Exemple #1
0
def solve(solver_name, problem_name, options):
    'Solve the problem by solver with options.'

    # Set cpp_compiler options
    parameters["form_compiler"]["cpp_optimize"] = True

    # Set debug level
    set_log_active(options['debug'])

    # Set refinement level
    options['N'] = mesh_sizes[options['refinement_level']]

    # Create problem and solver
    problem = Problem(problem_name, options)
    solver = Solver(solver_name, options)

    time_step = solver.get_timestep(problem)[0]

    if MPI.process_number() == 0 and options['verbose']:
        print 'Problem: ' + str(problem)
        print 'Solver:  ' + str(solver)

    # Solve problem with solver
    wct = time.time()
    u, p = solver.solve(problem)

    # Compute elapsed time
    wct = time.time() - wct

    # Compute number of degrees of freedom
    num_dofs = u.vector().size() + p.vector().size()

    # Get the mesh size
    mesh_size = u.function_space().mesh().hmin()

    # Get functional value and error
    functional, error = solver.eval()

    # Save results
    cpu_time = solver.cputime()
    save_results(problem, solver, num_dofs, mesh_size, time_step, functional,
                 error)

    return 0
Exemple #2
0
def solve(solver_name, problem_name, options):
  'Solve the problem by solver with options.'

  # Set cpp_compiler options
  parameters["form_compiler"]["cpp_optimize"] = True

  # Set debug level
  set_log_active(options['debug'])

  # Set refinement level
  options['N'] = mesh_sizes[options['refinement_level']]

  # Create problem and solver
  problem = Problem(problem_name, options)
  solver = Solver(solver_name, options)

  time_step = solver.get_timestep(problem)[0]

  if MPI.process_number() == 0 and options['verbose']:
    print 'Problem: ' + str(problem)
    print 'Solver:  ' + str(solver)

  # Solve problem with solver
  wct = time.time()
  u, p = solver.solve(problem)

  # Compute elapsed time
  wct = time.time() - wct

  # Compute number of degrees of freedom
  num_dofs = u.vector().size() + p.vector().size()

  # Get the mesh size
  mesh_size = u.function_space().mesh().hmin()

  # Get functional value and error
  functional, error = solver.eval()

  # Save results
  cpu_time = solver.cputime()
  save_results(problem, solver, num_dofs, mesh_size, time_step, functional, error)

  return 0