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109 lines
2.2 KiB
Python
109 lines
2.2 KiB
Python
# CEA/LGLS 2004, Francis KLOSS (OCC)
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# ==================================
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# Import
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# ------
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from geompy import *
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from meshpy import *
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# Piece
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# -----
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# grid compound of 17 x 17 elements
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# an element is compound of 3 cylinders concentriques
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# an element is centered in a square of the grid
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# prisme the grid
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# Geometry
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# --------
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g_x = 0
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g_y = 0
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g_z = 0
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g_arete = 50
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g_hauteur = 30
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g_rayon1 = 20
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g_rayon2 = 30
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g_rayon3 = 40
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# The real value for CEA, but need 3 days for computing
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#g_grid = 17
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g_grid = 3
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g_trim = 1000
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# Solids
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# ------
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s_boite = MakeBox(g_x-g_arete, g_y-g_hauteur, g_z-g_arete, g_x+g_arete, g_y+g_hauteur, g_z+g_arete)
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s_pi4 = 3.141592653/4
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s_hauteur = 2*g_hauteur
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s_centre = MakeVertex(g_x, g_y-g_hauteur, g_z)
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s_dir = MakeVectorDXDYDZ(0, 1, 0)
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s_cyl0 = MakeCylinder(s_centre, s_dir, g_rayon3, s_hauteur)
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s_cyl1 = MakeRotation(s_cyl0, s_dir, s_pi4)
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s_blo1 = MakeCut(s_boite, s_cyl1)
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s_cyl0 = MakeCylinder(s_centre, s_dir, g_rayon2, s_hauteur)
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s_cyl2 = MakeRotation(s_cyl0, s_dir, s_pi4)
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s_blo2 = MakeCut(s_cyl1, s_cyl2)
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s_cyl0 = MakeCylinder(s_centre, s_dir, g_rayon1, s_hauteur)
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s_cyl3 = MakeRotation(s_cyl0, s_dir, s_pi4)
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s_blo3 = MakeCut(s_cyl2, s_cyl3)
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s_arete = g_rayon1/2
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s_blo4 = MakeBox(g_x-s_arete, g_y-g_hauteur, g_z-s_arete, g_x+s_arete, g_y+g_hauteur, g_z+s_arete)
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s_blo5 = MakeCut(s_cyl3, s_blo4)
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# Partition
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# ---------
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p_tools = []
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p_tools.append(MakePlane(s_centre, MakeVectorDXDYDZ( 1, 0, 1), g_trim))
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p_tools.append(MakePlane(s_centre, MakeVectorDXDYDZ(-1, 0, 1), g_trim))
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p_partie = MakePartition([s_blo1, s_blo2, s_blo3, s_blo5], p_tools, [], [], ShapeType["SOLID"])
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# Compound
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# --------
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c_cpd = SubShapeAll(p_partie, ShapeType["SOLID"])
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c_cpd.append(s_blo4)
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c_element = MakeCompound(c_cpd)
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# Grid
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# ----
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piece = MakeMultiTranslation2D(c_element, MakeVectorDXDYDZ(1, 0, 0), 2*g_arete, g_grid,
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MakeVectorDXDYDZ(0, 0, 1), 2*g_arete, g_grid)
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# Add in study
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# ------------
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piece_id = addToStudy(piece, "Grid17partition")
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# Meshing
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# =======
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# Create hexahedrical mesh on piece
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# ---------------------------------
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m_hexa=MeshHexa(piece, 4, "Grid17partitionHexa")
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# Compute
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# -------
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m_hexa.Compute()
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