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Add Spring Connector Example (VB.NET)

This example shows how to add a spring connector to a frequency study.

'----------------------------------------------------------------------------
' Preconditions:
' 1. Add the SOLIDWORKS Simulation as an add-in (in SOLIDWORKS, click 
'    Tools > Add-ins > SOLIDWORKS Simulation > OK).

' 2. Add the SOLIDWORKS Simulation primary interop assembly as a reference
'    (in the IDE, click Project > Add Reference > .NET > 
'    SolidWorks.Interop.cosworks > OK).

' 3. Ensure that the specified model document exists.
' 4. Open an Immediate window.
'
' Postconditions:
' 1. Opens the model.
' 2. Activates the Sample study.
' 3. Deletes Connectors-2.
' 4. Adds Spring Connector-4 to the Connectors folder in the Simulation study
'    tree.
' 5. Prints the properties of Spring Connector-4 to the Immediate window.
' 6. Meshes the model.
' 7. Analyzes Sample.
' 8. Inspect the Immediate window, the Simulation Study tree, and the
'    graphics area.
'
' NOTE: Because the model is used elsewhere, do not save changes.
' ---------------------------------------------------------------------------
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports SolidWorks.Interop.cosworks
Imports System.Runtime.InteropServices
Imports System
Imports System.Diagnostics
 
 
Partial Class SolidWorksMacro
 
    Dim Part As ModelDoc2
    Dim COSMOSWORKS As COSMOSWORKS
    Dim COSMOSObject As CwAddincallback
    Dim ActDoc As CWModelDoc
    Dim StudyMngr As CWStudyManager
    Dim Study As CWStudy
    Dim lrMngr As CWLoadsAndRestraintsManager
    Dim springConnector As CWSpringConnector
    Dim CwMesh As CWMesh
    Dim str3 As String, str4 As String
    Dim varArray1(0) As Object, varArray2(0) As Object
    Dim pDisp3 As Object, pDisp4 As Object
    Dim var20 As Object, var21 As Object
    Dim errCode As Integer
    Dim el As Double, tl As Double
    Dim longstatus As Integer, longwarnings As Integer
 
 
    Sub main()
 
        Part = swApp.OpenDoc6("C:\Users\Public\Documents\SOLIDWORKS\SOLIDWORKS 2019\samples\Simulation Examples\Verification\frequency_8.sldasm", swDocumentTypes_e.swDocASSEMBLY, swOpenDocOptions_e.swOpenDocOptions_Silent, "", longstatus, longwarnings)
        Part = swApp.ActiveDoc
 
        COSMOSObject = swApp.GetAddInObject("SldWorks.Simulation")
        If COSMOSObject Is Nothing Then ErrorMsg(swApp, "Failed to get the Simulation add-in")
 
        COSMOSWORKS = COSMOSObject.COSMOSWORKS
        If COSMOSWORKS Is Nothing Then ErrorMsg(swApp, "Failed to get COSMOSWORKS")
 
        ActDoc = COSMOSWORKS.ActiveDoc()
        If ActDoc Is Nothing Then ErrorMsg(swApp, "Failed to get active document")
 
        StudyMngr = ActDoc.StudyManager()
        If StudyMngr Is Nothing Then ErrorMsg(swApp, "Failed to get the CWStudyManager object")
 
        Study = StudyMngr.GetStudy(0)
        If Study Is Nothing Then ErrorMsg(swApp, "Failed to get the frequency study")
 
        StudyMngr.ActiveStudy = 0
 
        str3 = "64,31,0,0,3,0,0,0,255,254,255,16,80,0,51,0,45,0,49,0,64,0,102,0,114,0,101,0,113,0,117,0,101,0,110,0,99,0,121,0,95,0,56,0,4,0,0,0,16,0,0,0,1,0,0,0,1,0,0,0,18,0,0,0,255,255,1,0,11,0,109,111,70,97,99,101,82,101,102,95,99,1,0,0,0,0,0,0,0,6,0,0,0,0,3,0,0,0,0,0,0,125,195,148,37,173,73,178,84,125,195,148,37,173,73,178,84,0,0,255,255,1,0,23,0,109,111,70,114,111,109,83,107,116,69,110,116,83,117,114,102,73,100,82,101,112,95,99,0,0,255,255,1,0,6,0,109,111,70,82,95,99,255,255,1,0,13,0,109,111,69,120,116,79,98,106,101,99,116,95,99,255,255,1,0,17,0,109,111,67,83,116,114,105,110,103,72,97,110,100,108,101,95,99,255,254,255,32,69,0,58,0,92,0,65,0,115,0,104,0,105,0,115,0,104,0,92,0,118,0,101,0,114,0,105,0,102,0,105,0,99,0,97,0,116,0,105,0,111,0,110,0,92,0,80,0,51,0,46,0,83,0,76,0,68,0,80,0,82,0,84,0,9,128,255,254,255,2,80,0,51,0,2,0,0,217,166,36,65,0,105,167,36,65,0,0,0,0,0,0,0,0,1,0,0,0,255,254,255,7,68,0,101,0,102,0,97,0,117,0,108,0,116,0,0,0,0,0,0,0,0,0,105,167,36,65,24,0,0,0,162,167,3"
        str3 = str3 & "6,65,4,0,0,0,255,255,1,0,20,0,109,111,69,110,100,70,97,99,101,83,117,114,102,73,100,82,101,112,95,99,0,0,5,128,8,0,24,0,0,0,162,167,36,65,0,0,0,0,0,0,0,0,3,128,0,0,5,128,8,0,24,0,0,0,162,167,36,65,1,0,0,0,12,128,0,0,5,128,8,0,24,0,0,0,162,167,36,65,1,0,0,0,0,0,0,0,3,128,0,0,5,128,8,0,24,0,0,0,162,167,36,65,3,0,0,0,0,0,0,0,0,0,0,0,0,0"
        str3 = str3 & ",Type=1"
 
        str4 = "64,31,0,0,3,0,0,0,255,254,255,16,80,0,52,0,45,0,50,0,64,0,102,0,114,0,101,0,113,0,117,0,101,0,110,0,99,0,121,0,95,0,56,0,4,0,0,0,16,0,0,0,1,0,0,0,1,0,0,0,21,0,0,0,255,255,1,0,11,0,109,111,70,97,99,101,82,101,102,95,99,1,0,0,0,0,0,0,0,6,0,0,0,0,3,0,0,0,0,0,0,125,195,148,37,173,73,178,84,125,195,148,37,173,73,178,84,0,0,255,255,1,0,23,0,109,111,70,114,111,109,83,107,116,69,110,116,83,117,114,102,73,100,82,101,112,95,99,0,0,255,255,1,0,6,0,109,111,70,82,95,99,255,255,1,0,13,0,109,111,69,120,116,79,98,106,101,99,116,95,99,255,255,1,0,17,0,109,111,67,83,116,114,105,110,103,72,97,110,100,108,101,95,99,255,254,255,32,69,0,58,0,92,0,65,0,115,0,104,0,105,0,115,0,104,0,92,0,118,0,101,0,114,0,105,0,102,0,105,0,99,0,97,0,116,0,105,0,111,0,110,0,92,0,80,0,52,0,46,0,83,0,76,0,68,0,80,0,82,0,84,0,9,128,255,254,255,2,80,0,52,0,2,0,0,217,166,36,65,0,105,167,36,65,0,0,0,0,0,0,0,0,0,0,0,0,255,254,255,7,68,0,101,0,102,0,97,0,117,0,108,0,116,0,0,0,0,0,0,0,0,0,105,167,36,65,18,0,0,0,105,167"
        str4 = str4 & ",36,65,2,0,0,0,255,255,1,0,20,0,109,111,69,110,100,70,97,99,101,83,117,114,102,73,100,82,101,112,95,99,0,0,5,128,8,0,18,0,0,0,105,167,36,65,0,0,0,0,0,0,0,0,3,128,0,0,5,128,8,0,18,0,0,0,105,167,36,65,1,0,0,0,12,128,0,0,5,128,8,0,18,0,0,0,105,167,36,65,1,0,0,0,0,0,0,0,3,128,0,0,5,128,8,0,18,0,0,0,105,167,36,65,3,0,0,0,0,0,0,0,0,0,0,0,0,0"
        str4 = str4 & ",Type=1"
 
 
        StringtoArray(str3, var20)
        pDisp3 = Part.Extension.GetObjectByPersistReference3((var20), longstatus)
 
        StringtoArray(str4, var21)
        pDisp4 = Part.Extension.GetObjectByPersistReference3((var21), longstatus)
 
        varArray1(0) = pDisp3
        varArray2(0) = pDisp4
 
        lrMngr = Study.LoadsAndRestraintsManager
        lrMngr.DeleteLoadsAndRestraints("Connectors-2")
 
        ' Add spring connector
        springConnector = lrMngr.AddSpringConnector(swsSpringConnectorType_e.swsSpringConnectoryTypeFlatParallelFaces, (varArray1), (varArray2), errCode)
 
        springConnector.SpringConnectorBeginEdit()
        springConnector.Unit = swsUnit_e.swsUnitEnglish
        springConnector.NormalRadialStiffnessValue = 800.0#
        springConnector.TangentialOrShearStiffnessValue = 100000.0#
        Debug.Print("Spring Connector-4")
        Dim sType As Integer, sSubType As Integer
        springConnector.GetSpringType(sType, sSubType)
        Debug.Print("  Type as defined in swsSpringType_e: " & sType)
        Debug.Print("  Sub-type as defined in swsSpringSubType_e: " & sSubType)
        Debug.Print("  Source entity count: " & springConnector.GetSourceEntityCount)
        Debug.Print("  Target entity count: " & springConnector.GetTargetEntityCount)
        springConnector.SpringConnectorEndEdit()
        Debug.Print("  Normal radial stiffness: " & springConnector.NormalRadialStiffnessValue)
        Debug.Print("  Preload force type as defined in swsPreloadForceType_e: " & springConnector.PreLoadForceType)
        Debug.Print("  Preload force: " & springConnector.PreLoadForceValue)
        Debug.Print("  Rotational stiffness: " & springConnector.RotationalStiffnessValue)
        Debug.Print("  Stiffness type as defined in swsStiffnessType_e: " & springConnector.StiffnessType)
        Debug.Print("  Tangential or shear stiffness: " & springConnector.TangentialOrShearStiffnessValue)
        Debug.Print("  Units of stiffness as defined in swsUnit_e: " & springConnector.Unit)
 
 
        ' Mesh model
        CwMesh = Study.Mesh
        If CwMesh Is Nothing Then ErrorMsg(swApp, "Failed to get the CWMesh object"False)
 
        CwMesh.Quality = 1
        Call CwMesh.GetDefaultElementSizeAndTolerance(swsLinearUnit_e.swsLinearUnitMillimeters, el, tl)
 
        errCode = Study.CreateMesh(swsLinearUnit_e.swsLinearUnitMillimeters, el, tl)
        If errCode <> 0 Then ErrorMsg(swApp, "Failed to create mesh"True)
 
        ' Run analysis
        errCode = Study.RunAnalysis
        If errCode <> 0 Then ErrorMsg(swApp, "Analysis failed with error code as defined in swsRunAnalysisError_e: " & errCode)
 
 
    End Sub
 
    Sub StringtoArray(ByVal inputSTR As StringByRef varEntity As Object)
 
        Dim PID() As Byte
        Dim i As Integer
 
        varEntity = Split(inputSTR, ",")
 
        ReDim PID(UBound(varEntity))
 
        For i = 0 To (UBound(varEntity) - 1)
            PID(i) = varEntity(i)
        Next i
 
        varEntity = PID
 
    End Sub
 
 
    Sub ErrorMsg(ByVal SwApp As SldWorks, ByVal Message As String)
 
        SwApp.SendMsgToUser2(Message, 0, 0)
        SwApp.RecordLine("'*** WARNING - General")
        SwApp.RecordLine("'*** " & Message)
        SwApp.RecordLine("")
 
 
    End Sub
 
 
    ''' <summary>
    ''' The SldWorks swApp variable is pre-assigned for you.
    ''' </summary>
    Public swApp As SldWorks
 
 
End Class
 

 

 



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