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https://git.salome-platform.org/gitpub/modules/smesh.git
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113 lines
3.0 KiB
Python
113 lines
3.0 KiB
Python
# contains function to compute a mesh in parallel
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import salome
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salome.salome_init()
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import salome_notebook
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notebook = salome_notebook.NoteBook()
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###
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### GEOM component
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###
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import GEOM
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from salome.geom import geomBuilder
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from salome.smesh import smeshBuilder
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import SALOMEDS
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import numpy as np
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geompy = geomBuilder.New()
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nbox = 2
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boxsize = 100
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offset = 0
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# Create 3D faces
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boxes = []
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# First creating all the boxes
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# for i in range(nbox):
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# for j in range(nbox):
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# for k in range(nbox):
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# x_orig = i*(boxsize+offset)
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# y_orig = j*(boxsize+offset)
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# z_orig = k*(boxsize+offset)
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# tmp_box = geompy.MakeBoxDXDYDZ(boxsize, boxsize, boxsize)
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# if not i == j == k == 0:
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# box = geompy.MakeTranslation(tmp_box, x_orig,
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# y_orig, z_orig)
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# else:
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# box = tmp_box
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# geompy.addToStudy(box, 'box_{}:{}:{}'.format(i, j, k))
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# boxes.append(box)
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#With 6 boxes works
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#But simplify for 2 boxes to also Test possibility of rewritting the
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# input mesh from other parallel tests. In that case this test will break
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# because the input mesh will not match the exported/imported box geometry.
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for i in range(nbox):
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for j in range(1):
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for k in range(1):
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x_orig = i*(boxsize+offset)
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y_orig = j*(boxsize+offset)
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z_orig = k*(boxsize+offset)
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tmp_box = geompy.MakeBoxDXDYDZ(boxsize, boxsize, boxsize)
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if not i == j == k == 0:
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box = geompy.MakeTranslation(tmp_box, x_orig,
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y_orig, z_orig)
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else:
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box = tmp_box
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geompy.addToStudy(box, 'box_{}:{}:{}'.format(i, j, k))
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boxes.append(box)
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# Create fuse of all boxes
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all_boxes = geompy.MakeCompound(boxes)
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geompy.addToStudy(all_boxes, 'Compound_1')
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# Removing duplicates faces and edges
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all_boxes = geompy.MakeGlueFaces(all_boxes, 1e-07)
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geompy.addToStudy(all_boxes, 'Glued_Faces_1')
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rubik_cube = geompy.MakeGlueEdges(all_boxes, 1e-07)
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geompy.addToStudy(rubik_cube, 'rubik_cube')
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smesh = smeshBuilder.New()
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print("Creating Parallel Mesh")
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par_mesh = smesh.ParallelMesh(rubik_cube, name="par_mesh")
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print("Creating hypoehtesis for netgen")
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NETGEN_2D_Parameters_1 = smesh.CreateHypothesisByAverageLength( 'NETGEN_Parameters_2D',
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'NETGENEngine', 34.641, 0 )
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print("Adding hypothesis")
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par_mesh.Add2DGlobalHypothesis(NETGEN_2D_Parameters_1)
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print("Setting parallelism method")
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par_mesh.SetParallelismMethod(smeshBuilder.MULTITHREAD)
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print("Setting parallelism options")
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param = par_mesh.GetParallelismSettings()
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param.SetNbThreads(6)
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print("Starting parallel compute")
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is_done = par_mesh.Compute()
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if not is_done:
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raise Exception("Error when computing Mesh")
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print(" Triangle: ", par_mesh.NbTriangles())
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print(" edge: ", par_mesh.NbEdges())
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assert par_mesh.NbTetras() == 0
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assert par_mesh.NbTriangles() > 0
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assert par_mesh.NbEdges() > 0
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