HFSS脚本建模入门教程

摘要：

HFSS作为高频结构设计的首选工具和行业标准，能从几何结构、材料特性到分析、控制及所有后处理进行全参量化设计。可对于仿真设计相关的工程师来说，利用HFSS软件进行3D可视化建模容易，但是后期的模型维护和传阅却难以为继。

本文使用的电磁仿真软件为ANSYS Electronics Desktop Version 2017.2.0

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下图所示环形器的HFSS建模不难，但是工程师们建模习惯不同，最后各自的仿真模型在进行传阅时，其可读性就难免参差不齐。有的喜欢预估好初始值后进行纯数字建模，有的喜欢variables和数字混用，即使是有些人采用全参量化建模，由于大家命名习惯大相径庭，最终拿到别人的仿真文件进行参数微调时，也会对模型的建立逻辑和某些结构对应的变量有所困惑。

特别是在别人已经建立好的模型上进行调试优化时，面对“一砖一瓦”构成的复杂结构时，想通过Delete Last Operation操作来窥视开发者的模型确实比较麻烦。

这里提供一种最简单的方法：HFSS自带的Record Script To File功能进行vbs脚本的录制。可能大家听说过这个功能，但是在实施过程中遇到一些困难。比如明明录制好了，再次Run Script进行重构模型为什么报错呢？

如下图所示，随便建立一个文件进行模型的绘制，对其进行vbs脚本录制：

Run Script后，HFSS软件提示报错，很多人第一次使用这个可能都会遇到这种问题。

其实只需要在录制脚本前，软件处于空文件状态(Project Manager下无Project和Design)，这样从零开始录制的脚本执行起来就不会报错。

经过上述操作后录制的vbs代码如下（可直接复制到txt文件里，将文件类型后缀改为.vbs，在HFSS软件中的Tool->Run Script载入执行即可）：

' ----------------------------------------------
' Script Recorded by ANSYS Electronics Desktop Version 2017.2.0
' ----------------------------------------------
Dim oAnsoftApp
Dim oDesktop
Dim oProject
Dim oDesign
Dim oEditor
Dim oModule
Set oAnsoftApp = CreateObject("Ansoft.ElectronicsDesktop")
Set oDesktop = oAnsoftApp.GetAppDesktop()
oDesktop.RestoreWindow
Set oProject = oDesktop.NewProject
oProject.InsertDesign "HFSS", "HFSSDesign1", "DrivenModal", ""
Set oDesign = oProject.SetActiveDesign("HFSSDesign1")
Set oEditor = oDesign.SetActiveEditor("3D Modeler")
oEditor.CreateRegularPolyhedron Array("NAME:PolyhedronParameters", "XCenter:=",  _
  "-0.4mm", "YCenter:=", "-0.4mm", "ZCenter:=", "0mm", "XStart:=", "0.2mm", "YStart:=",  _
  "0.2mm", "ZStart:=", "0mm", "Height:=", "1.2mm", "NumSides:=", "12", "WhichAxis:=",  _
  "Z"), Array("NAME:Attributes", "Name:=", "RegularPolyhedron1", "Flags:=", "", "Color:=",  _
  "(143 175 143)", "Transparency:=", 0, "PartCoordinateSystem:=", "Global", "UDMId:=",  _
  "", "MaterialValue:=", "" & Chr(34) & "vacuum" & Chr(34) & "", "SurfaceMaterialValue:=",  _
  "" & Chr(34) & "" & Chr(34) & "", "SolveInside:=", true, "IsMaterialEditable:=",  _
  true, "UseMaterialAppearance:=", false)
oEditor.CreateCylinder Array("NAME:CylinderParameters", "XCenter:=", "0.8mm", "YCenter:=",  _
  "1.8mm", "ZCenter:=", "0mm", "Radius:=", "0.2mm", "Height:=", "1mm", "WhichAxis:=",  _
  "Z", "NumSides:=", "0"), Array("NAME:Attributes", "Name:=", "Cylinder1", "Flags:=",  _
  "", "Color:=", "(143 175 143)", "Transparency:=", 0, "PartCoordinateSystem:=",  _
  "Global", "UDMId:=", "", "MaterialValue:=", "" & Chr(34) & "vacuum" & Chr(34) & "", "SurfaceMaterialValue:=",  _
  "" & Chr(34) & "" & Chr(34) & "", "SolveInside:=", true, "IsMaterialEditable:=",  _
  true, "UseMaterialAppearance:=", false)
oEditor.CreateBox Array("NAME:BoxParameters", "XPosition:=", "0.6mm", "YPosition:=",  _
  "-2.6mm", "ZPosition:=", "0mm", "XSize:=", "0.8mm", "YSize:=", "0.4mm", "ZSize:=",  _
  "0.8mm"), Array("NAME:Attributes", "Name:=", "Box1", "Flags:=", "", "Color:=",  _
  "(143 175 143)", "Transparency:=", 0, "PartCoordinateSystem:=", "Global", "UDMId:=",  _
  "", "MaterialValue:=", "" & Chr(34) & "vacuum" & Chr(34) & "", "SurfaceMaterialValue:=",  _
  "" & Chr(34) & "" & Chr(34) & "", "SolveInside:=", true, "IsMaterialEditable:=",  _
  true, "UseMaterialAppearance:=", false)
oEditor.CreateCone Array("NAME:ConeParameters", "XCenter:=", "2.2mm", "YCenter:=",  _
  "-0.2mm", "ZCenter:=", "0mm", "WhichAxis:=", "Z", "Height:=", "0.6mm", "BottomRadius:=",  _
  "0.447213595499958mm", "TopRadius:=", "0.4mm"), Array("NAME:Attributes", "Name:=",  _
  "Cone1", "Flags:=", "", "Color:=", "(143 175 143)", "Transparency:=", 0, "PartCoordinateSystem:=",  _
  "Global", "UDMId:=", "", "MaterialValue:=", "" & Chr(34) & "vacuum" & Chr(34) & "", "SurfaceMaterialValue:=",  _
  "" & Chr(34) & "" & Chr(34) & "", "SolveInside:=", true, "IsMaterialEditable:=",  _
  true, "UseMaterialAppearance:=", false)
  

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