错误提示及解决方法

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1、Diagnostics:ErrorMessagesErrorMessagesThissectionsummarizesthemostcommonerrormessagesandsolvermessagesgeneratedbyCOMSOLMultiphysics.Allerrormessagesarenumberedandsortedindifferentcategoriesaccordingtothefollowingtable.TABLE2-1:ERRORMESSAGECATEGORIESNUMBERSCATEGORY1000–1999ImportingModels2000–2

2、999GeometryModeling3000–3999CADImport4000–4999MeshGeneration5000–5999Point,Edge,Boundary,andSubdomainSpecification6000–6999AssemblyandExtendedMesh7000–7999Solvers8000–8999Postprocessing9000–9999GeneralForerrormessagesthatdonotappearinthefollowinglists,contactCOMSOL’ssupportteamforhelp.2000–299

3、9GeometryModeling TABLE2-2:GEOMETRYMODELINGERRORMESSAGESERRORNUMBERERRORMESSAGEEXPLANATION2118NegativeoutputfromemptyinputIncorrectGeometryM-file.2119NonscalaroutputfromemptyinputIncorrectGeometryM-file.2120NormaldirectionsareinconsistentIncorrectinputdatafromSTL/VRMLimport.2138Selfintersectio

4、nsnotsupportedCurvesresultinginself-intersectionsarenotsupported.2140SingularextrusionsnotsupportedErrorininputparameters.2141SingularrevolutionsnotsupportedTherevolvedmeshhasasingularityatthezaxis.Ifpossible,createthecylinderusinga3Dprimitiveorbyrevolvingthegeometrybeforemeshing.2146Subdomain

5、mustboundedatleastfourboundarysegmentsIncorrectgeometryformappedmesh.2147SubdomainmustboundoneconnectededgecomponentonlyIncorrectgeometryformappedmesh.2190InvalidradiusordistanceIncorrectinputparameterstofillet/chamfer.2197OperationresultedinemptygeometryobjectGeometryoperationresultedinanempt

6、ygeometryobjectwhichisnotallowed.Makesureanemptygeometryobjectisnotcreated.2209GeometrytorevolvemaynotcrossaxisofrevolutionTheaxisofrevolutionandthegeometryintersect.Checkthedimensionofthegeometryandthedefinitionoftheaxisfortherevolution. 4000–4999MeshGeneration TABLE2-3:MESHGENERATIONERRORMES

7、SAGESERRORNUMBERERRORMESSAGEEXPLANATION4002AdegeneratedtetrahedronwascreatedThemeshgeneratorranintonumericaldifficultieswhilecreatingtetrahedronswithasizebasedonuser-controlledparameters.Causescouldbetoosmallandnarrowsubdomainsrelativet