-node:splitsurf-line:washersplit:unsplitsurf:toggleedge:fillersurf:deletesurf:nodenodes▲nodelinesA.Tliri白伊）offsetvalue:3.7E0line(s)line(s)tolerance:0.010lire^s)surf(s)adjusVsetdensity:line(s)line(s)rejectreplacepointpoint(s)retainadd/removepoint:point(s)addpointonline:line(s)no.ofpoints:1releasepointpoint(s)projectpointpoint(s)linetrim-intersect:nodenode1returnII只可在圓角很小的時(shí)候才用adjust/setdensily:line(s)line(s)rejectreplacepoint:point(s)retainadd/removepoint:pciintfX)addpointonline:line(s)no.ofpoints:3releasepoint:point(s)projectpointpoint(s)line_Lltrim-intersect:nodenode1「Eurn||

2D網(wǎng)格劃分F12▼|切rlsHelerriBiMsizB=|▼|切rlsHelerriBiMsizB=|B.000tE-lBmstasurfcomp傳siceQuidbimrQIDplirnizenresht/pe:▼〔□>mixBd|*firetarderkeepconneclMfyredgedevialionrsurlacedeviBlionLrigidbadyms^li<|inteigrti四How:廠alignmap匠血白匠skfiixPlinkopposileedges網(wǎng)格劃分遵循分塊劃分原則設(shè)置快捷鍵的方法VPlotsPreferences|Applicationj;He-lpGeometryOptionsMeshingOptionsCriteriaFileSettingsParametersFileSettingsCkieckElernentSettingsifo:D:/z^npeixun/zhou^GjaphicsColorsGraphicsFilesLightingMenuConfigFVageNameK-e'r'boardSettingsUserProfilesPrevious[HyperMesh)2D單元檢查QilaiaO-e±sOnraijIndkiduelMethcck；TMinSize[73.0001MinindnoimdlieedhrijitTMaxSize173】「mAspectRatioP3.COJHypeiMeshTWmrpageP15.CO3Hy>；-Mc；kTMawIrtcrtr^ncjeQudd171E.WJMinInteriorAngleQuad17mrniMaxIrtercc.^r^eTlia9iza.omMinInteriorAngleIrePJd.LUJGkwi17CD.C03H^pciMeshTJacobian17Il.ECOAtrtearaiionpiirtsTCkcrdalDevialicnrironSdH&15.CO3Tagetelemenl:?ize:m.oogFAdvjarcedCriteriarableMinSizeOnFallUserinputBasedcntime引印3.000imMatsiidl.ICu&tam乎'/oung^modulus:|300000.0"r~UssmrilengthhemlimstlspcalculatorKm|0<CcrLe翹曲四邊形網(wǎng)格比三角形精度高雅克比弦差自由節(jié)點(diǎn)檢查命令shift+F3|l?斤i.kii卜卜?|TTQ*-O‘@$ErOomp*翰■?！甒"fS專(zhuān)|vedordieplB^1normals|displaynarmaJs5irg=:0.000禎陽(yáng)1用叮川I-displayadjuslerlonly—借臼「心mMw.單元法向需要一致;檢查命令shift+F10id爭(zhēng)E頃花elemenls■compsH|■TsurfsDriBntaliDn:』河M|relurn不能有重復(fù)單元檢查命令F10血尊匠弟AT*?■.爭(zhēng)您f

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非加呼…failBd■standard[returnI3D網(wǎng)格的劃分（鉸鏈練習(xí)）一、基本原則：厚度大于等于4mm的部件必須采用實(shí)體網(wǎng)

格劃分，厚度超過(guò)2.5mm的部件建議采用實(shí)體網(wǎng)格劃分，且實(shí)體網(wǎng)格至少為三層單元。、分類(lèi)：四面體、六面體（精度高）三、六面體劃分具體操作:1、打開(kāi)模型2、刪除體特征:F2solid刪除solid后的模型，注意跟之前模型對(duì)比3、清理幾何4、切分體：Geomsurfacerrk**律*予A廠AlJiDC4-BP1B|)TBBBCl瘁口1切Iine$r◎*■?-C?*-室BpCcmpcreate明iect廠KeepiztngenG^飽rnII飽rnIIt|Lin明Ccopci泄rrt5、劃分殼網(wǎng)格（5mmX5mm）,并檢查質(zhì)量，可不檢查（最小尺寸，長(zhǎng)寬比，雅克比）

6、生成3D網(wǎng)格（以solidmap為例）：3Dsolidmap

7、檢查3D網(wǎng)格質(zhì)量（無(wú)自由節(jié)點(diǎn)，自由邊）:豹&匝如It?零爭(zhēng);*Auid，輪里印蜘，蠹，丁，W耶a(chǎn)ssembliesfindtanslBfiecheckelemsnumbersrGeomorganirBmsskrotateedgesnsnumberrIDcolordelelescale電EXcountr￡□renamereleDtfeaturesUriahscdId.■■:：'reorderpiDiednoimalBrAnalysisLnnr-ertpasdiQhdependencyFkperMarphFToolbuildmenupemnulepeh&lraJbanr-Post8、刪除表面2D網(wǎng)格

9、moveYXO匡Q焰Aassembliesfind^uto▼■C/**r?translatecl-organizemaskrotatecolordeletescalerene.rnereflectreorderprojectconvertpositiondibuildmenupermuteF=滑移門(mén)建模（8mmx8mm）需看資料PDFB「SGMW

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0330-2012

整車(chē)有限…PDFB「SGMW

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0330-2012

整車(chē)有限…：4^*?蚓3C孕輪爭(zhēng)主山■@I璧即匚咬▼嚼，勵(lì)”?”◎”作點(diǎn)、washer做法washer是為了模擬墊片的受力，因此只有螺栓孔才做washer，其他孔都不需要做washer1.用F4量出孔徑大小rhvonodspaim1廣IhnBBnodg&point2distance■xdisi=i1.ooai■半ci0.0001uciin舊b■購(gòu)m&b?pointeydi&t=o.ooa廣threepainlszdis1=11.ODO咿1H1pair'll^坨湖,wn-^r^lum2.參照規(guī)范標(biāo)準(zhǔn)作出washerBT-SGMWJ0330-2012整空有限…

表5螺栓孔處理北的.直徑，mm處理節(jié)點(diǎn)數(shù)Tasher盤(pán)數(shù)Washer厚度07.D形孔增如點(diǎn)在中心KANANA5.0-7.&刊繞陽(yáng)周劃分網(wǎng)格，不撤miher處理10NA孔5?9□禺繞阿周劃分網(wǎng)格，撤叫sher處理613.759,5~13.&困饒網(wǎng)周劃分網(wǎng)格，磁晌砒1燈姓理823.75T-013.0^-17.0困繞網(wǎng)周劃分網(wǎng)格，washer姓理1013.7517.0-21.0圍眺圓劇切分網(wǎng)格.悝麗imher姓理?一〔13.7521.0-30.0困繞阿周劃分網(wǎng)格，is^Sher姓理^141&.0>30不進(jìn)仙特殊處理?；ANA;I目?目1rI3；—=■Jk.7splitsurf-node:nodenodesplitsurf-line:nodelinesJLTwashersplitline(s)offsetvalue:3.750unsplitsurf:line(s)1toggleedge:line(s)tolerance:4e-03fillersurf:line(s)delelesurf:su儺）3、四邊形孔處理方法（兩種情況比較，自己判斷優(yōu)劣）順著網(wǎng)格走向布置節(jié)點(diǎn)與網(wǎng)格走向成了一定角度三、包邊的處理方法1、將外板包邊邊界投影到內(nèi)板上Geomsurfaceedit「世illirin[jp!0、y--lv'7EE.―'ilmxddisurl^planeC川trimr伯e，「:li:-ink"l|?r-asurfsdragacutline[7:ticdHlirernormaltosurfaceenuresuirace"keeplineendpoints『「世illirin[jp!0、y--lv'7EE.―'ilmxddisurl^planeC川trimr伯e，「:li:-ink"l|?r-asurfsdragacutline[7:ticdHlirernormaltosurfaceenuresuirace"keeplineendpoints『selectclosedoapsIrin

reject2、刪除外板包邊及外板包邊在內(nèi)板上的投影區(qū)域Vifi—Ji-^CI-!l+5、生成包邊網(wǎng)格（注：當(dāng)內(nèi)外板網(wǎng)格全部完成后在進(jìn)行這步操作）2Druled包邊要求，盡量不要有三角形，出現(xiàn)三角形可以將三角形移到內(nèi)外板上去賦材料屬性鋼材的參數(shù)匚1［二::■][NU][RHD]二MAT1L.LJ.L1±||「=?UL.J.J[/n-一3.n.‘1[MCSID]玻璃的參數(shù)[NU][RHO]：?<IILI:l-L.!-■r1-.：.ii(j3「?9mT4r1i1。1?!.-■!■'IIWII必：||l?‘TII)]焊點(diǎn)的參數(shù)ID」[Fl■riir[-1[T-：F=[''.Fl"r】.-匚|：1口*D51Irrlun?.[3_]二二[MCSID]膨脹粘膠的參數(shù)L-.項(xiàng)."LI[l土.■:.oii■：^nhoioiii"0:-■-■!|;|||卜;：.|I■:■:I[MCSID]結(jié)構(gòu)粘膠的參數(shù)[E][NU][RHO][150000r036Q1?e-Q9給部件賦予材料是指給部件加上一些計(jì)算所需用到的一些影響其性能的參數(shù)，如彈性模量E，泊松比NU，密度RHO等等，不同的計(jì)算會(huì)用到不同的參數(shù)。一、創(chuàng)建材料具體做法1、創(chuàng)建材料管理層，如steel，并選擇相應(yīng)類(lèi)型2、選擇create/edit命令，輸入相應(yīng)參數(shù)3、按esc建退出即可，軟件提示材料已經(jīng)創(chuàng)建Thematerielwascreated.二、創(chuàng)建屬性屬性包括部件的厚度，及所畫(huà)網(wǎng)格的類(lèi)型信息，如2D,3D具體做法1、創(chuàng)建屬性管理層2、選擇create/edit命令，輸入相應(yīng)參數(shù)'I]正叮~hir[H2_T3][TS_TJ[NSM]-j-LL_l.■.ljlJlj■■j.j■.1uL-.ulJ:.：ij.-j.3d不需編輯厚度，系統(tǒng)默認(rèn)取網(wǎng)格的厚度(S*cteslepropname-|3dczrealeLupdate口gdIofcreate/editLassigntypm二JJD虧|cardirr舊|—LID[MANIFOL□_E□LI□_日REF_2"E.PFiT—TI注：包邊的厚度是內(nèi)板厚度加外板厚度三、更新部件

camp：-□colorc&KJirraqe=pRpBriy.cardimoggcamp：-□colorc&KJirraqe=pRpBriy.cardimogg=molenal=cardimaqa:si洞ktATIComponents:Update調(diào)干涉，穿透注意：只有當(dāng)所有部件都賦予屬性后才能查出干涉和穿透情況，允許有0.1的干涉，但不能有穿透（碰撞安全模型不能有干涉）a&senilaliesfindlj^n$|plecheckeleinsnumbererSeomorgonizemask「血卮adges啊頃如rIDcutr口曲cesc^leleces0JUITI：rZDiBDOJ'iiersfleolleolu^sIrlMSLO1Cr_3Draonierprajeclriomolsmgs/An品沖convnrlpoEilinnjrftfp=n&&hc^H/parMnq^h\0buildrra仙permule［口5肥1段時(shí)r"TostID穿透干涉有部件沒(méi)賦予屬性ResultsID穿透干涉有部件沒(méi)賦予屬性ffgrsectionglenetrations[%(UnspecifiedThicknesTj?^

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