基于python实现Maxwell软件的自动仿真分析

@[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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