72 lines
1.5 KiB
Python
Executable File
72 lines
1.5 KiB
Python
Executable File
from dolfin import *
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mesh_in = '/home/yeye/Desktop/leomesh.xml'
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mesh_out = '/home/yeye/Desktop/aorta.h5'
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mesh = Mesh(mesh_in)
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hdf = HDF5File(mesh.mpi_comm(), mesh_out, 'w')
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boundaries = MeshFunction('size_t', mesh,2)
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marked = 1
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testmesh = 0
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hdf.write(mesh, '/mesh')
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if marked==1:
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class Inlet(SubDomain):
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def inside(self, x, on_boundary):
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return on_boundary and between(x[0],(0.1975,0.1989)) and between(x[2],(0.07,0.1))
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class Outlet(SubDomain):
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def inside(self, x, on_boundary):
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return on_boundary and between(x[0],(0.1975,0.1989)) and between(x[2],(0,0.04))
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class Walls(SubDomain):
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def inside(self, x, on_boundary):
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return on_boundary
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outlet = Outlet()
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inlet = Inlet()
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walls = Walls()
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boundaries.set_all(0)
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walls.mark(boundaries,1)
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outlet.mark(boundaries,3)
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inlet.mark(boundaries,2)
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hdf.write(boundaries, '/boundaries')
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hdf.close()
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if testmesh:
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print('Testing Mesh...')
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meshname = mesh_out
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pathtoB = '/home/yeye/Desktop/boundaries.xdmf'
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mesh = Mesh()
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hdf = HDF5File(mesh.mpi_comm(), meshname , 'r')
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hdf.read(mesh, '/mesh', False)
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boundaries = MeshFunction('size_t', mesh , mesh.topology().dim() - 1)
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hdf.read(boundaries, '/boundaries')
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# To save the boundaries information
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XDMFFile(pathtoB).write(boundaries)
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print('Boundary info printed in ' + pathtoB)
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