126 lines
3.8 KiB
Python
126 lines
3.8 KiB
Python
import salome
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salome.salome_init()
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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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from math import pi, sqrt
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def simpleCubic(theta = 0.01, fillet = False):
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###
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# Parameters
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##
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r0 = 1.0
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L = 2 * r0
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radius = r0 / (1 - theta)
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xn, yn, zn = 3, 3, 3
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length = L * sqrt(2)
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width = L * sqrt(2)
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height = L
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xl = sqrt(length ** 2 * 0.5)
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yw = xl
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zh = height
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C1, C2 = 0.8, 0.05
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theta1, theta2 = 0.01, 0.28
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Cf = C1 + (C2 - C1) / (theta2 - theta1) * (theta - theta1)
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filletradius = Cf * (radius - r0)
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scale = 100
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oo = geompy.MakeVertex(0, 0, 0)
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###
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# Bounding box
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##
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# YZ
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sk = geompy.Sketcher3D()
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sk.addPointsAbsolute(xl, 0, 0)
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sk.addPointsAbsolute(0, yw, 0)
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sk.addPointsAbsolute(0, yw, zh)
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sk.addPointsAbsolute(xl, 0, zh)
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sk.addPointsAbsolute(xl, 0, 0)
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inletface = geompy.MakeFaceWires([sk.wire()], True)
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vecflow = geompy.GetNormal(inletface)
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cubic = geompy.MakePrismVecH(inletface, vecflow, width)
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inletface = geompy.MakeScaleTransform(inletface, oo, scale)
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cubic = geompy.MakeScaleTransform(cubic, oo, scale)
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faces = geompy.ExtractShapes(cubic, geompy.ShapeType["FACE"], False)
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symetryface = []
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for face in faces:
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norm = geompy.GetNormal(face)
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angle = round(geompy.GetAngle(norm, vecflow), 0)
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if (angle == 0 or angle == 180) and not face == inletface:
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outletface = face
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else:
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symetryface.append(face)
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###
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# Grains
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##
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ox = geompy.MakeVectorDXDYDZ(1, 0, 0)
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oy = geompy.MakeVectorDXDYDZ(0, 1, 0)
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oz = geompy.MakeVectorDXDYDZ(0, 0, 1)
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grain = geompy.MakeSphereR(radius)
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lattice = geompy.MakeMultiTranslation2D(grain, ox, L, xn, oy, L, yn)
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lattice = geompy.MakeMultiTranslation1D(lattice, oz, L, zn)
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grains = geompy.ExtractShapes(lattice, geompy.ShapeType["SOLID"], True)
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grains = geompy.MakeFuseList(grains, False, False)
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grains = geompy.MakeScaleTransform(grains, oo, scale)
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if fillet:
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grains = geompy.MakeFilletAll(grains, filletradius * scale)
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###
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# Groups
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##
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shape = geompy.MakeCutList(cubic, [grains])
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shape = geompy.MakeScaleTransform(shape, oo, 1 / scale, theName = "simpleCubic")
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sall = geompy.CreateGroup(shape, geompy.ShapeType["FACE"])
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geompy.UnionIDs(sall,
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geompy.SubShapeAllIDs(shape, geompy.ShapeType["FACE"]))
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inlet = geompy.CreateGroup(shape, geompy.ShapeType["FACE"], theName = "inlet")
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inletshape = geompy.MakeCutList(inletface, [grains])
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inletshape = geompy.MakeScaleTransform(inletshape, oo, 1 / scale)
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geompy.UnionList(inlet, geompy.SubShapeAll(
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geompy.GetInPlace(shape, inletshape, True), geompy.ShapeType["FACE"]))
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outlet = geompy.CreateGroup(shape, geompy.ShapeType["FACE"], theName = "outlet")
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outletshape = geompy.MakeCutList(outletface, [grains])
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outletshape = geompy.MakeScaleTransform(outletshape, oo, 1 / scale)
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geompy.UnionList(outlet, geompy.SubShapeAll(
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geompy.GetInPlace(shape, outletshape, True), geompy.ShapeType["FACE"]))
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symetry = []
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for (n, face) in enumerate(symetryface):
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name = "symetry" + str(n)
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symetry.append(geompy.CreateGroup(shape, geompy.ShapeType["FACE"], theName = name))
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symetryshape = geompy.MakeCutList(face, [grains])
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symetryshape = geompy.MakeScaleTransform(symetryshape, oo, 1 / scale)
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geompy.UnionList(symetry[n], geompy.SubShapeAll(
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geompy.GetInPlace(shape, symetryshape, True), geompy.ShapeType["FACE"]))
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groups = []
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groups.append(inlet)
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groups.append(outlet)
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groups.extend(symetry)
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wall = geompy.CutListOfGroups([sall], groups, theName = "wall")
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return shape
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