Hypermesh前处理建模技巧

随堂笔记硬点：几何上面的点point每天下午四点准时把当天所画模型发一份过来进行反馈节点：网格上的点node组件管理器部件管理器当前层建模第一步抽中面比较薄的钣金件都在中面上面画壳网格noclgeditiBmpriDdesdistftnDepointe『1#噌轮争立linBSlineeditlengthid-ta■十WsurlocBSsurfaceeditdel&Bdtuiemid^urloDBdinriBnsiariing彳曼即Conp■煎■Isdids&o]jylMil却♦-js：WquickeditedgeeditpaihleditautaclBoriup疗Geom广10广2D广3D厂Ana^is第二步检查中面有没有问题第三步清理几何常用快捷键rToolrPns1功能键『命令『MhiftFF1■更改颜色ColorsF21删除delete1编辑节点T&nnpnode3F3合并节点replaceh1查找自由边界EdgespF4P测量距离distanced平移TirainslatEJF5隐藏maskP查找FimdzF&单兀蝙辑elementedit切分SplitsF7■节点共线排列alignnode1投影Projecth1FSP创建点createnode*3节点编辑NodeeditPF9线编辑lineeditP曲面编辑Surfedit】F10P单元质量检查checkelement1查找法向Normals^快速几何编辑collectors管理0「且如丘已4F12P自动网格划分automeshPSmooth】

清理几何的要求1、两条距离很近的平行线要压缩（拓扑）一条—TrA。■splitsurf-node:nodenode令HMsplitsurf-line:nodeline兰washersplit:line(s)offsetvalue:0.100unsplitsurf:lirie(s)toggleedge:line(s)toIerance:0.010Hillersurf:line(s)deletesurf:surf(s)容差：简单理解是给定给电脑的一个搜索范围值通过两个硬点创建线splitsurf-node:splitsurf-line:washersplit:目h目IVV3.一nodenode三nodeline兰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)通过一个硬点创建一条垂直于所选线的直线0.1000.100Jk.JlWasher创建命令Washer：只在螺栓孔上做，为了模拟垫片的受力情况splitsurf-node:nodenodesJksplitsurf-line:nodelines兰washersplit:unsplitsurf:line(s)line(s)offsetvalue:|0.100toggleedge:line(s)tolerance:0.100fillersurf:deletesurf:line(s)surf(s)

只能删除自己增加的边界线，原有的边界线不能操作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只可在圆角很小的时候才用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网格划分F12▼|切rlsHelerriBiMsizB=|▼|切rlsHelerriBiMsizB=|B.000tE-lBmstasurfcomp传siceQuidbimrQIDplirnizenresht/pe:▼〔□>mixBd|*firetarderkeepconneclMfyredgedevialionrsurlacedeviBlionLrigidbadyms^li<|inteigrti四How:厂alignmap匠血白匠skfiixPlinkopposileedges网格划分遵循分块划分原则设置快捷键的方法VPlotsPreferences|Applicationj;He-lpGeometryOptionsMeshingOptionsCriteriaFileSettingsParametersFileSettingsCkieckElernentSettingsifo:D:/z^npeixun/zhou^GjaphicsColorsGraphicsFilesLightingMenuConfigFVageNameK-e'r'boardSettingsUserProfilesPrevious[HyperMesh)2D单元检查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翘曲四边形网格比三角形精度高雅克比弦差自由节点检查命令shift+F3|l•斤i.kii卜卜•|TTQ*-O‘@$ErOomp*翰■。‘W"fS专|vedordieplB^1normals|displaynarmaJs5irg=:0.000祯阳1用叮川I-displayadjuslerlonly—借臼「心mMw.单元法向需要一致;检查命令shift+F10id争E顷花elemenls■compsH|■TsurfsDriBntaliDn:』河M|relurn不能有重复单元检查命令F10血尊匠弟AT*©■.争您f

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非加呼…failBd■standard[returnI3D网格的划分（铰链练习）一、基本原则：厚度大于等于4mm的部件必须采用实体网

格划分，厚度超过2.5mm的部件建议采用实体网格划分，且实体网格至少为三层单元。、分类：四面体、六面体（精度高）三、六面体划分具体操作:1、打开模型2、删除体特征:F2solid删除solid后的模型，注意跟之前模型对比3、清理几何4、切分体：Geomsurfacerrk**律*予A厂AlJiDC4-BP1B|)TBBBCl瘁口1切Iine$r◎*■«-C?*-室BpCcmpcreate明iect厂KeepiztngenG^饱rnII饱rnIIt|Lin明Ccopci泄rrt5、划分壳网格（5mmX5mm）,并检查质量，可不检查（最小尺寸，长宽比，雅克比）

6、生成3D网格（以solidmap为例）：3Dsolidmap

7、检查3D网格质量（无自由节点，自由边）:豹&匝如It•零争;*Auid，轮里印蜘，蠹，丁，W耶assembliesfindtanslBfiecheckelemsnumbersrGeomorganirBmsskrotateedgesnsnumberrIDcolordelelescale电EXcountr£□renamereleDtfeaturesUriahscdId.■■:：'reorderpiDiednoimalBrAnalysisLnnr-ertpasdiQhdependencyFkperMarphFToolbuildmenupemnulepeh&lraJbanr-Post8、删除表面2D网格

9、moveYXO匡Q焰Aassembliesfind^uto▼■C/**r©translatecl-organizemaskrotatecolordeletescalerene.rnereflectreorderprojectconvertpositiondibuildmenupermuteF=滑移门建模（8mmx8mm）需看资料PDFB「SGMW

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整车有限…：4^*©蚓3C孕轮争主山■@I璧即匚咬▼嚼，励”♦”◎”作点、washer做法washer是为了模拟垫片的受力，因此只有螺栓孔才做washer，其他孔都不需要做washer1.用F4量出孔径大小rhvonodspaim1广IhnBBnodg&point2distance■xdisi=i1.ooai■半ci0.0001uciin旧b■购m&b™pointeydi&t=o.ooa广threepainlszdis1=11.ODO咿1H1pair'll^坨湖,wn-^r^lum2.参照规范标准作出washerBT-SGMWJ0330-2012整空有限…

表5螺栓孔处理北的.直径，mm处理节点数Tasher盘数Washer厚度07.D形孔增如点在中心KANANA5.0-7.&刊绕阳周划分网格，不撤miher处理10NA孔5〜9□禺绕阿周划分网格，撤叫sher处理613.759,5~13.&困饶网周划分网格，磁晌砒1灯姓理823.75T-013.0^-17.0困绕网周划分网格，washer姓理1013.7517.0-21.0围眺圆剧切分网格.悝丽imher姓理•一〔13.7521.0-30.0困绕阿周划分网格，is^Sher姓理^141&.0>30不进仙特殊处理?；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傩）3、四边形孔处理方法（两种情况比较，自己判断优劣）顺着网格走向布置节点与网格走向成了一定角度三、包边的处理方法1、将外板包边边界投影到内板上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、删除外板包边及外板包边在内板上的投影区域Vifi—Ji-^CI-!l+5、生成包边网格（注：当内外板网格全部完成后在进行这步操作）2Druled包边要求，尽量不要有三角形，出现三角形可以将三角形移到内外板上去赋材料属性钢材的参数匚1［二::■][NU][RHD]二MAT1L.LJ.L1±||「=♦UL.J.J[/n-一3.n.‘1[MCSID]玻璃的参数[NU][RHO]：•<IILI:l-L.!-■r1-.：.ii(j3「•9mT4r1i1。1•!.-■!■'IIWII必：||l・‘TII)]焊点的参数ID」[Fl■riir[-1[T-：F=[''.Fl"r】.-匚|：1口*D51Irrlun•.[3_]二二[MCSID]膨胀粘胶的参数L-.项."LI[l土.■:.oii■：^nhoioiii"0:-■-■!|;|||卜;：.|I■:■:I[MCSID]结构粘胶的参数[E][NU][RHO][150000r036Q1©e-Q9给部件赋予材料是指给部件加上一些计算所需用到的一些影响其性能的参数，如弹性模量E，泊松比NU，密度RHO等等，不同的计算会用到不同的参数。一、创建材料具体做法1、创建材料管理层，如steel，并选择相应类型2、选择create/edit命令，输入相应参数3、按esc建退出即可，软件提示材料已经创建Thematerielwascreated.二、创建属性属性包括部件的厚度，及所画网格的类型信息，如2D,3D具体做法1、创建属性管理层2、选择create/edit命令，输入相应参数'I]正叮~hir[H2_T3][TS_TJ[NSM]-j-LL_l.■.ljlJlj■■j.j■.1uL-.ulJ:.：ij.-j.3d不需编辑厚度，系统默认取网格的厚度(S*cteslepropname-|3dczrealeLupdate口gdIofcreate/editLassigntypm二JJD亏|cardirr旧|—LID[MANIFOL□_E□LI□_日REF_2"E.PFiT—TI注：包边的厚度是内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调干涉，穿透注意：只有当所有部件都赋予属性后才能查出干涉和穿透情况，允许有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啊顷如rIDcutr口曲cesc^leleces0JUITI：rZDiBDOJ'iiersfleolleolu^sIrlMSLO1Cr_3Draonierprajeclriomolsmgs/An品冲convnrlpoEilinnjrftfp=n&&hc^H/parMnq^h\0buildrra仙permule［口5肥1段时r"TostID穿透干涉有部件没赋予属性ResultsID穿透干涉有部件没赋予属性ffgrsectionglenetrations[%(UnspecifiedThicknesTj?^

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