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Create Curvature-based Mesh (VBA)

This example shows how to create a curvature-based mesh for a part.

'----------------------------------------------------------------------------
' Preconditions:
' 1. Specified part document exists.
' 2. Add the SOLIDWORKS Simulation as an add-in
'    (in SOLIDWORKS, click Tools > Add-ins > SOLIDWORKS Simulation).
' 3. Add the SOLIDWORKS Simulation type library as a reference
'    (in the IDE, click Tools > References > SOLIDWORKS
'    Simulation version type library).
' 4. Open the Immediate window.
'
' Postconditions:
' 1. Part document is opened.
' 2. A curvature-based mesh is created for the Ready study.
' 3. In SOLIDWORKS, click the Ready study tab, right-click Mesh
'    in the Simulation tree, and select Show Mesh.
' 4. Zoom in on the part and examine the mesh.
'
' NOTE: Because the part document is used elsewhere, do not save
' any changes when closing it.
'---------------------------------------------------------------------------
Option Explicit
Sub main()
   Dim swApp As SldWorks.SldWorks
   Dim COSMOSWORKS As Object
   Dim COSMOSObject As CosmosWorksLib.CwAddincallback
   Dim ActDoc As CosmosWorksLib.CWModelDoc
   Dim StudyMngr As CosmosWorksLib.CWStudyManager
   Dim Study As CosmosWorksLib.CWStudy
   Dim CwMesh As CosmosWorksLib.CwMesh
   Dim errCode As Long
   Dim errors As Long
   Dim warnings As Long   
   Const fileName As String = "C:\Program Files\SOLIDWORKS Corp\SOLIDWORKS\Simulation\Examples\bikeframe.sldprt"
    ' Connect to SolidWork software
    If swApp Is Nothing Then Set swApp = Application.SldWorks
    ' Get SOLIDWORKS Simulation object
    Set COSMOSObject = swApp.GetAddInObject("SldWorks.Simulation")
    If COSMOSObject Is Nothing Then ErrorMsg swApp, "COSMOSObject object not found", True
    Set COSMOSWORKS = COSMOSObject.COSMOSWORKS
    If COSMOSWORKS Is Nothing Then ErrorMsg swApp, "COSMOSWORKS object not found", True
    ' Open document and get it
    swApp.OpenDoc6 fileName, swDocumentTypes_e.swDocPART, swOpenDocOptions_Silent, "", errors, warnings
    Set ActDoc = COSMOSWORKS.ActiveDoc()
    If ActDoc Is Nothing Then ErrorMsg swApp, "No active document.", True
    ' Get Ready study
    Set StudyMngr = ActDoc.StudyManager()
    If StudyMngr Is Nothing Then ErrorMsg swApp, "No StudyMngr object.", True
    Set Study = StudyMngr.GetStudy(0)
    If Study Is Nothing Then ErrorMsg swApp, "No study.", True
    If (Study.Name <> "Ready") Then ErrorMsg swApp, "Wrong study.", True
    Debug.Print ("Name of study: " & Study.Name)
    ' Get mesh
    Set CwMesh = Study.Mesh
    If CwMesh Is Nothing Then ErrorMsg swApp, "No mesh object.", False    
    ' Set type of mesh to curvature-based
    CwMesh.MesherType = swsMesherTypeAlternate    
    ' Set mesh parameters
    CwMesh.GrowthRatio = 1.6
    CwMesh.MinElementsInCircle = 8
    CwMesh.GetDefaultMaxAndMinElementSize swsLinearUnitMillimeters, 20, 4
  
    ' Create mesh
    errCode = Study.CreateMesh(swsLinearUnitMillimeters, 20, 1)
    Debug.Print "Error code: " & errCode '0 indicates successful creation of the mesh
    If errCode <> 0 Then ErrorMsg swApp, "Mesh failed; check error code.", True
    
    ' Get maximum and minimum element sizes used for boundaries
    Debug.Print "Maximum element size used for boundaries with lowest curvature: " & CwMesh.MaxElementSize
    Debug.Print "Minimum element size used for boundaries with highest curvature: " & CwMesh.MinElementSize
End Sub 
' Error function
Function ErrorMsg(swApp As Object, Message As String, EndTest As Boolean)
    swApp.SendMsgToUser2 Message, 0, 0
    swApp.RecordLine "'*** WARNING - General"
    swApp.RecordLine "'*** " & Message
    swApp.RecordLine ""
End Function

 



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