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1、•F1--HiddenLine隐藏线•F2--Delete删除（删除任何对象都用此命令）•F3--Replace合并两个节点•F4--Distance测量距离角度等•F5--Mask隐藏•F6--ElementEdit单元编辑（创建，合并，分割单元等）•F7--AlignNode节点共线排列•F8--CreateNode创建节点•F9--LineEdit线编辑（非边界编辑）•F10--CheckElem单元质量检查•F11--QuickEdit快速几何编辑•F12--Automesh•自动网格划分Shift+F1-F12,Ctrl+F1-F6Openingan
2、dSavingFiles-HM-1010bumper_cen_mid1.hm1.AccesstheImporttabinoneofthefollowingways:•FromtheMenuBar,chooseFile,thenImport•Fromthestandardtoolbar,clickImport()（这里的Import()是在已有模型上加另一个模型）ImportingandRepairingCAD-HM-2000ImportingandRepairingCAD-HM-20002.Gototheautocleanuppanel.查看拓扑情况,自动清理,
3、可以删一些重复面,距离较小的自由边,修补结点问题Step3: Deletethesurfacethatoverhangstheroundcorner.(删重复面)FromtheGeometrymenu,pointtoDeleteandclickSurfaces或PressF2(和点叉一样)Step4: Createsurfacestofilllargegapsinthemodelsurfacespanelkeeptangency(可以平滑过渡)Verifytheautocreate(freeedges)checkboxisselectedStep5: Setth
4、eglobalgeometrycleanuptoleranceto.01.(设置全局清理容差,这样其他地方的容差都是0.01)PressOtogototheoptionspanelGotothegeometrysub-panelInthecleanuptol=field,type0.01tostitchthesurfaceswithagaplessthan0.01.Step8: Combinetheremainingfreeedgepairusingreplace.Gotothereplacesub-panel(quickedit是交换点，这里交换边，效果差不多
5、)Step9: Findanddeleteallduplicatesurfaces.AccesstheDefeaturepanelSimplifyingGeometry-HM-2020Step4(Optional): Reviewthequalityofthemesh.Toolpage,thenselectcheckelems（可以按要求检查，但不能编辑）3.Inthelengthfield,type1.4.Clicklengthtoevaluatetheminimumlength.Manyoftheelementsfailingthelengthtestare
6、locatedaroundthefilletsofthismodelStep6: Removeallsurfacefilletsintheclip.1.Gotothedefeaturepanel.Intheminradiusfield,type2.0.RefiningTopologytoAchieveaQualityMesh-HM-2030Step3: Reviewthemeshquality.4.Inthelengthfield,type1.Step6: Addedgestothesurfacestocontrolthemeshpattern1.Accesst
7、hesurfaceeditStep7: Addedgestothesurfacestocontrolthemeshpattern.Gotothetrimwithsurfs/planessub-panel2.Inthewithplanecolumn,settheactiveselectortosurfs.3.Selectthesurfacesindicatedinthefollowingimage.4Ifnecessary,togglethedirectionselectortoN1,N2,andN3.ClickN1tomaketheselectoractive.
8、（这里选两个点，不要选第
