1 ##################################################################
2 # Header for salome initialization ###############################
4 import sys, salome, geompy, smesh, SMESH, math, os
5 sys.path.append( os.path.join( os.getenv('SMESH_ROOT_DIR'), '@MACMESH_INSTALL_PY@'))
7 from MacObject import *
8 from SharpAngle import *
9 from CentralUnrefine import *
10 from PublishGroups import *
11 from CompositeBox import *
12 from CompositeBoxF import *
15 import Config, GenFunctions
17 Config.theStudy = salome.myStudy;
18 geompy.init_geom(Config.theStudy)
20 ##################################################################
21 # Mesh name ######################################################
23 Config.StudyName = "SRV_X."
25 ##################################################################
26 # Definition of geometrical parameters ###########################
28 X = 1.0 # Valve initial opening
30 Config.StudyName += str(X)+"mm"
32 R = 7.5 # Upstream pipe radius
33 T = 5.0 # Upstream pipe thickness
34 H = 20.0 # Upstream pipe height
35 J = 6.0 # Jet distance
36 E = 60.0 # Exit extent
38 ##################################################################
39 # Definition of meshing parameters ###############################
41 d = 0.1 # Meshing element size at the inner corner
42 Nl = 1 # Number of levels in the local refinement
43 ##################################################################
47 Bloc.append( SharpAngleOut(0.,0.,X,1.5*X,X,d,'NE',Nl,
48 groups=['PH','PV_IN','VH',None,None,None]) )
51 Bloc.append( CompositeBox(X/2.+0.5*(R-X/2.),0.5*(X+X/2.)-X/2.,R-X/2.,X+X/2.,
52 groups=[None,'VH',None,'AXIS'] ) )
55 Bloc.append( CompositeBoxF((0.,-X/2.),(R,-X/2.),(R,-H),(0.,-H),
56 groups=['IN',None,'PV_IN','AXIS'] ) )
59 Bloc.append( SharpAngleOut(-T,0.,X,X,X,d,'NW',Nl,
60 groups=['PH','PV_OUT',None,None,None,None]) )
63 Bloc.append( SharpAngleOut(-T,X,X,X,X,d,'SW',Nl,
64 groups=['VH','VV',None,None,None,None]) )
68 Bloc.append( MacObject('CompBoxF',[(-X/2.-gap/2.,X/2.),(gap,X)],
69 ['auto'],groups=['PH','VH',None,None] ) )
72 Bloc.append( MacObject('CompBoxF',[(-T-X/2.-(J-X/2.)/2.,X/2.),(J-X/2.,2.*X)],
73 ['auto'],groups=[None,None,None,None] ) )
76 Bloc.append( CentralUnrefine(-T-J,X/2.,2.*E-J,E,'EW',
77 groups=[None,None,None,'OUT_V','OUT_H_HI','OUT_H_LO']))
80 Bloc.append( CompositeBox(-T-J/2.,-X/2.-0.5*((E-X)/2.-X/2.),J,(E-X)/2.-X/2.,
81 groups=['OUT_H_LO',None,None,'PV_OUT'] ) )
84 Bloc.append( CompositeBox(-T-J/2.,X+X/2.+0.5*((E-X)/2.-X/2.),J,(E-X)/2.-X/2.,
85 groups=[None,'OUT_H_HI',None,'VV'] ) )
87 SRVMesh = PublishGroups()
89 RealLocalMeshing = Bloc[0][0].GeoPar[1][0]/Bloc[0][0].DirectionalMeshParams[0]
90 ExtrusionAngle = 2. * math.asin(RealLocalMeshing/(2*R))*180./math.pi
91 print "\nThe mesh will be revolved with an angle of :",ExtrusionAngle
93 RevolveMesh(SRVMesh, Center=[R+0.01,0,0], Direction=[0,1,0], AngleDeg=ExtrusionAngle, Scale=0.001)