基于python实现Maxwell软件的自动仿真分析 |
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@[TOC]First Example ansoft的Maxwell仿真软件： 电机设计，电磁分析的专业软件。 python：一个无敌的编程软件，而且免费，免费，免费！！！ 懂英文，懂英文，懂英文！！！ 1、软件安装 略。 2、python 安装插件，通过windows com（组件对象模型，component object model，感兴趣可以百度https://blog.csdn.net/zhu2695/article/details/8977214）来调用Maxwell软件，这个可以调用很多软件，只要其它的软件具有接口 python 安装pywin32库文件 3、代码讲解（案例给出的是一个导体的空间静磁场分布，三维模型） from win32com import client oAnsoftApp = client.Dispatch("Ansoft.ElectronicsDesktop") oDesktop = oAnsoftApp.getAppDesktop() oDesktop.RestoreWindow() oProject = oDesktop.NewProject() oProject.InsertDesign("Maxwell 3D", "Maxwell3DDesign1", "Magnetostatic", "") oDesign = oProject.SetActiveDesign("Maxwell3DDesign1") oEditor = oDesign.SetActiveEditor("3D Modeler")以上代码块是头文件和开始的部分，调用库函数，其中包括调用软件，新建工程，插入项目，最后得到的编辑器oEditor 具体内容后续发表的内容会逐步讲解（包括如何打开软件，二维模型，瞬态场分析等等）。 oEditor.CreateCylinder( [ "NAME:CylinderParameters", "XCenter:=" , "0mm", "YCenter:=" , "0mm", "ZCenter:=" , "0mm", "Radius:=" , "1mm", "Height:=" , "2mm", "WhichAxis:=" , "Z", "NumSides:=" , "0" ], [ "NAME:Attributes", "Name:=" , "Cylinder1", "Flags:=" , "", "Color:=" , "(143 175 143)", "Transparency:=" , 0, "PartCoordinateSystem:=", "Global", "UDMId:=" , "", "MaterialValue:=" , "\"vacuum\"", "SurfaceMaterialValue:=", "\"\"", "SolveInside:=" , True, "IsMaterialEditable:=" , True, "UseMaterialAppearance:=", False ]) oEditor.CreateCylinder( [ "NAME:CylinderParameters", "XCenter:=" , "0mm", "YCenter:=" , "0mm", "ZCenter:=" , "0mm", "Radius:=" , "2mm", "Height:=" , "2mm", "WhichAxis:=" , "Z", "NumSides:=" , "0" ], [ "NAME:Attributes", "Name:=" , "Cylinder2", "Flags:=" , "", "Color:=" , "(143 175 143)", "Transparency:=" , 0, "PartCoordinateSystem:=", "Global", "UDMId:=" , "", "MaterialValue:=" , "\"vacuum\"", "SurfaceMaterialValue:=", "\"\"", "SolveInside:=" , True, "IsMaterialEditable:=" , True, "UseMaterialAppearance:=", False ])创建两个圆柱体，一个是金属导体，另外一个是求解域，就是所谓的真空材料。 两个圆柱体的高度是一致的，是因为工程通入的激励源是电流源，电流源所在的导体应该是首尾联通，或者在求解区域的边界上，否则就会报错，current leak to the air oEditor.AssignMaterial( [ "NAME:Selections", "Selections:=" , "Cylinder1" ], [ "NAME:Attributes", "MaterialValue:=" , "\"copper\"", "SolveInside:=" , True, "IsMaterialEditable:=" , True, "UseMaterialAppearance:=", False ])给中间的圆柱体配置材料，材料为铜 oEditor.Section( [ "NAME:Selections", "Selections:=" , "Cylinder1", "NewPartsModelFlag:=" , "Model" ], [ "NAME:SectionToParameters", "CreateNewObjects:=" , True, "SectionPlane:=" , "XY", "SectionCrossObject:=" , False ]) oEditor.Move( [ "NAME:Selections", "Selections:=" , "Cylinder1_Section1", "NewPartsModelFlag:=" , "Model" ], [ "NAME:TranslateParameters", "TranslateVectorX:=" , "0mm", "TranslateVectorY:=" , "0mm", "TranslateVectorZ:=" , "0.5mm" ]) oDesign.ChangeProperty( [ "NAME:AllTabs", [ "NAME:LocalVariableTab", [ "NAME:PropServers", "LocalVariables" ], [ "NAME:NewProps", [ "NAME:I_phase", "PropType:=" , "VariableProp", "UserDef:=" , True, "Value:=" , "0A" ] ] ] ]) oModule = oDesign.GetModule("BoundarySetup") oModule.AssignCurrent( [ "NAME:Current1", "Objects:=" , ["Cylinder1_Section1"], "Current:=" , "I_phase", "IsSolid:=" , False, "Point out of terminal:=", False ])设置激励，激励需要设置在sheet上，不能是三维体的表面！！！ oModule = oDesign.GetModule("AnalysisSetup") oModule.InsertSetup("Magnetostatic", [ "NAME:Setup1", "Enabled:=" , True, "MaximumPasses:=" , 5, "MinimumPasses:=" , 2, "MinimumConvergedPasses:=", 1, "PercentRefinement:=" , 30, "SolveFieldOnly:=" , False, "PercentError:=" , 0.5, "SolveMatrixAtLast:=" , True, "PercentError:=" , 0.5, "UseIterativeSolver:=" , False, "RelativeResidual:=" , 1E-006, "NonLinearResidual:=" , 0.002, [ "NAME:MuOption", "MuNonLinearBH:=" , True ] ])这个是设定一个解算器，具体参数看英文吧。。 oModule = oDesign.GetModule("Optimetrics") oModule.InsertSetup("OptiParametric", [ "NAME:ParametricSetup1", "IsEnabled:=" , True, [ "NAME:ProdOptiSetupDataV2", "SaveFields:=" , False, "CopyMesh:=" , False, "SolveWithCopiedMeshOnly:=", True ], [ "NAME:StartingPoint" ], "Sim. Setups:=" , ["Setup1"], [ "NAME:Sweeps", [ "NAME:SweepDefinition", "Variable:=" , "I_phase", "Data:=" , "LIN 0A 10A 10A", "OffsetF1:=" , False, "Synchronize:=" , 0 ] ], [ "NAME:Sweep Operations" ], [ "NAME:Goals" ] ])设置参数来进行计算，之前设定激励电流为变量I_phase 仿真不同的I_phase值对应的仿真结果。 oProject.SaveAs("E:\\Maxwell\\Project1.aedt", True) oModule.SolveSetup("ParametricSetup1")保存，并开始仿真。 |
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