submarine moved to ../3d_large

benchmarks/3d/Submarine/Submarine.geo

-Merge "Submarine.stp";
-
-//Mesh.CharacteristicLengthExtendFromBoundary=0;
-Mesh.Algorithm=9;
-Mesh.Algorithm3D=9;
-Mesh.Smoothing=0;
-Mesh.Recombine3DAll=1;
-//0: hex, 1: hex+prisms, 2: hex+prism+1-step pyramids, 3: hex+prism+2-steps pyramids
-Mesh.Recombine3DLevel = 2;
-//conformity - 0: nonconforming, 1: trihedra, 2: pyramids+trihedra, 3:pyramids+hexPrismSplit+trihedra, 4:hexPrismSplit+trihedra
-Mesh.Recombine3DConformity = 4;
-Mesh.SaveParametric = 1;
-
-MeshAlgorithm Surface {12} = 5; //Not in final mesh
-MeshAlgorithm Surface {10} = 5;
-MeshAlgorithm Surface {11} = 5;
-
-//Mesh.Algorithm=5;
-//Mesh.Algorithm3D=5;
-
-Mesh.Optimize = 0;
-
-//Mesh.CharacteristicLengthMax = 25;
-
-LcMin = 39;
-LcMax = 78;
-//LcMin = 80;
-//LcMax = 160;
-Characteristic Length {14, 13, 15, 16, 10, 9, 11, 12, 6, 5, 19, 8, 4, 3, 7, 2, 1} = LcMax;
-Characteristic Length {21} = LcMin;
-Characteristic Length {17, 18} = LcMin;
-Characteristic Length {20} = LcMax;
-
-Compound Line(34) = {22, 24, 25};
-Compound Surface(13) = {10};
-Compound Surface(14) = {11};
-Compound Surface(15) = {12};
-
-submarineLine[] = {15, 21, 17, 26, 11, 20, 13, 27, 29, 8, 19, 10, 34};
-Physical Line(1) = submarineLine[];
-submarineSurf[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 13};
-Physical Surface(2) = submarineSurf[];
-Physical Surface(3) = {14,15};
-Physical Volume(4) = {1};
-Physical Line(5) = {30, 31};

benchmarks/3d/Submarine/optimize.py

-from gmshpy import *
-import sys
-import pickle
-import preprofix
-name = "Submarine"
-
-g = GModel()
-g.load(name + ".geo")
-g.mesh(3)
-g.writeMSH(name + ".msh", 3.0)
-#g.load(name + ".msh")
-g.setAllVolumesPositiveTopology()
-
-g.writeMSH(name + "_topology.msh", 3.0)
-preprofix.fixTetras(g)
-preprofix.fixPyramids(g)
-preprofix.fixPrisms(g)
-preprofix.fixHexs(g)
-g.writeMSH(name + "_FIX.msh", 3.0)
-
-#exit()
-#preprofix.fixPyramids(g)
-
-#g.writeMSH(name + "Fix.msh",3.0)
-
-OH = MeshQualOptParameters()
-OH.onlyVisible = False
-OH.dim = 3
-OH.fixBndNodes = False    # Fix boundary nodes or not
-OH.strategy = 0           # 0 = Connected blobs, 1 = Adaptive one-by-one (recommended in 3D)
-
-OH.excludeHex = False
-OH.excludePrism = False
-OH.nbLayers = 3          # Nb. of layers around invalid element to construct blob
-OH.distanceFactor = 3    # Distance factor to construct blob
-OH.maxPatchAdapt = 5       # Number of blob adaption iteration
-OH.maxLayersAdaptFact = 3 # Factor to multiply nb. of layers when adapting
-OH.distanceAdaptFact = 3 # Factor to multiply distance factor when adapting
-#OH.weight = 0
-OH.onlyValidity = False
-#OH.minTargetIdealJac = 0.1
-OH.minTargetInvCondNum = 0.3
-
-#OH.weightFixed = 1.e-3
-#OH.weightFree = 1.e-6
-
-OH.nCurses = 1
-OH.logFileName = "log"
-
-OH.maxOptIter = 20             # Nb of optimixation iterations
-OH.maxBarrierUpdates = 15        # Nb. of optimization passes
-
-#print("minTargetIdealJac = %g" % OH.minTargetIdealJac)
-print("minTargetInvCondNum = %g" % OH.minTargetInvCondNum)
-print("nbLayers = %g, distanceFactor = %g" % (OH.nbLayers, OH.distanceFactor))
-print("itMax = %g, optPassMax = %g" % (OH.maxOptIter, OH.maxBarrierUpdates))
-#print("weightFree = %g, weightFixed = %g" % (OH.weightFree, OH.weightFixed))
-print("strategy = %g" % OH.strategy)
-print("maxAdaptBlob = %g" % OH.maxPatchAdapt)
-print("maxLayersAdaptFact = %g, distanceAdaptFact = %g" % (OH.maxLayersAdaptFact, OH.distanceAdaptFact))
-
-MeshQualityOptimizer(g, OH)
-
-#print("RESULT: minNCJ = %g, maxNCJ = %g, CPU = %g" % (OH.minNCJ, OH.maxNCJ, OH.CPU))
-#print("RESULT: minInvIdealJac = %g, maxInvIdealJac = %g, CPU = %g" %
-#      (OH.minIdealJac, OH.maxIdealJac, OH.CPU))
-print("RESULT: minInvCondNum = %g, maxInvCondNum = %g, CPU = %g" %
-      (OH.minInvCondNum, OH.maxInvCondNum, OH.CPU))
-
-g.writeMSH(name + "_opt.msh", 3.0)
-pOpt = meshPartitionOptions()
-pOpt.setNumOfPartitions(5)
-PartitionMesh(g,  pOpt)
-g.writeMSH(name + "_opt_part.msh", 3.0)
-
-#g.writeMSH(name + "_OK.msh",3.0,False,False,False,1.0,0,0)
-

benchmarks/3d/Submarine/preprofix.py

-import gmshpy
-import math
-
-
-def areCoplanarFaces(f0, f1, tol) :
-    n0 = f0.normal()
-    n1 = f1.normal()
-    return (abs(math.acos(gmshpy.dot(n0, n1))*180/math.pi) < tol)
-
-def nbVerticesOnSurface(el) :
-    vent = [el.getVertex(i).onWhat().dim() for i in range(el.getNumVertices())]
-    return  len([e for e in vent if e < 3])
-
-def isBadElement(el) :
-    fs = [el.getFace(i) for i in range(el.getNumFaces())]
-    bad = False
-    for i in range(len(fs)) :
-        for j in range(i):
-            bad |= areCoplanarFaces(fs[i], fs[j], 10) #10 degrees min angle allowed
-    return bad    
-
-def fixTetras(m):
-    for r in m.bindingsGetRegions() :
-	goodt = [t for t in r.tetrahedra if (not ((nbVerticesOnSurface(t) == 4) and  isBadElement(t)))]
-        oldSize = r.tetrahedra.size()
-        r.tetrahedra.clear()
-        for t in goodt :
-            r.addTetrahedron(t)
-        print("-- Removed %i tetrahedra over %i"%(oldSize-r.tetrahedra.size(), oldSize))
-
-
-def fixPyramids(m):
-    for r in m.bindingsGetRegions() :
-	goodp = [p for p in r.pyramids if (not ((nbVerticesOnSurface(p) == 5) and  isBadElement(p)))]
-        oldSize = r.pyramids.size()
-        r.pyramids.clear()
-        for p in goodp :
-            r.addPyramid(p)
-        print("-- Removed %i pyramids over %i"%(oldSize-r.pyramids.size(), oldSize))
-
-def fixPrisms(m):
-    for r in m.bindingsGetRegions() :
-	goodp = [p for p in r.prisms if (not ((nbVerticesOnSurface(p) == 6) and  isBadElement(p)))]
-        oldSize = r.prisms.size()
-        r.prisms.clear()
-        for p in goodp :
-            r.addPrism(p)
-        print("-- Removed %i prisms over %i"%(oldSize-r.prisms.size(), oldSize))
-
-def fixHexs(m):
-    for r in m.bindingsGetRegions() :
-	goodh = [h for h in r.hexahedra if (not ((nbVerticesOnSurface(h) == 8) and  isBadElement(p)))]
-        oldSize = r.hexahedra.size()
-        r.hexahedra.clear()
-        for h in goodh :
-            r.addHexahedron(h)
-        print("-- Removed %i hexahedra over %i"%(oldSize-r.hexahedra.size(), oldSize))
-
-
-