4/18/2023 0 Comments Paraview mpiNow you can open a case as usual but you must read the decomposed times. Now you open ParaView and instead of opening a file directly, you connect to your server: File > Connect… If you haven’t done it yet, Add Server: Name: your choice C:\Program Files\ParaView\bin>mpiexec -np 4 pvserver In my case, I decompose my cases into 4 subdomains. Also, on Windows Microsoft MPI is run with mpiexec, on Linux mpirun. The number of MPI processes should be equal to number of decomposed subdomains of the OpenFOAM case you will open. So you need to run a server first but with MPI. ParaView itself can’t render on multiple cores. So here’s a quick’n’dirty tutorial for dummies. Rendering results in ParaView on multiple cores on a desktop computer is a little less explained on the light side of the internets. With XDMFFile(MPI.COMM_WORLD, "Ez_i.xdmf", 'w',Įncoding= OpenFOAM in parallel with MPI is well explained in the OpenFOAM manual. With XDMFFile(MPI.COMM_WORLD, "Et_i.xdmf", 'w', With XDMFFile(MPI.COMM_WORLD, "Ez_r.xdmf", 'w', Sub_mat_zz = mat_zz.createSubMatrix(iset_1, iset_1) Sub_mat_zt = mat_zt.createSubMatrix(iset_1, iset_0) ![]() ![]() With electric_() as bc_local:īndry_facets = np.where(mvc_boundaries.values = 0)īdofs = locate_dofs_topological(W, 1, bndry_facets) Space_i, map_i = W.sub(i).collapse(collapsed_dofs=True)Į_r.tValueLocal(i, 1-1j*sigma_core/(omega*epsilon_0)) Q = FiniteElement('P', mesh.ufl_cell(), 3) V = FiniteElement('N1curl', mesh.ufl_cell(), 2) Mvc_boundaries = xdmf_infile.read_meshtags(mesh, "Grid") With XDMFFile(MPI.COMM_WORLD, "mt.xdmf", "r") as xdmf_infile: Mvc_subdomain = xdmf_infile.read_meshtags(mesh, "Grid") Mesh = xdmf_infile.read_mesh(name="Grid") With XDMFFile(MPI.COMM_WORLD, "mesh.xdmf", "r") as xdmf_infile: Line_mesh = create_mesh(msh, "line", prune_z=True) Triangle_mesh = create_mesh(msh, "triangle", prune_z=True) Geom.add_physical(inner_surface, 'Conductor') Geom.add_physical(outer_arc, 'Dirichlet') ![]() Outer_surface = geom.add_plane_surface(outer_curve_loop) Inner_surface = geom.add_plane_surface(inner_curve_loop) Outer_curve_loop = geom.add_curve_loop(outer_loop_curves) Inner_curve_loop = geom.add_curve_loop(inner_loop_curves) Outer_arc = geom.add_circle_arc(points, points, points) Inner_arc = geom.add_circle_arc(points, points, points) Points.append(geom.add_point(, p], lcar)) Out_mesh = meshio.Mesh(points=mesh.points, cells=) Why? Thanks for any help.įrom ufl import curl, dx, FiniteElement, grad, inner, Measure, TestFunctions, TrialFunctionsįrom dolfinx import Constant, Function, FunctionSpace, geometry, cpp, DirichletBCįrom dolfinx.fem import locate_dofs_topological, assemble_matrix, Form, assemble_matrix_nestĭef create_mesh(mesh, cell_type, prune_z=False):Ĭell_data = mesh.get_cell_data("gmsh:physical", cell_type) ![]() The maximum xt_r is about 3e-5, however the maximum value showed in paraview is about 0.12. With XDMFFile(MPI.COMM_WORLD, "Et_r.xdmf", 'w',Įncoding=5) as file: Dear all, I solved a general eigenvalue problem and got different maximum values of the eigenvector in the code and showed in paraview.
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