def test_perceptMesh_walk_nodes(self):
self.fixture_setup()
p_size = self.pm.size
p_rank = self.pm.rank
if p_size <= 2:
n = 12
nx = n
ny = n
sidesets_on = 1
fixture = QuadFixture_4(self.pm, nx, ny, sidesets_on)
fixture.meta_data.commit()
fixture.generate_mesh()
eMesh = PerceptMesh(fixture.meta_data, fixture.bulk_data)
eMesh.print_info("quad fixture", 2)
metaData = eMesh.get_fem_meta_data()
parts = metaData.get_parts()
nparts = len(parts)
print "Number of parts = ", nparts
surface_id = 2
surface_name = "surface_" + str(surface_id)
part = eMesh.get_part(surface_name)
in_surface_selector = Selector(part)
bulkData = eMesh.get_bulk_data()
coordField = eMesh.get_coordinates_field()
if eMesh.get_spatial_dim() == 2:
buckets_arg = eMesh.edge_rank()
else:
buckets_arg = eMesh.face_rank
buckets = bulkData.buckets(buckets_arg)
sum = 0.0
def test_perceptMesh_walk_nodes(self):
self.fixture_setup()
p_size = self.pm.size
p_rank = self.pm.rank
if p_size <= 2:
n = 12
nx = n
ny = n
sidesets_on = 1
fixture = QuadFixture_4(self.pm, nx, ny, sidesets_on)
fixture.meta_data.commit()
fixture.generate_mesh()
eMesh = PerceptMesh(fixture.meta_data, fixture.bulk_data)
eMesh.print_info("quad fixture", 2)
metaData = eMesh.get_fem_meta_data()
parts = metaData.get_parts()
nparts = len(parts)
print "Number of parts = ", nparts
surface_id = 2
surface_name = "surface_" + str(surface_id)
part = eMesh.get_part(surface_name)
in_surface_selector = Selector(part)
bulkData = eMesh.get_bulk_data()
coordField = eMesh.get_coordinates_field()
if eMesh.get_spatial_dim() == 2:
buckets_arg = eMesh.edge_rank()
else:
buckets_arg = eMesh.face_rank
buckets = bulkData.buckets(buckets_arg)
sum = 0.0
def test_high_level_interface(self):
self.fixture_setup()
p_size = parallel_machine_size(self.pm)
if p_size <= 2:
eMesh = PerceptMesh(2)
eMesh.open("./exodus_files/quad_fixture.e")
vectorDimension = 0
eMesh.add_field("coords_mag_field", FEMMetaData.NODE_RANK,
vectorDimension)
eMesh.commit()
f_coords = eMesh.get_field("coordinates")
coords_mag_field = eMesh.get_field("coords_mag_field")
ff_coords = FieldFunction("ff_coords", f_coords, eMesh, 2, 2)
#eval_vec3_print(0.1,0.1,0.1,0.0,ff_coords)
coords_mag_sf = StringFunction("sqrt(x*x + y*y )", "coords_mag_sf",
2, 1)
x = 0.123
y = 0.234
vv = sqrt(x * x + y * y)
v1 = eval_func2(x, y, 0, coords_mag_sf)
print "vv = ", vv, "== v1 = ", v1
self.assertEqual(vv, v1)
coords_mag_field_function = FieldFunction(
"coords_mag_field_function", coords_mag_field, eMesh, 2, 1)
coords_mag_field_function.interpolateFrom(coords_mag_sf)
eMesh.save_as("./exodus_files/quad_fixture_with_coords_mag.e")
ff_coords.add_alias("mc")
sfcm = StringFunction("sqrt(mc[0]*mc[0]+mc[1]*mc[1]+mc[2]*mc[2])",
"sfcm", 3, 1)
add_newlines = True
eMesh.print_info("quad fixture", 2, add_newlines)
self.assertTrue(eMesh.get_spatial_dim() == 2)
self.assertTrue(eMesh.get_number_elements() == 12 * 12)
self.assertTrue(eMesh.get_number_nodes() == 13 * 13)
self.assertTrue(eMesh.get_parallel_size() == p_size)
self.assertTrue(eMesh.get_bulk_data() != 0)
self.assertTrue(eMesh.get_fem_meta_data() != 0)
# // entity data setter/getters
node = eMesh.get_node(1)
self.assertTrue(node != 0)
cm1 = eMesh.get_field_data(coords_mag_field, node)
co1 = [0, 0]
co1[0] = eMesh.get_field_data(f_coords, node, 0)
co1[1] = eMesh.get_field_data(f_coords, node, 1)
print "cm1= ", cm1, " co1= ", co1
eMesh.set_field_data(123.0, f_coords, node, 0)
co1[0] = eMesh.get_field_data(f_coords, node, 0)
print " co1= ", co1
element = eMesh.get_element(1)
self.assertTrue(element != 0)
element1 = eMesh.get_entity(eMesh.element_rank(), 1)
self.assertTrue(element == element1)
#/// find node closest to given point
node = eMesh.get_node(0, 0)
self.assertTrue(node != 0)
#/// find element that contains given point
element = eMesh.get_element(0.01, 0.01)
self.assertTrue(element != 0)
def test_high_level_interface(self):
self.fixture_setup()
p_size = parallel_machine_size(self.pm)
if p_size <= 2:
eMesh = PerceptMesh(2)
eMesh.open("./exodus_files/quad_fixture.e")
vectorDimension = 0
eMesh.add_field("coords_mag_field", FEMMetaData.NODE_RANK, vectorDimension)
eMesh.commit()
f_coords = eMesh.get_field("coordinates")
coords_mag_field = eMesh.get_field("coords_mag_field")
ff_coords = FieldFunction("ff_coords", f_coords, eMesh, 2, 2)
#eval_vec3_print(0.1,0.1,0.1,0.0,ff_coords)
coords_mag_sf = StringFunction("sqrt(x*x + y*y )" , "coords_mag_sf", 2, 1)
x = 0.123
y = 0.234
vv = sqrt(x*x + y*y )
v1 = eval_func2(x,y,0,coords_mag_sf)
print "vv = ", vv, "== v1 = ", v1
self.assertEqual(vv, v1)
coords_mag_field_function = FieldFunction("coords_mag_field_function", coords_mag_field, eMesh, 2, 1)
coords_mag_field_function.interpolateFrom(coords_mag_sf)
eMesh.save_as("./exodus_files/quad_fixture_with_coords_mag.e")
ff_coords.add_alias("mc")
sfcm = StringFunction("sqrt(mc[0]*mc[0]+mc[1]*mc[1]+mc[2]*mc[2])", "sfcm", 3, 1)
add_newlines = True
eMesh.print_info("quad fixture", 2, add_newlines)
self.assertTrue(eMesh.get_spatial_dim() == 2)
self.assertTrue(eMesh.get_number_elements() == 12*12)
self.assertTrue(eMesh.get_number_nodes() == 13*13)
self.assertTrue(eMesh.get_parallel_size() == p_size)
self.assertTrue(eMesh.get_bulk_data() != 0)
self.assertTrue(eMesh.get_fem_meta_data() != 0)
# // entity data setter/getters
node = eMesh.get_node(1)
self.assertTrue(node != 0)
cm1 = eMesh.get_field_data(coords_mag_field, node)
co1 = [0,0]
co1[0] = eMesh.get_field_data(f_coords, node, 0)
co1[1] = eMesh.get_field_data(f_coords, node, 1)
print "cm1= ", cm1, " co1= ", co1
eMesh.set_field_data(123.0, f_coords, node, 0)
co1[0] = eMesh.get_field_data(f_coords, node, 0)
print " co1= ", co1
element = eMesh.get_element(1)
self.assertTrue(element != 0)
element1 = eMesh.get_entity(eMesh.element_rank(), 1)
self.assertTrue(element == element1)
#/// find node closest to given point
node = eMesh.get_node(0,0)
self.assertTrue(node != 0)
#/// find element that contains given point
element = eMesh.get_element(0.01, 0.01)
self.assertTrue(element != 0)
dofs=[0]*num_meshes
rates=[0]*(num_meshes-1)*num_norms
print "rates= ", rates
#####################################################################################
# B) loop over meshes and compute errors
for i in range(0,num_meshes):
pMesh = PerceptMesh(2)
pMesh.open(mesh_files[i])
pMesh.commit()
print "mesh_files[i]= " , i, mesh_files[i]
spatial_dim=pMesh.get_spatial_dim()
# TODO: check that this matches the StringFunction exact solution
metaData = pMesh.get_fem_meta_data()
bulkData = pMesh.get_bulk_data()
nodal_field = metaData.get_field(metaData.NODE_RANK, nodal_fields[0])
ff_Tnd = FieldFunction(nodal_fields[0], nodal_field, bulkData, Dimensions(spatial_dim), Dimensions(1))
error_string = [exact_soln_name[0]+" - "+nodal_fields[0]];
error_name = [nodal_fields[0]+"_err"]
print "error_string= ", error_string
sf_Terr = StringFunction(error_string[0], error_name[0], Dimensions(spatial_dim), Dimensions(1))
numSteps = pMesh.get_database_time_step_count()
print "numSteps= ", numSteps, " nodal_fields[0]= ", nodal_fields[0]
dofs_are_elems=True;
dofs=[0]*num_meshes
rates=[0]*(num_meshes-1)*num_norms
print "rates= ", rates
#####################################################################################
# B) loop over meshes and compute errors
for i in range(0,num_meshes):
pMesh = PerceptMesh(2)
pMesh.open(mesh_files[i])
pMesh.commit()
spatial_dim=pMesh.get_spatial_dim()
# TODO: check that this matches the StringFunction exact solution
metaData = pMesh.get_fem_meta_data()
bulkData = pMesh.get_bulk_data()
nodal_field = metaData.get_field(nodal_fields[0])
ff_Tnd = FieldFunction(nodal_fields[0], nodal_field, bulkData, Dimensions(spatial_dim), Dimensions(1))
error_string = [exact_soln_name[0]+" - "+nodal_fields[0]];
error_name = [nodal_fields[0]+"_err"]
sf_Terr = StringFunction(error_string[0], error_name[0], Dimensions(spatial_dim), Dimensions(1))
numSteps = pMesh.get_database_time_step_count()
pMesh.read_database_at_step(numSteps)
