犀牛软件与icem的转换.doc

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1、HowToRhino&ICEMHowToRhino&ICEMSimple2Dmodel1)Newfilesetup:chooseMillimeter(automaticallyconvertstoMetersifimportedtoICEM)2)Setunits:FileàPropertiesàUnits:Modelunits:shouldalreadybeMillimetersAbs.tolerance=sizeofsmallestfeature(treatedasMetersbyCSMP)=i.e.0.01Rel.tolerance=ratiobetweensmallestandlarg

2、estobject(in%)=i.e.1.0Angletolerance=similartoabs.tolerance,butforangles=i.e.0.01(SKM:0.1)Question:doesithavetobeMillimeters?àNo,becauseCSMPtreatsitasMetersanyway!3)Drawaroundorigin(bestcentered!),otherwisesignificantdigitscanbelost(Y=up,X=left-rightàdrawin“TOP”viewfor2D)Doesn’tmatterifboxorlinedra

3、wing(mustbeNURBScurvesàcheckinObjectProperties!)Usesnappingtoexactlycloselinesatintersections:4)Assignobjectstocertainlayers(toe.g.separatefracturesfrombedding):selectseveralobjectswithSHIFTàright-clickonlayerà“SelectObjectLayer”5)Splitacurve:selectthecurveàcommand“Split”oràselectcuttingobjects(dot

4、hiswithallintersections!),usecutcurvestocuttheotherones(“cuttingtheotherwayround”)Explodeclosedcurveswith(ToolinICEM:“Topology”àsplitsautomatically,butmightdestroythingsonestillneeds!)CSP-Workshop20098HowToRhino&ICEM1)ICEMneedstoknowwherethebeginningandendofobjectsare(àputsnodethere):createstartand

5、endpointsforallcurves:selectallcurvesàCurveàPointObjectàMarkCurveStart&End,createpointsatintersections:CurveàCurveFromObjectsàIntersection(orcommand“Intersection”)Question:aremultiplepointsaproblem?Towhatlayerdotheyhavetobelongto?(Toremoveduplicates:EditàSelectObjectsàDuplicateObjectsàDELETE)2)Rena

6、melayers:LEFT,RIGHT,TOP,BOTTOM(doesn’thavetobeuppercase,ICEMautomaticallyconvertsintouppercase)àputboundarylinesintospecificlayers(IRREGULARnotpossiblein2D!!!)3)Createonesurfacethatcoversallobjects:SelectallàSurfaceàPlanarCurve4)Splitthesurface:selectthesurfaceàcommand“Split”oràselectthecurvesthats

7、houldcutitMovenewsurfacestoseparate(new)layers(Splittingofsurfacesbyfracturesthatdonotcutallthroughisnotpossible)Question:doweneedtodrawoutliningcurvestothesurfaces?(Toshowsurfacesinlayercolors:Right-clicko