Clever Geek Handbook

Ein Beispiel für das Erstellen eines Dienstprogramms für Unigraphics NX mithilfe der NXOpen-Bibliothek in Java

Ich habe beschlossen, jedem zu sagen, der daran interessiert ist, wie Sie mithilfe der NXOpen-Bibliothek und der Java-Programmiersprache Dienstprogramme für Unigraphics NX erstellen können. Als Beispiel erstellt mein Dienstprogramm ein 2D-Netz auf allen freien Körpern und Gesichtern (dies kann für ein Optimierungsproblem hilfreich sein).



Die erforderlichen Informationen zur NXOpen-Bibliothek finden Sie auf der offiziellen Website .



Der NX-Stammordner enthält die Standardbibliotheken, die wir benötigen, sowie Beispiele:



  • C: \ Programme \ Siemens \ NX 12.0 \ NXBIN mit JAR-Erweiterung
  • C: \ Programme \ Siemens \ NX 12.0 \ UGOPEN mit JAR-Erweiterung
  • C: \ Programme \ Siemens \ NX 12.0 \ UGOPEN \ SampleNXOpenApplications \ Java.


Um das Schreiben von Code zu vereinfachen, können Sie das Protokoll Ihrer Aktionen in einer Textdatei als Grundlage verwenden. Standardmäßig schreibt Unigraphics NX in Visual Basic. In den Einstellungen können Sie es jedoch in Java oder in ein anderes aus der Liste der verfügbaren ändern:







Hier ein Beispiel für die Protokollierung in einer Textdatei.



Codeauflistung 
// NX 12.0.1.7
// Journal created by Aleksandr on Sun Nov  3 19:49:32 2019 RTZ 2 ()

//
import nxopen.*;
public class journalTT
{
  public static void main(String [] args) throws NXException, java.rmi.RemoteException
  {
    nxopen.Session theSession = (nxopen.Session)nxopen.SessionFactory.get("Session");
    nxopen.cae.FemPart workFemPart = ((nxopen.cae.FemPart)theSession.parts().baseWork());
    nxopen.cae.FemPart displayFemPart = ((nxopen.cae.FemPart)theSession.parts().baseDisplay());
    // ----------------------------------------------
    //   : ->->2D ...
    // ----------------------------------------------
    int markId1;
    markId1 = theSession.setUndoMark(nxopen.Session.MarkVisibility.VISIBLE, "");
    
    nxopen.cae.FEModel fEModel1 = ((nxopen.cae.FEModel)workFemPart.findObject("FEModel"));
    nxopen.cae.MeshManager meshManager1 = ((nxopen.cae.MeshManager)fEModel1.find("MeshManager"));
    nxopen.cae.Mesh2d nullNXOpen_CAE_Mesh2d = null;
    nxopen.cae.Mesh2dBuilder mesh2dBuilder1;
    mesh2dBuilder1 = meshManager1.createMesh2dBuilder(nullNXOpen_CAE_Mesh2d);
    
    nxopen.cae.MeshCollector nullNXOpen_CAE_MeshCollector = null;
    mesh2dBuilder1.elementType().destinationCollector().setElementContainer(nullNXOpen_CAE_MeshCollector);
    
    mesh2dBuilder1.elementType().setElementTypeName("CQUAD4");
    
    nxopen.Unit unit1 = ((nxopen.Unit)workFemPart.unitCollection().findObject("MilliMeter"));
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("quad mesh overall edge size", "10", unit1);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("target minimum element edge length", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("surface curvature threshold", "5.05", unit1);
    
    nxopen.Unit nullNXOpen_Unit = null;
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("small feature value", "1", nullNXOpen_Unit);
    
    theSession.setUndoMarkName(markId1, "  2D ");
    
    nxopen.DisplayableObject [] objects1  = new nxopen.DisplayableObject[1];
    nxopen.cae.CAEBody cAEBody1 = ((nxopen.cae.CAEBody)workFemPart.findObject("CAE_Body(14)"));
    nxopen.cae.CAEFace cAEFace1 = ((nxopen.cae.CAEFace)cAEBody1.findObject("CAE_Face(14)"));
    objects1[0] = cAEFace1;
    boolean added1;
    added1 = mesh2dBuilder1.selectionList().add(objects1);
    
    nxopen.DisplayableObject [] objects2  = new nxopen.DisplayableObject[1];
    nxopen.cae.CAEBody cAEBody2 = ((nxopen.cae.CAEBody)workFemPart.findObject("CAE_Body(3)"));
    nxopen.cae.CAEFace cAEFace2 = ((nxopen.cae.CAEFace)cAEBody2.findObject("CAE_Face(3)"));
    objects2[0] = cAEFace2;
    boolean added2;
    added2 = mesh2dBuilder1.selectionList().add(objects2);
    
    nxopen.DisplayableObject [] objects3  = new nxopen.DisplayableObject[1];
    nxopen.cae.CAEBody cAEBody3 = ((nxopen.cae.CAEBody)workFemPart.findObject("CAE_Body(2)"));
    nxopen.cae.CAEFace cAEFace3 = ((nxopen.cae.CAEFace)cAEBody3.findObject("CAE_Face(2)"));
    objects3[0] = cAEFace3;
    boolean added3;
    added3 = mesh2dBuilder1.selectionList().add(objects3);
    
    nxopen.DisplayableObject [] objects4  = new nxopen.DisplayableObject[1];
    nxopen.cae.CAEBody cAEBody4 = ((nxopen.cae.CAEBody)workFemPart.findObject("CAE_Body(1)"));
    nxopen.cae.CAEFace cAEFace4 = ((nxopen.cae.CAEFace)cAEBody4.findObject("CAE_Face(1)"));
    objects4[0] = cAEFace4;
    boolean added4;
    added4 = mesh2dBuilder1.selectionList().add(objects4);
    
    int markId2;
    markId2 = theSession.setUndoMark(nxopen.Session.MarkVisibility.INVISIBLE, "2D ");
    
    theSession.deleteUndoMark(markId2, null);
    
    int markId3;
    markId3 = theSession.setUndoMark(nxopen.Session.MarkVisibility.INVISIBLE, "2D ");
    
    mesh2dBuilder1.setAutoResetOption(false);
    
    mesh2dBuilder1.elementType().setElementDimension(nxopen.cae.ElementTypeBuilder.ElementType.SHELL);
    
    mesh2dBuilder1.elementType().setElementTypeName("CQUAD4");
    
    nxopen.cae.DestinationCollectorBuilder destinationCollectorBuilder1;
    destinationCollectorBuilder1 = mesh2dBuilder1.elementType().destinationCollector();
    
    destinationCollectorBuilder1.setElementContainer(nullNXOpen_CAE_MeshCollector);
    
    destinationCollectorBuilder1.setAutomaticMode(true);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("meshing method", 0);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("quad mesh overall edge size", "10", unit1);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("block decomposition option bool", false);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("mapped mesh option bool", false);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("fillet num elements", 3);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("num elements on cylinder circumference", 6);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("element size on cylinder height", "1", unit1);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("quad only option", 0);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("mesh individual faces option bool", false);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("midnodes", 0);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("geometry tolerance option bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("geometry tolerance", "0", unit1);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("target maximum element edge length bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("maximum element edge length", "1", unit1);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("target minimum element edge length", false);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("split poor quads bool", false);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("move nodes off geometry bool", false);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("max quad warp option bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("max quad warp", "5", nullNXOpen_Unit);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("max jacobian", "5", nullNXOpen_Unit);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("target element skew bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("element skew", "30", nullNXOpen_Unit);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("max included angle quad option bool", false);
    
    nxopen.Unit unit2 = ((nxopen.Unit)workFemPart.unitCollection().findObject("Degrees"));
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("max included angle quad", "150", unit2);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("min included angle quad option bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("min included angle quad", "30", unit2);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("max included angle tria option bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("max included angle tria", "150", unit2);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("min included angle tria option bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("min included angle tria", "30", unit2);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("mesh transition bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("mesh size variation", "50", nullNXOpen_Unit);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("surface curvature threshold", "5.05", unit1);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("alternate feature abstraction bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("minimum feature element size", "0.001", unit1);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("small feature tolerance", "10", nullNXOpen_Unit);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("small feature value", "1", nullNXOpen_Unit);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("suppress hole option bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("hole diameter tolerance", "0", unit1);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("hole suppresion point type", 0);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("merge edge toggle bool", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("edge angle", "15", unit2);
    
    mesh2dBuilder1.propertyTable().setBooleanPropertyValue("quad mesh edge match toggle", false);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("quad mesh edge match tolerance", "0.02", unit1);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("quad mesh smoothness tolerance", "0.01", unit1);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("quad mesh surface match tolerance", "0.001", unit1);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("quad mesh transitional rows", 3);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("min face angle", "20", unit2);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("mesh time stamp", 0);
    
    mesh2dBuilder1.propertyTable().setBaseScalarWithDataPropertyValue("quad mesh node coincidence tolerance", "0.0001", unit1);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("mesh edit allowed", 0);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("transition edge seeding", 0);
    
    mesh2dBuilder1.propertyTable().setIntegerPropertyValue("cylinder curved end num elements", 6);
    
    int id1;
    id1 = theSession.newestVisibleUndoMark();
    
    int nErrs1;
    nErrs1 = theSession.updateManager().doUpdate(id1);
    
    nxopen.cae.Mesh [] meshes1 ;
    meshes1 = mesh2dBuilder1.commitMesh();
    
    theSession.deleteUndoMark(markId3, null);
    
    theSession.setUndoMarkName(id1, "2D ");
    
    mesh2dBuilder1.destroy();
    
    // ----------------------------------------------
    //   : -> ->3   
    // ----------------------------------------------
    // ----------------------------------------------
    //   : ->-> 
    // ----------------------------------------------
  
  }
  
  public static final int getUnloadOption() { return nxopen.BaseSession.LibraryUnloadOption.IMMEDIATELY; }
  
}

  
}




Jetzt wird nur auf den im Code angegebenen Oberflächen ein Netz erstellt. Wenn weniger oder mehr davon vorhanden sind und sich ihre Namen unterscheiden, gibt nx beim Ausführen unseres Codes einen Fehler aus. Daher müssen wir den Code ändern, indem wir Try / Catch-Ausnahmen hinzufügen und einen Weg finden, damit wir uns nicht an die Anzahl der polygonalen Flächen binden.



Ich habe es so gemacht: 



        try {

            for (int i = 1; i < 20; i++) {
                 obj="object"+i;
                cAEB="cAEBody"+i;
                cAEF="cAEFace"+i;
                adde="added"+i;

                //Object objects = new Object();
                nxopen.DisplayableObject [] obj  = new nxopen.DisplayableObject[1];
                nxopen.cae.CAEBody cAEB = ((nxopen.cae.CAEBody)workFemPart.findObject(("CAE_Body"+"("+i+")")));
                nxopen.cae.CAEFace cAEF = ((nxopen.cae.CAEFace)cAEB.findObject("CAE_Face"+"("+i+")"));
                obj[0] = cAEF;
                boolean adde;
                adde = mesh2dBuilder1.selectionList().add(obj);

           }
        } catch (Exception ex) {


Hier ist das Endergebnis, das im Programm ausgeführt wird:





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