2 directions for boundary faces
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@ -2,52 +2,40 @@ import os
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import subprocess
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import multiprocessing
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src = os.getcwd()
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build = os.path.join(src, "../build")
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def salome(src_path, build_path, coefficient, direction):
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subprocess.run(["salome", "start", "-t", src_path, "args:{},{}".format(build_path, coefficient, direction)])
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if not os.path.exists(build):
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os.makedirs(build)
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if __name__ == "__main__":
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# Get main paths
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project = os.getcwd()
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src = os.path.join(project, "src")
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build = os.path.join(project, "build")
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###
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if not os.path.exists(build):
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os.makedirs(build)
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alpha = []
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###
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processes = []
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structures = ["simple-cubic"] #, "bc-cubic", "fc-cubic"]
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directions = ["001", "100"]
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coefficients = [ alpha * 0.01 for alpha in range(1, 13 + 1) ]
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for n in range(0.01, 0.13 + 0.01, 0.01):
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alpha.append(n)
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for structure in structures:
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for direction in directions:
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for coefficient in coefficients:
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src_path = os.path.join(src, "{}.py".format(structure))
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build_path = os.path.join(build,
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structure,
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"direction-{}".format(direction),
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"alpha-{}".format(coefficient))
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if not os.path.exists(build_path):
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os.makedirs(build_path)
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# Structures
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simpleCubic = os.path.join(src, "simple-cubic/main.py")
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# Body-centered cubic
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#bcCubic = os.path.join(path, "bc-cubic/main.py")
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# Face-centered cubic
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#fcCubic = os.path.join(path, "fc-cubic/main.py")
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print("starting process")
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p = multiprocessing.Process(target = salome, args = (src_path, build_path, coefficient, direction))
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processes.append(p)
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p.start()
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###
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processes = []
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structure = ["simple-cubic"] #, "bc-cubic", "fc-cubic"]
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direction = ["1"]
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def salome(src_path, build_path, arg):
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subprocess.run(["salome", "start", "-t", src_path, "args:{},{}".format(build_path, arg)])
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for s in structure:
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s_path = os.path.join(build, s)
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for d in direction:
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d_path = os.path.join(s_path, d)
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for c in alpha:
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src_path = os.path.join(src, "%s/main.py" % s)
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build_path = os.path.join(d_path, str(c))
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if not os.path.exists(build_path):
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os.makedirs(build_path)
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print("starting process")
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p = multiprocessing.Process(target = salome, args = (src_path, build_path, c))
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processes.append(p)
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p.start()
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for process in processes:
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process.join()
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for process in processes:
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process.join()
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@ -1,83 +0,0 @@
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import GEOM
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from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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import math
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def create(alpha):
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# xyz axes
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axes = [
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geompy.MakeVectorDXDYDZ(1, 0, 0),
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geompy.MakeVectorDXDYDZ(0, 1, 0),
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geompy.MakeVectorDXDYDZ(0, 0, 1)
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]
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# Main box
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box = geompy.MakeBoxDXDYDZ(2 * math.sqrt(2), 2 * math.sqrt(2), 2)
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box = geompy.MakeRotation(box, axes[2], 45 * math.pi / 180.0)
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box = geompy.MakeTranslation(box, 2, 0, 0)
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vtx = [
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geompy.MakeVertex(2, 0, 0),
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geompy.MakeVertex(2, 2, 0),
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geompy.MakeVertex(2, 2, 2)
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]
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line = geompy.MakeLineTwoPnt(vtx[1], vtx[2])
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# Spheres for cutting
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sphere = geompy.MakeSpherePntR(vtx[0], 1 / (1 - alpha))
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sphere = geompy.MakeMultiTranslation1D(sphere, axes[1], 2, 3)
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cut = geompy.MakeCutList(box, [sphere], True)
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sphere2 = geompy.MakeTranslation(sphere, 0, 0, 2)
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cut2 = geompy.MakeCutList(cut, [sphere2], True)
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sphere3 = geompy.MakeRotation(sphere, line, 90 * math.pi / 180.0)
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cut3 = geompy.MakeCutList(cut2, [sphere3], True)
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sphere4 = geompy.MakeTranslation(sphere3, 0, 0, 2)
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# Main geometry
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Pore = geompy.MakeCutList(cut3, [sphere4], True)
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geompy.addToStudy(Pore, "PORE")
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#
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# D /\ B A(1, 1, 0) \vec{n}(1, 1, 0)
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# / \ B(3, 3, 0) \vec{n}(1, 1, 0)
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# \ / C(3, 1, 0) \vec{n}(-1, 1, 0)
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# A \/ C D(1, 3, 0) \vec{n}(-1, 1, 0)
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#
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# Prepare faces
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vtx.append(geompy.MakeVertex(2, 2, 2))
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vtx.append(geompy.MakeVertexWithRef(vtx[3], 0, 0, 1))
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vec2 = geompy.MakeVector(vtx[3], vtx[4])
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plane = geompy.MakePlane(vtx[3], vec2, 5)
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common1 = geompy.MakeCommonList([Pore, plane], True)
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plane = geompy.MakeTranslation(plane, 0, 0, -2)
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common2 = geompy.MakeCommonList([Pore, plane], True)
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# TODO: make 4 planes A B C D
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Pore = geompy.MakeFillet(Pore, 0.1, geompy.ShapeType["EDGE"], [24, 27, 35])
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# Main groups (inlet, outlet, wall)
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inlet = geompy.CreateGroup(Pore, geompy.ShapeType["FACE"])
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gip = geompy.GetInPlace(Pore, common1, True)
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faces = geompy.SubShapeAll(gip, geompy.ShapeType["FACE"])
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geompy.UnionList(inlet, faces)
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outlet = geompy.CreateGroup(Pore, geompy.ShapeType["FACE"])
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gip = geompy.GetInPlace(Pore, common2, True)
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faces = geompy.SubShapeAll(gip, geompy.ShapeType["FACE"])
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geompy.UnionList(outlet, faces)
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PoreGroup = geompy.CreateGroup(Pore, geompy.ShapeType["FACE"])
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faces = geompy.SubShapeAllIDs(Pore, geompy.ShapeType["FACE"])
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geompy.UnionIDs(PoreGroup, faces)
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wall = geompy.CutListOfGroups([PoreGroup], [inlet, outlet])
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return Pore, [inlet, outlet, wall]
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@ -1,35 +0,0 @@
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import os, sys
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import salome
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salome.salome_init()
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import geometry, mesh
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#alpha = [ 0.1, 0.15, 0.2 ]
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build_path = str(sys.argv[1])
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coef = float(sys.argv[2])
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#for coef in alpha:
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print("alpha = {}".format(coef))
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print("Building geometry ...")
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Pore, bc = geometry.create(coef)
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#geometry.geompy.addToStudy(Pore, 'Pore {}'.format(coef))
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#geometry.geompy.addToStudyInFather(Pore, bc[0], "INLET")
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print("Building mesh ...")
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PoreMesh = mesh.create(Pore, bc)
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isDone = PoreMesh.Compute()
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status = "Succesfully" if isDone else "Mesh is not computed"
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print(status)
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try:
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filename = os.path.join(build_path, "mesh.unv")
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PoreMesh.ExportUNV(filename)
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pass
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except:
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print('ExportUNV() failed. Invalid file name?')
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if salome.sg.hasDesktop():
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salome.sg.updateObjBrowser()
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@ -1,34 +0,0 @@
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import SMESH, SALOMEDS
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from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New()
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def create(geomObj, bc):
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mesh = smesh.Mesh(geomObj)
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netgen = mesh.Tetrahedron(algo=smeshBuilder.NETGEN_1D2D3D)
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param = netgen.Parameters()
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param.SetSecondOrder( 0 )
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param.SetOptimize( 1 )
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param.SetChordalError( -1 )
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param.SetChordalErrorEnabled( 0 )
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param.SetUseSurfaceCurvature( 1 )
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param.SetFuseEdges( 1 )
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param.SetCheckChartBoundary( 0 )
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param.SetMinSize( 0.01 )
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param.SetMaxSize( 0.1 )
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param.SetFineness( 4 )
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#param.SetGrowthRate( 0.1 )
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#param.SetNbSegPerEdge( 5 )
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#param.SetNbSegPerRadius( 10 )
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param.SetQuadAllowed( 0 )
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vlayer = netgen.ViscousLayers(0.025, 2, 1.1, [],
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1, smeshBuilder.NODE_OFFSET)
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mesh.GroupOnGeom(bc[0], 'inlet', SMESH.FACE)
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mesh.GroupOnGeom(bc[1], 'outlet', SMESH.FACE)
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mesh.GroupOnGeom(bc[2], 'wall', SMESH.FACE)
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return mesh
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@ -15,6 +15,19 @@ class simpleCubic:
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salome.salome_init()
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def geometryCreate(self, alpha):
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"""
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Create the simple cubic geometry.
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Parameters:
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alpha (float): Sphere intersection parameter which used for cutting spheres from box.
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Radius = R_0 / (1 - alpha)
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Should be from 0.01 to 0.13
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Returns:
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Configured geometry.
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"""
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geompy = geomBuilder.New()
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#
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@ -58,15 +71,44 @@ class simpleCubic:
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geompy.addToStudy(self.geometry, self.name)
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return self.geometry
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def boundaryCreate(self, direction):
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geompy = geomBuilder.New()
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"""
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Create the boundary faces from the geometry.
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Parameters:
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direction (str): Direction of the flow.
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'001' for the flow with normal vector (0, 0, -1) to face.
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'100' for the flow with normal vector (-1, 0, 0) to face.
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Returns:
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boundary (dict):
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{
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"inlet": <GEOM._objref_GEOM_Object>,
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"outlet": <GEOM._objref_GEOM_Object>,
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"symetryPlane": <GEOM._objref_GEOM_Object>,
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"wall": <GEOM._objref_GEOM_Object>
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}
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"""
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#
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# D /\ B A(1, 1, 0) \vec{n}(1, 1, 0)
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# / \ B(3, 3, 0) \vec{n}(1, 1, 0)
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# \ / C(3, 1, 0) \vec{n}(-1, 1, 0)
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# A \/ C D(1, 3, 0) \vec{n}(-1, 1, 0)
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# _____ z |
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# //////| | | flow
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# ////// | |___y f
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# | | / /
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# |____|/ /x direction [0, 0, 1]
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#
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# _____ z f
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# / /| | / flow
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# /____/ | |___y /
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# |||||| / /
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# ||||||/ /x direction [1, 0, 0]
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#
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geompy = geomBuilder.New()
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center = geompy.MakeVertex(2, 2, 1)
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rot = [0, 0, 45]
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@ -78,7 +120,9 @@ class simpleCubic:
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elif direction == "100":
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norm = geompy.MakeVector(center,
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geompy.MakeVertexWithRef(center, 1, 0, 0))
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geompy.MakeVertexWithRef(center,
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math.cos((90 + rot[2]) * math.pi / 180.0),
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-math.sin((90 + rot[2]) * math.pi / 180.0), 0))
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vstep = math.sqrt(2)
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hstep = 1
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@ -102,14 +146,13 @@ class simpleCubic:
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box = geompy.MakeBoxDXDYDZ(2 * math.sqrt(2), 2 * math.sqrt(2), 2)
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box = geompy.MakeRotation(box, axes[2], 45 * math.pi / 180.0)
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box = geompy.MakeTranslation(box, 2, 0, 0)
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planes = geompy.ExtractShapes(box,
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geompy.ShapeType["FACE"], True)
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planes = geompy.ExtractShapes(box, geompy.ShapeType["FACE"], True)
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vplanes = []
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hplanes = []
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for plane in planes:
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planeNorm = geompy.GetNormal(plane)
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angle = geompy.GetAngle(planeNorm, norm)
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angle = abs(geompy.GetAngle(planeNorm, norm))
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if angle == 0 or angle == 180:
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vplanes.append(plane)
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@ -117,26 +160,29 @@ class simpleCubic:
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else:
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hplanes.append(plane)
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zvplane1 = vplanes[0]
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zvplane2 = vplanes[1]
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if direction == "001":
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if geompy.GetPosition(zvplane1)[3] > geompy.GetPosition(zvplane1)[3]:
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inletplane = zvplane1
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outletplane = zvplane2
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z1 = geompy.GetPosition(vplanes[0])[3]
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z2 = geompy.GetPosition(vplanes[1])[3]
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if z1 > z2:
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inletplane = vplanes[0]
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outletplane = vplanes[1]
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else:
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inletplane = zvplane2
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outletplane = zvplane1
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inletplane = vplanes[1]
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outletplane = vplanes[0]
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elif direction == "100":
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if geompy.GetPosition(zvplane1)[1] > geompy.GetPosition(zvplane1)[1]:
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inletplane = zvplane1
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outletplane = zvplane2
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x1 = geompy.GetPosition(vplanes[0])[1]
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x2 = geompy.GetPosition(vplanes[1])[1]
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if x1 > x2:
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inletplane = vplanes[0]
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outletplane = vplanes[1]
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else:
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inletplane = zvplane2
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outletplane = zvplane1
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inletplane = vplanes[1]
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outletplane = vplanes[0]
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# inlet and outlet
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@ -146,9 +192,6 @@ class simpleCubic:
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common2 = geompy.MakeCommonList([self.geometry, outletplane], True)
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outlet = createGroup(common2, "outlet")
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geompy.addToStudy(inletplane, "inletplane")
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geompy.addToStudy(outletplane, "outletplane")
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# symetryPlane(s)
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symetryPlane = geompy.CreateGroup(self.geometry, geompy.ShapeType["FACE"], "symetryPlane")
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@ -173,10 +216,35 @@ class simpleCubic:
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return self.boundary
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def meshCreate(self):
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def meshCreate(self, fineness, viscousLayers=None):
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"""
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Creates a mesh from a geometry.
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Parameters:
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fineness (int): Fineness of mesh.
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0 - Very coarse,
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1 - Coarse,
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2 - Moderate,
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3 - Fine,
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4 - Very fine.
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viscousLayers (dict or None): Defines viscous layers for mesh.
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By default, inlets and outlets specified without layers.
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{
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"thickness": float,
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"number": int,
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"stretch": float
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}
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Returns:
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Configured instance of class <SMESH.SMESH_Mesh>, containig the parameters and boundary groups.
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"""
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smesh = smeshBuilder.New()
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mesh = smesh.Mesh(geomObj)
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mesh = smesh.Mesh(self.geometry)
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netgen = mesh.Tetrahedron(algo=smeshBuilder.NETGEN_1D2D3D)
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param = netgen.Parameters()
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@ -189,25 +257,28 @@ class simpleCubic:
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param.SetCheckChartBoundary( 0 )
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param.SetMinSize( 0.01 )
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param.SetMaxSize( 0.1 )
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param.SetFineness( 4 )
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param.SetFineness(fineness)
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#param.SetGrowthRate( 0.1 )
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#param.SetNbSegPerEdge( 5 )
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#param.SetNbSegPerRadius( 10 )
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param.SetQuadAllowed( 0 )
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vlayer = netgen.ViscousLayers(0.025, 2, 1.1, [],
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1, smeshBuilder.NODE_OFFSET)
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mesh.GroupOnGeom(self.boundary["inlet"], "inlet", SMESH.FACE)
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mesh.GroupOnGeom(self.boundary["outlet"], "outlet", SMESH.FACE)
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mesh.GroupOnGeom(self.boundary["symetryPlane"], "symetryPlane", SMESH.FACE)
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mesh.GroupOnGeom(self.boundary["wall"], "wall", SMESH.FACE)
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if not viscousLayers is None:
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vlayer = netgen.ViscousLayers(viscousLayers["thickness"],
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viscousLayers["number"],
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viscousLayers["stretch"],
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[self.boundary["inlet"], self.boundary["outlet"]],
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1, smeshBuilder.NODE_OFFSET)
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for name, boundary in self.boundary.items():
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mesh.GroupOnGeom(boundary, name, SMESH.FACE)
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self.mesh = mesh
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return self.mesh
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def meshCompute(self):
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"""Compute the mesh."""
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status = self.mesh.Compute()
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if status:
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@ -217,6 +288,12 @@ class simpleCubic:
|
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print("Mesh is not computed.")
|
||||
|
||||
def meshExport(self, path):
|
||||
"""
|
||||
Export the mesh in a file in UNV format.
|
||||
|
||||
Parameters:
|
||||
path (string): full path to the expected directory.
|
||||
"""
|
||||
exportpath = os.path.join(path, "{}.unv".format(self.name))
|
||||
|
||||
try:
|
||||
@ -230,12 +307,15 @@ if __name__ == "__main__":
|
||||
alpha = float(sys.argv[2])
|
||||
direction = str(sys.argv[3])
|
||||
|
||||
#salome.salome_init()
|
||||
sc = simpleCubic("simpleCubic-{}-{}".format(direction, alpha))
|
||||
sc.geometryCreate(alpha)
|
||||
sc.boundaryCreate(direction)
|
||||
#sc.meshCreate()
|
||||
#sc.meshCompute()
|
||||
sc.meshCreate(2, {
|
||||
"thickness": 0.02,
|
||||
"number": 2,
|
||||
"stretch": 1.1
|
||||
})
|
||||
sc.meshCompute()
|
||||
#sc.meshExport(build)
|
||||
|
||||
if salome.sg.hasDesktop():
|
||||
|
||||
@ -1,14 +0,0 @@
|
||||
digraph structure {
|
||||
node [shape=plaintext]
|
||||
s1 [label="src/simple-cubic/geometry.py"]
|
||||
s2 [label="src/simple-cubic/mesh.py"]
|
||||
s3 [label="src/simple-cubic/main.py"]
|
||||
s1 -> s3
|
||||
s2 -> s3
|
||||
s4 [label="src/genmesh.py"]
|
||||
s3 -> s4
|
||||
b1 [label="build/simple-cubic/direction-1/0.1/"]
|
||||
s4 -> b1 [label="[alpha=0.1, direction=1, mesh.unv]"]
|
||||
s5 [label="src/prefoam.py"]
|
||||
s5 -> b1 [label="[0, constant, system (/src/foam/*)]"]
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user