Add test for fix bos #33557

test/test_import_1D2D_with_tetras_and_pyras.py

@@ -0,0 +1,179 @@
+#!/usr/bin/env python
+
+# test fix bos #33557 Bad pyramids generated
+
+import sys
+import salome
+
+
+#nb_segs_right = 30
+#nb_segs_right = 100
+nb_segs_right = 150
+#nb_segs_right = 200
+
+algo = "MG-Tetra"
+#algo = "Netgen"
+#algo = "GMSH"
+
+algo_gmsh = "Delaunay"
+#algo_gmsh = "HXT"
+
+salome.salome_init()
+
+
+
+###
+### GEOM component
+###
+
+import GEOM
+from salome.geom import geomBuilder
+import math
+import SALOMEDS
+
+
+geompy = geomBuilder.New()
+
+O = geompy.MakeVertex(0, 0, 0)
+OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
+OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
+OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
+Vertex_1 = geompy.MakeVertex(-0.62375, 0.0575, 0.02)
+Vertex_2 = geompy.MakeVertex(-0.62375, -0.0575, 0.02)
+Vertex_3 = geompy.MakeVertex(-0.365, -0.0575, 0.02)
+Vertex_4 = geompy.MakeVertex(-0.365, 0.0575, 0.02)
+geomObj_1 = geompy.MakeMarker(0, 0, 0, 1, 0, 0, 0, 1, 0)
+Curve_1 = geompy.MakePolyline([Vertex_1, Vertex_4, Vertex_3, Vertex_2], True)
+Face_1 = geompy.MakeFaceWires([Curve_1], 1)
+[right_side] = geompy.SubShapes(Face_1, [6])
+[right_side] = geompy.GetExistingSubObjects(Face_1, False)
+path = geompy.MakePrismDXDYDZ(Vertex_3, 0, 0, 0.1)
+Translation_1 = geompy.MakeTranslation(Vertex_3, 0, -0.02, 0)
+Translation_2 = geompy.MakeTranslation(Vertex_4, 0, 0.02, 0)
+Translation_3 = geompy.MakeTranslation(Vertex_4, 0, 0.02, 0)
+Line_1 = geompy.MakeLineTwoPnt(Translation_3, Translation_1)
+Extrusion_1 = geompy.MakePrismDXDYDZ(Line_1, 0.2, 0, 0)
+Partition_1 = geompy.MakePartition([Extrusion_1], [Face_1], [], [], geompy.ShapeType["FACE"], 0, [], 0)
+Extrusion_2 = geompy.MakePrismDXDYDZ(Partition_1, 0, 0, 0.1)
+[Face_to_enforce] = geompy.SubShapes(Extrusion_2, [30])
+geompy.addToStudy( O, 'O' )
+geompy.addToStudy( OX, 'OX' )
+geompy.addToStudy( OY, 'OY' )
+geompy.addToStudy( OZ, 'OZ' )
+geompy.addToStudy( Vertex_1, 'Vertex_1' )
+geompy.addToStudy( Vertex_2, 'Vertex_2' )
+geompy.addToStudy( Vertex_3, 'Vertex_3' )
+geompy.addToStudy( Vertex_4, 'Vertex_4' )
+geompy.addToStudy( Curve_1, 'Curve_1' )
+geompy.addToStudy( Face_1, 'Face_1' )
+geompy.addToStudyInFather( Face_1, right_side, 'right_side' )
+geompy.addToStudy( path, 'path' )
+geompy.addToStudy( Translation_2, 'Translation_2' )
+geompy.addToStudy( Translation_1, 'Translation_1' )
+geompy.addToStudy( Translation_3, 'Translation_3' )
+geompy.addToStudy( Line_1, 'Line_1' )
+geompy.addToStudy( Extrusion_1, 'Extrusion_1' )
+geompy.addToStudy( Partition_1, 'Partition_1' )
+geompy.addToStudy( Extrusion_2, 'Extrusion_2' )
+geompy.addToStudyInFather( Extrusion_2, Face_to_enforce, 'Face_to_enforce' )
+
+
+# Create a group with other faces than Face_to_enforce
+all_faces = geompy.SubShapeAll(Extrusion_2, geompy.ShapeType["FACE"])
+gr_other_faces = geompy.CreateGroup(Extrusion_2, geompy.ShapeType["FACE"])
+geompy.UnionList(gr_other_faces, all_faces)
+geompy.DifferenceList(gr_other_faces, [Face_to_enforce])
+geompy.addToStudyInFather( Extrusion_2, gr_other_faces, 'other_faces' )
+
+geom_volume = geompy.BasicProperties(Extrusion_2)[2]
+
+###
+### SMESH component
+###
+
+import  SMESH, SALOMEDS
+from salome.smesh import smeshBuilder
+
+smesh = smeshBuilder.New()
+
+Mesh_1 = smesh.Mesh(Face_1,'Mesh_1')
+
+Regular_1D = Mesh_1.Segment()
+Number_of_Segments_1 = Regular_1D.NumberOfSegments(10)
+
+Quadrangle_2D = Mesh_1.Quadrangle(algo=smeshBuilder.QUADRANGLE)
+
+right_side_1 = Mesh_1.GroupOnGeom(right_side,'right_side',SMESH.EDGE)
+Regular_1D_1 = Mesh_1.Segment(geom=right_side)
+
+
+Number_of_Segments_2 = Regular_1D_1.NumberOfSegments(nb_segs_right)
+Propagation_of_1D_Hyp = Regular_1D_1.Propagation()
+
+isDone = Mesh_1.Compute()
+
+Mesh_path = smesh.Mesh(path,'Mesh_path')
+
+Regular_1D_2 = Mesh_path.Segment()
+Local_Length_1 = Regular_1D_2.LocalLength(0.01,None,1e-07)
+
+isDone = Mesh_path.Compute()
+
+([ right_side_extruded, right_side_top ], error) = Mesh_1.ExtrusionAlongPathObjects( [], [ Mesh_1 ], [ Mesh_1 ], Mesh_path, None, 1, 0, [  ], 0, 0, [ 0, 0, 0 ], 1, [  ], 0 )
+
+Mesh_2 = smesh.Mesh(Extrusion_2,'Mesh_2')
+
+# Enforce elements from Mesh_1
+Import_1D2D = Mesh_2.UseExisting2DElements(geom=Face_to_enforce)
+Source_Faces_1 = Import_1D2D.SourceFaces([ right_side_extruded ],0,0)
+
+if algo != "GMSH":
+  # CADSurf is global mesh
+  MG_CADSurf = Mesh_2.Triangle(algo=smeshBuilder.MG_CADSurf)
+else:
+  # CADSurf is a submesh on other faces
+  MG_CADSurf = Mesh_2.Triangle(algo=smeshBuilder.MG_CADSurf, geom=gr_other_faces)
+MG_CADSurf_Parameters_1 = MG_CADSurf.Parameters()
+MG_CADSurf_Parameters_1.SetGeometricMesh( 0 )
+MG_CADSurf_Parameters_1.SetPhySize( 0.005 )
+MG_CADSurf_Parameters_1.SetMinSize( 0.005 )
+MG_CADSurf_Parameters_1.SetMaxSize( 0.005 )
+MG_CADSurf_Parameters_1.SetCorrectSurfaceIntersection( False )
+MG_CADSurf_Parameters_1.SetElementType( 1 ) # Quadrangle preference
+if algo == "MG-Tetra":
+  Mesh_2.Tetrahedron(algo=smeshBuilder.MG_Tetra)
+elif algo == "Netgen":
+  Mesh_2.Tetrahedron()
+elif algo == "GMSH":
+  GMSH = Mesh_2.Tetrahedron(algo=smeshBuilder.GMSH)
+  Gmsh_Parameters = GMSH.Parameters()
+  Gmsh_Parameters.Set2DAlgo( 0 )
+  Gmsh_Parameters.SetMinSize( 0 )
+  Gmsh_Parameters.SetMaxSize(  0.005 )
+  if algo_gmsh == "HXT":
+    Gmsh_Parameters.Set3DAlgo( 4 ) 
+  else:
+    Gmsh_Parameters.Set3DAlgo( 0 ) 
+  Gmsh_Parameters.SetIs2d( 0 )
+
+Face_to_enforce_1 = Mesh_2.GroupOnGeom(Face_to_enforce,'Face_to_enforce',SMESH.FACE)
+
+
+isDone = Mesh_2.Compute()
+
+Mesh_2.MakeGroup("pyramids", SMESH.VOLUME, CritType=SMESH.FT_ElemGeomType, Threshold=SMESH.Geom_PYRAMID)
+
+if salome.sg.hasDesktop():
+  salome.sg.updateObjBrowser()
+
+if not isDone:
+  raise Exception("Error on mesh compute")
+
+mesh_volume = Mesh_2.GetVolume()
+assert abs(mesh_volume-geom_volume)/geom_volume < 1e-7, "Wrong mesh volume"
+
+min_aspect_ratio, max_aspect_ratio = Mesh_2.GetMinMax(SMESH.FT_AspectRatio3D)
+assert max_aspect_ratio < 200, "Bad aspect ratio 3D: %.1f"%max_aspect_ratio
+
+min_volume, max_volume = Mesh_2.GetMinMax(SMESH.FT_Volume3D)
+assert min_volume > 1e-10, "Bad min volume: %s"%min_volume

test/tests.set

@@ -67,6 +67,7 @@ SET(BAD_TESTS
   SMESH_create_dual_mesh_adapt.py
   SMESH_create_dual_mesh_tpipe.py
   netgen_runner.py
+  test_import_1D2D_with_tetras_and_pyras.py
   )
 
 # The following tests can be executed with both 'make test' and 'salome test'.