def main(id_problem, is_coarse=False, tol=1e-5, if_export=False):
gb = example_1_create_grid.create(0.5 / float(id_problem), tol)
if is_coarse:
co.coarsen(gb, 'by_tpfa')
folder_export = "example_1_vem_coarse/"
else:
folder_export = "example_1_vem/"
file_name_error = folder_export + "vem_error.txt"
if if_export:
save = Exporter(gb, "vem", folder_export)
example_1_data.assign_frac_id(gb)
# Assign parameters
example_1_data.add_data(gb, tol)
# Choose and define the solvers and coupler
solver_flow = vem_dual.DualVEMDFN(gb.dim_max(), 'flow')
A_flow, b_flow = solver_flow.matrix_rhs(gb)
solver_source = vem_source.DualSourceDFN(gb.dim_max(), 'flow')
A_source, b_source = solver_source.matrix_rhs(gb)
up = sps.linalg.spsolve(A_flow + A_source, b_flow + b_source)
solver_flow.split(gb, "up", up)
gb.add_node_props(["discharge", 'pressure', "P0u", "err"])
solver_flow.extract_u(gb, "up", "discharge")
solver_flow.extract_p(gb, "up", 'pressure')
solver_flow.project_u(gb, "discharge", "P0u")
only_max_dim = lambda g: g.dim == gb.dim_max()
diam = gb.diameter(only_max_dim)
error_pressure = example_1_data.error_pressure(gb, "p")
error_discharge = example_1_data.error_discharge(gb, "P0u")
print("h=", diam, "- err(p)=", error_pressure, "- err(P0u)=",
error_discharge)
error_pressure = example_1_data.error_pressure(gb, 'pressure')
with open(file_name_error, 'a') as f:
info = str(gb.num_cells(only_max_dim)) + " " +\
str(gb.num_cells(only_max_dim)) + " " +\
str(error_pressure) + " " +\
str(error_discharge) + " " +\
str(gb.num_faces(only_max_dim)) + "\n"
f.write(info)
if if_export:
save.write_vtk(['pressure', "err", "P0u"])
def main(id_problem, tol=1e-5, if_export=False):
folder_export = "example_1_tpfa/"
file_name_error = folder_export + "tpfa_error.txt"
gb = example_1_create_grid.create(0.5 / float(id_problem), tol)
if if_export:
save = Exporter(gb, "tpfa", folder_export)
example_1_data.assign_frac_id(gb)
# Assign parameters
example_1_data.add_data(gb, tol)
# Choose and define the solvers and coupler
solver_flow = tpfa.TpfaDFN(gb.dim_max(), "flow")
A_flow, b_flow = solver_flow.matrix_rhs(gb)
solver_source = source.IntegralDFN(gb.dim_max(), "flow")
A_source, b_source = solver_source.matrix_rhs(gb)
p = sps.linalg.spsolve(A_flow + A_source, b_flow + b_source)
solver_flow.split(gb, "pressure", p)
def only_max_dim(g):
return g.dim == gb.dim_max()
diam = gb.diameter(only_max_dim)
error_pressure = example_1_data.error_pressure(gb, "pressure")
print("h=", diam, "- err(p)=", error_pressure)
with open(file_name_error, "a") as f:
info = (str(gb.num_cells(only_max_dim)) + " " +
str(gb.num_cells(only_max_dim)) + " " + str(error_pressure) +
"\n")
f.write(info)
if if_export:
save.write_vtk(["pressure", "err"])