1 # -*- coding: utf-8 -*-
13 from salome.geom import geomBuilder
18 geompy = geomBuilder.New()
30 O = geompy.MakeVertex(0, 0, 0)
31 OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
32 OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
33 OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
34 geompy.addToStudy( O, 'O' )
35 geompy.addToStudy( OX, 'OX' )
36 geompy.addToStudy( OY, 'OY' )
37 geompy.addToStudy( OZ, 'OZ' )
39 Cylinder_1 = geompy.MakeCylinderRH(r1, h1)
40 Cylinder_2 = geompy.MakeCylinderRH(r2, h2)
41 Rotation_1 = geompy.MakeRotation(Cylinder_2, OY, -90*math.pi/180.0)
42 Translation_1 = geompy.MakeTranslation(Rotation_1, 0, 0, length_piquage)
44 piquage = geompy.MakeFuseList([Cylinder_1, Translation_1], True, True)
45 geompy.addToStudy( piquage, 'piquage' )
47 Inlet_z = geompy.GetFaceNearPoint(piquage, O)
48 geompy.addToStudyInFather( piquage, Inlet_z, 'Inlet_z' )
50 p_inlet_x = geompy.MakeVertex(-h2, 0, length_piquage)
51 Inlet_x = geompy.GetFaceNearPoint(piquage, p_inlet_x)
52 geompy.addToStudyInFather( piquage, Inlet_x, 'Inlet_x' )
54 p_outlet = geompy.MakeVertex(0, 0, h1)
55 Outlet = geompy.GetFaceNearPoint(piquage, p_outlet)
56 geompy.addToStudyInFather( piquage, Outlet, 'Outlet' )
58 Wall = geompy.CreateGroup(piquage, geompy.ShapeType["FACE"])
59 faces = geompy.SubShapeAll(piquage, geompy.ShapeType["FACE"])
60 geompy.UnionList(Wall, faces)
61 geompy.DifferenceList(Wall, [Inlet_x, Inlet_z, Outlet])
62 geompy.addToStudyInFather( piquage, Wall, 'Wall' )
64 p_corner = geompy.MakeVertex(-r2, 0, length_piquage+r2)
65 corner = geompy.GetVertexNearPoint(piquage, p_corner)
66 geompy.addToStudyInFather( piquage, corner, 'corner' )
68 geom_groups = [Inlet_x, Inlet_z, Outlet, Wall]
75 import SMESH, SALOMEDS
76 from salome.smesh import smeshBuilder
78 from salome.StdMeshers import StdMeshersBuilder
79 from salome.HYBRIDPlugin import HYBRIDPluginBuilder
81 smesh = smeshBuilder.New()
83 # Viscous layers with imprinting
84 # ==============================
86 Mesh_1 = smesh.Mesh(piquage, "Mesh_with_imprinting")
88 NETGEN_2D = Mesh_1.Triangle(algo=smeshBuilder.NETGEN_1D2D)
89 NETGEN_2D_Parameters = NETGEN_2D.Parameters()
91 NETGEN_2D_Parameters.SetMinSize( 0.01 )
92 NETGEN_2D_Parameters.SetLocalSizeOnShape(corner, 0.01)
93 NETGEN_2D_Parameters.SetFineness( 5 )
94 NETGEN_2D_Parameters.SetGrowthRate( 0.1 )
95 NETGEN_2D_Parameters.SetNbSegPerEdge( 2 )
96 NETGEN_2D_Parameters.SetNbSegPerRadius( 3 )
98 wall_faces = geompy.SubShapeAll(Wall, geompy.ShapeType["FACE"])
99 wall_ids = geompy.GetSubShapesIDs(piquage, wall_faces)
100 Inlet_x_id, Inlet_z_id, Outlet_id = geompy.GetSubShapesIDs(piquage, [Inlet_x, Inlet_z, Outlet])
102 MG_Hybrid_2 = Mesh_1.Tetrahedron(algo=smeshBuilder.HYBRID)
103 MG_Hybrid_Parameters_2 = MG_Hybrid_2.Parameters()
104 MG_Hybrid_Parameters_2.SetLayersOnAllWrap( 0 )
105 MG_Hybrid_Parameters_2.SetElementGeneration( HYBRIDPluginBuilder.Generation_Tetra_Dominant )
106 MG_Hybrid_Parameters_2.SetHeightFirstLayer( 0.01 )
107 MG_Hybrid_Parameters_2.SetBoundaryLayersProgression( 1.1 )
108 MG_Hybrid_Parameters_2.SetNbOfBoundaryLayers( 3 )
109 MG_Hybrid_Parameters_2.SetFacesWithLayers( wall_ids )
110 MG_Hybrid_Parameters_2.SetFacesWithImprinting( [ Inlet_x_id, Inlet_z_id, Outlet_id ] )
112 isDone = Mesh_1.Compute()
115 raise Exception("Error when computing Mesh_with_imprinting")
117 assert Mesh_1.NbQuadrangles() > 0
121 for geom_group in geom_groups:
122 name = geom_group.GetName()
123 gr = Mesh_1.Group(geom_group)
124 d_groups_1[name] = gr
125 d_geom_groups[name] = geom_group
127 faces_imprinted = ["Inlet_x", "Inlet_z", "Outlet"]
129 # Check viscous layers with imprinting
130 for name in faces_imprinted:
131 geom_area = geompy.BasicProperties(d_geom_groups[name])[1]
132 gr_1 = d_groups_1[name]
133 #assert gr_1.Size() > 0
134 assert gr_1.Size() > 0
135 # Nb of quadrangles is in 7th index of mesh info
136 assert gr_1.GetMeshInfo()[7] > 0
138 # Compare mesh group and geom group
139 area_error_1 = abs(geom_area-smesh.GetArea(gr_1))/geom_area
140 assert area_error_1 < 0.025
142 # Compare whole mesh volume
143 shape_volume = geompy.BasicProperties(piquage)[2]
144 mesh_1_volume = Mesh_1.GetVolume()
145 volume_error_1 = abs(shape_volume-mesh_1_volume)/shape_volume
147 assert volume_error_1 < 0.02
152 Mesh_snap = smesh.Mesh(piquage, "Mesh_with_snapping")
154 HYBRID_3D = Mesh_snap.Tetrahedron(algo=smeshBuilder.HYBRID)
155 HYBRID_Parameters_2 = HYBRID_3D.Parameters()
156 HYBRID_Parameters_2.SetElementGeneration( 0 )
157 HYBRID_Parameters_2.SetHeightFirstLayer( 0.01 )
158 HYBRID_Parameters_2.SetBoundaryLayersProgression( 1.1 )
159 HYBRID_Parameters_2.SetNbOfBoundaryLayers( 3 )
160 HYBRID_Parameters_2.SetFacesWithLayers( wall_ids )
161 HYBRID_Parameters_2.SetFacesWithSnapping([ Inlet_x_id, Inlet_z_id, Outlet_id ])
162 HYBRID_Parameters_2.SetLayersOnAllWrap( 0 )
164 Import_1D2D = Mesh_snap.UseExisting2DElements(geom=Inlet_x)
165 Source_Faces_1 = Import_1D2D.SourceFaces([ d_groups_1["Inlet_x"] ],0,0)
167 Import_1D2D_1 = Mesh_snap.UseExisting2DElements(geom=Inlet_z)
168 Source_Faces_2 = Import_1D2D_1.SourceFaces([ d_groups_1["Inlet_z"] ],0,0)
170 Import_1D2D_2 = Mesh_snap.UseExisting2DElements(geom=Outlet)
171 Source_Faces_3 = Import_1D2D_2.SourceFaces([ d_groups_1["Outlet"] ],0,0)
173 Import_1D2D_3 = Mesh_snap.UseExisting2DElements(geom=Wall)
174 Source_Faces_4 = Import_1D2D_3.SourceFaces([ d_groups_1["Wall"] ],0,0)
176 isDone = Mesh_snap.Compute()
180 for geom_group in geom_groups:
181 name = geom_group.GetName()
182 gr = Mesh_snap.Group(geom_group)
183 d_groups_2[name] = gr
185 # Compare whole mesh volume
186 mesh_2_volume = Mesh_snap.GetVolume()
187 volume_error_2 = abs(mesh_1_volume-mesh_2_volume)/mesh_1_volume
189 assert volume_error_2 < 1e-4
191 # Check viscous layers with snapping
192 for name in faces_imprinted:
193 gr_1 = d_groups_1[name]
194 gr_2 = d_groups_2[name]
195 assert gr_2.Size() > 0
196 # Nb of quadrangles is in 7th index of mesh info
197 assert gr_1.GetMeshInfo()[7] == gr_1.GetMeshInfo()[7]
199 # Compare mesh group with imprinting set by ids and mesh group with imprinting set by geom group
200 area_error_2 = abs(smesh.GetArea(gr_1)-smesh.GetArea(gr_2))/smesh.GetArea(gr_1)
201 assert area_error_2 < 1e-10
206 Mesh_snap_on_group = smesh.Mesh(piquage, "Mesh_with_snapping_on_groups")
208 HYBRID_3D_on_group = Mesh_snap_on_group.Tetrahedron(algo=smeshBuilder.HYBRID)
209 HYBRID_Parameters_3 = HYBRID_3D_on_group.Parameters()
210 HYBRID_Parameters_3.SetElementGeneration( 0 )
211 HYBRID_Parameters_3.SetHeightFirstLayer( 0.01 )
212 HYBRID_Parameters_3.SetBoundaryLayersProgression( 1.1 )
213 HYBRID_Parameters_3.SetNbOfBoundaryLayers( 3 )
214 HYBRID_Parameters_3.SetFacesWithLayers( wall_ids )
215 HYBRID_3D_on_group.SetFacesWithSnapping([ Inlet_x, Inlet_z, Outlet ])
216 HYBRID_Parameters_3.SetLayersOnAllWrap( 0 )
218 Import_1D2D = Mesh_snap_on_group.UseExisting2DElements(geom=Inlet_x)
219 Source_Faces_1 = Import_1D2D.SourceFaces([ d_groups_1["Inlet_x"] ],0,0)
221 Import_1D2D_1 = Mesh_snap_on_group.UseExisting2DElements(geom=Inlet_z)
222 Source_Faces_2 = Import_1D2D_1.SourceFaces([ d_groups_1["Inlet_z"] ],0,0)
224 Import_1D2D_2 = Mesh_snap_on_group.UseExisting2DElements(geom=Outlet)
225 Source_Faces_3 = Import_1D2D_2.SourceFaces([ d_groups_1["Outlet"] ],0,0)
227 Import_1D2D_3 = Mesh_snap_on_group.UseExisting2DElements(geom=Wall)
228 Source_Faces_4 = Import_1D2D_3.SourceFaces([ d_groups_1["Wall"] ],0,0)
230 isDone = Mesh_snap_on_group.Compute()
234 for geom_group in geom_groups:
235 name = geom_group.GetName()
236 gr = Mesh_snap_on_group.Group(geom_group)
237 d_groups_3[name] = gr
239 # Compare whole mesh volume
240 mesh_3_volume = Mesh_snap_on_group.GetVolume()
241 volume_error_3 = abs(mesh_2_volume-mesh_3_volume)/mesh_2_volume
243 assert volume_error_3 < 1e-10
245 # Check viscous layers with snapping
246 for name in faces_imprinted:
247 gr_2 = d_groups_2[name]
248 gr_3 = d_groups_3[name]
249 assert gr_3.Size() > 0
250 # Nb of quadrangles is in 7th index of mesh info
251 assert gr_2.GetMeshInfo()[7] == gr_3.GetMeshInfo()[7]
253 # Compare mesh group with imprinting set by ids and mesh group with imprinting set by geom group
254 area_error_3 = abs(smesh.GetArea(gr_2)-smesh.GetArea(gr_3))/smesh.GetArea(gr_2)
255 assert area_error_3 < 1e-10