def get_core(number, flag):
""" Return the core for the C5G7 benchmark.
See get_pincells for parameter definition.
"""
assemblies = get_assemblies(number, flag)
core = Core.Create(3)
core.add_assembly(assemblies[0])
core.add_assembly(assemblies[1])
core.add_assembly(assemblies[2])
core_map = [0, 1, 2, 1, 0, 2, 2, 2, 2]
core.finalize(core_map)
return core
def get_core(number, flag) :
""" Return the assemblies for the C5G7 benchmark.
See get_pincells for parameter definition.
"""
assemblies = get_assemblies(number, flag)
core = Core.Create(3)
core.add_assembly(assemblies[0])
core.add_assembly(assemblies[1])
core.add_assembly(assemblies[2])
core_map = [0,1,2,
1,0,2,
2,2,2]
core.finalize(core_map)
return core
def run():
#-----------------------------------------------------------------------------#
# Input
#-----------------------------------------------------------------------------#
inp = InputDB.Create()
inp.put_str("equation", "dd")
inp.put_str("problem_type", "eigenvalue")
inp.put_int("number_groups", 7)
#
inp.put_str("inner_solver", "SI")
inp.put_int("inner_max_iters", 10)
inp.put_dbl("inner_tolerance", 1e-3)
inp.put_int("inner_print_level", 0)
inp.put_int("inner_print_interval", 10)
#
inp.put_str("outer_solver", "GS")
inp.put_int("outer_max_iters", 10)
inp.put_dbl("outer_tolerance", 1e-4)
inp.put_int("outer_print_level", 0)
inp.put_int("outer_print_interval", 1)
#
inp.put_str("eigen_solver", "PI")
inp.put_int("eigen_max_iters", 1000)
inp.put_dbl("eigen_tolerance", 1e-6)
inp.put_int("eigen_print_level", 2)
inp.put_int("eigen_print_interval", 1)
inp.put_dbl("eigen_pi_omega", 1.0)
#
inp.put_str("bc_west", "reflect")
inp.put_str("bc_east", "reflect")
inp.put_str("bc_south", "reflect")
inp.put_str("bc_north", "reflect")
#
inp.put_str("quad_type", "quadruplerange")
inp.put_int("quad_number_polar_octant", 5)
inp.put_int("quad_number_azimuth_octant", 10)
#-----------------------------------------------------------------------------#
# Material
#-----------------------------------------------------------------------------#
mat = get_materials()
#-----------------------------------------------------------------------------#
# Geometry
#-----------------------------------------------------------------------------#
assemblies = get_assemblies(7, True)
mesh = assemblies[1].mesh()
#-----------------------------------------------------------------------------#
# Solve
#-----------------------------------------------------------------------------#
start = time.time()
solver = Eigen2D(inp, mat, mesh)
solver.solve()
print "elapsed = ", time.time() - start
#-----------------------------------------------------------------------------#
# Plot
#-----------------------------------------------------------------------------#
try:
state = solver.state()
silo = SiloOutput(mesh)
silo.initialize("c5g7assembly.silo")
silo.write_scalar_flux(state)
silo.finalize()
except:
print "Silo error?"
inp.put_str("bc_left", "reflect")
inp.put_str("bc_right", "reflect")
inp.put_str("bc_bottom", "reflect")
inp.put_str("bc_top", "reflect")
#-----------------------------------------------------------------------------#
# Material
#-----------------------------------------------------------------------------#
mat = get_materials()
for m in range(0, 7) :
for g in range(0, 7) :
mat.set_diff_coef(m, g, 1.0/(3.0*mat.sigma_t(m, g)))
mat.finalize()
#-----------------------------------------------------------------------------#
# Geometry
#-----------------------------------------------------------------------------#
assemblies = get_assemblies(7, True)
mesh = assemblies[0].mesh()
#-----------------------------------------------------------------------------#
# State
#-----------------------------------------------------------------------------#
state = State.Create(inp, mesh)
#-----------------------------------------------------------------------------#
# Execute
#-----------------------------------------------------------------------------#
Manager.initialize(sys.argv)
solver = DiffusionEigensolver(inp, mat, mesh, state)
t = time.time()
solver.solve()
print "elapsed = ", time.time()-t
#-----------------------------------------------------------------------------#
# Plot
def run() :
#for n in range(1, 11) :
n = 2
#-----------------------------------------------------------------------------#
# Input
#-----------------------------------------------------------------------------#
inp = utilities.InputDB.Create()
inp.put_str("equation", "dd")
inp.put_str("problem_type", "eigenvalue")
inp.put_int("number_groups", 7)
#
inp.put_str("inner_solver", "SI")
inp.put_int("inner_max_iters", 1000000)
inp.put_dbl("inner_tolerance", 1e-8)
inp.put_int("inner_print_level", 1)
inp.put_int("inner_print_interval", 10)
inp.put_str("inner_pc_type", "DSA")
inp.put_int("inner_pc_side", 2)
#
inp.put_str("outer_solver", "GS")
inp.put_int("outer_max_iters", 1000)
inp.put_dbl("outer_tolerance", 1e-8)
inp.put_int("outer_print_level", 1)
inp.put_int("outer_print_interval", 1)
#inp.put_str("outer_pc_type", "mgdsa")
#inp.put_int("outer_krylov_group_cutoff", 0)
#inp.put_int("outer_pc_side", 2)
#
inp.put_str("bc_west", "vacuum")
inp.put_str("bc_east", "vacuum")
inp.put_str("bc_south", "vacuum")
inp.put_str("bc_north", "vacuum")
#
inp.put_str("quad_type", "chebyshevlegendre")
inp.put_int("quad_number_polar_octant", n)
inp.put_int("quad_number_azimuth_octant", n)
#
solver_db = utilities.InputDB.Create("solver_db")
solver_db.put_dbl("linear_solver_atol", 0.0);
solver_db.put_dbl("linear_solver_rtol", 1e-8);
solver_db.put_str("linear_solver_type", "petsc");
solver_db.put_int("linear_solver_maxit", 50000);
solver_db.put_int("linear_solver_gmres_restart", 30);
solver_db.put_int("linear_solver_monitor_level", 1);
#
preconditioner_db = utilities.InputDB.Create("preconditioner_db")
preconditioner_db.put_dbl("linear_solver_atol", 0.0);
preconditioner_db.put_dbl("linear_solver_rtol", 0.1);
preconditioner_db.put_str("linear_solver_type", "petsc");
preconditioner_db.put_int("linear_solver_maxit", 5000);
preconditioner_db.put_int("linear_solver_gmres_restart", 30);
preconditioner_db.put_int("linear_solver_monitor_level", 0);
preconditioner_db.put_str("pc_type", "petsc_pc");
preconditioner_db.put_str("petsc_pc_type", "ilu");
preconditioner_db.put_int("petsc_pc_factor_levels", 2);
#
inp.put_spdb("inner_solver_db", solver_db)
inp.put_spdb("inner_pc_db", preconditioner_db)
inp.put_spdb("outer_solver_db", solver_db)
inp.put_spdb("outer_pc_db", preconditioner_db)
#-----------------------------------------------------------------------------#
# Material
#-----------------------------------------------------------------------------#
mat = get_materials()
mat.compute_diff_coef()
#-----------------------------------------------------------------------------#
# Geometry
#-----------------------------------------------------------------------------#
assemblies = get_assemblies(7, True)
mesh = assemblies[0].mesh()
#-----------------------------------------------------------------------------#
# Source and Solve
#-----------------------------------------------------------------------------#
solver = Fixed2D(inp, mat, mesh)
solver.setup()
quad = solver.quadrature()
q_e = external_source.ConstantSource.Create(7, mesh, 1.0, quad)
solver.set_source(q_e)
solver.set_solver()
t = time.time()
solver.solve()
print "elapsed = ", time.time()-t
phi = np.asarray(solver.state().phi(0))
def run():
#for n in range(1, 11) :
n = 2
#-----------------------------------------------------------------------------#
# Input
#-----------------------------------------------------------------------------#
inp = utilities.InputDB.Create()
inp.put_str("equation", "dd")
inp.put_str("problem_type", "eigenvalue")
inp.put_int("number_groups", 7)
#
inp.put_str("inner_solver", "SI")
inp.put_int("inner_max_iters", 1000000)
inp.put_dbl("inner_tolerance", 1e-8)
inp.put_int("inner_print_level", 1)
inp.put_int("inner_print_interval", 10)
inp.put_str("inner_pc_type", "DSA")
inp.put_int("inner_pc_side", 2)
#
inp.put_str("outer_solver", "GS")
inp.put_int("outer_max_iters", 1000)
inp.put_dbl("outer_tolerance", 1e-8)
inp.put_int("outer_print_level", 1)
inp.put_int("outer_print_interval", 1)
#inp.put_str("outer_pc_type", "mgdsa")
#inp.put_int("outer_krylov_group_cutoff", 0)
#inp.put_int("outer_pc_side", 2)
#
inp.put_str("bc_west", "vacuum")
inp.put_str("bc_east", "vacuum")
inp.put_str("bc_south", "vacuum")
inp.put_str("bc_north", "vacuum")
#
inp.put_str("quad_type", "chebyshevlegendre")
inp.put_int("quad_number_polar_octant", n)
inp.put_int("quad_number_azimuth_octant", n)
#
solver_db = utilities.InputDB.Create("solver_db")
solver_db.put_dbl("linear_solver_atol", 0.0)
solver_db.put_dbl("linear_solver_rtol", 1e-8)
solver_db.put_str("linear_solver_type", "petsc")
solver_db.put_int("linear_solver_maxit", 50000)
solver_db.put_int("linear_solver_gmres_restart", 30)
solver_db.put_int("linear_solver_monitor_level", 1)
#
preconditioner_db = utilities.InputDB.Create("preconditioner_db")
preconditioner_db.put_dbl("linear_solver_atol", 0.0)
preconditioner_db.put_dbl("linear_solver_rtol", 0.1)
preconditioner_db.put_str("linear_solver_type", "petsc")
preconditioner_db.put_int("linear_solver_maxit", 5000)
preconditioner_db.put_int("linear_solver_gmres_restart", 30)
preconditioner_db.put_int("linear_solver_monitor_level", 0)
preconditioner_db.put_str("pc_type", "petsc_pc")
preconditioner_db.put_str("petsc_pc_type", "ilu")
preconditioner_db.put_int("petsc_pc_factor_levels", 2)
#
inp.put_spdb("inner_solver_db", solver_db)
inp.put_spdb("inner_pc_db", preconditioner_db)
inp.put_spdb("outer_solver_db", solver_db)
inp.put_spdb("outer_pc_db", preconditioner_db)
#-----------------------------------------------------------------------------#
# Material
#-----------------------------------------------------------------------------#
mat = get_materials()
mat.compute_diff_coef()
#-----------------------------------------------------------------------------#
# Geometry
#-----------------------------------------------------------------------------#
assemblies = get_assemblies(7, True)
mesh = assemblies[0].mesh()
#-----------------------------------------------------------------------------#
# Source and Solve
#-----------------------------------------------------------------------------#
solver = Fixed2D(inp, mat, mesh)
solver.setup()
quad = solver.quadrature()
q_e = external_source.ConstantSource.Create(7, mesh, 1.0, quad)
solver.set_source(q_e)
solver.set_solver()
t = time.time()
solver.solve()
print "elapsed = ", time.time() - t
phi = np.asarray(solver.state().phi(0))
def run() :
#-----------------------------------------------------------------------------#
# Input
#-----------------------------------------------------------------------------#
inp = InputDB.Create()
inp.put_str("equation", "dd")
inp.put_str("problem_type", "eigenvalue")
inp.put_int("number_groups", 7)
#
inp.put_str("inner_solver", "SI")
inp.put_int("inner_max_iters", 10)
inp.put_dbl("inner_tolerance", 1e-3)
inp.put_int("inner_print_level", 0)
inp.put_int("inner_print_interval", 10)
#
inp.put_str("outer_solver", "GS")
inp.put_int("outer_max_iters", 10)
inp.put_dbl("outer_tolerance", 1e-4)
inp.put_int("outer_print_level", 0)
inp.put_int("outer_print_interval", 1)
#
inp.put_str("eigen_solver", "PI")
inp.put_int("eigen_max_iters", 1000)
inp.put_dbl("eigen_tolerance", 1e-6)
inp.put_int("eigen_print_level", 2)
inp.put_int("eigen_print_interval", 1)
inp.put_dbl("eigen_pi_omega", 1.0)
#
inp.put_str("bc_west", "reflect")
inp.put_str("bc_east", "reflect")
inp.put_str("bc_south", "reflect")
inp.put_str("bc_north", "reflect")
#
inp.put_str("quad_type", "quadruplerange")
inp.put_int("quad_number_polar_octant", 5)
inp.put_int("quad_number_azimuth_octant", 10)
#-----------------------------------------------------------------------------#
# Material
#-----------------------------------------------------------------------------#
mat = get_materials()
#-----------------------------------------------------------------------------#
# Geometry
#-----------------------------------------------------------------------------#
assemblies = get_assemblies(7, True)
mesh = assemblies[1].mesh()
#-----------------------------------------------------------------------------#
# Solve
#-----------------------------------------------------------------------------#
start = time.time()
solver = Eigen2D(inp, mat, mesh)
solver.solve()
print "elapsed = ", time.time() - start
#-----------------------------------------------------------------------------#
# Plot
#-----------------------------------------------------------------------------#
try :
state = solver.state()
silo = SiloOutput(mesh)
silo.initialize("c5g7assembly.silo")
silo.write_scalar_flux(state)
silo.finalize()
except :
print "Silo error?"