diff --git a/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true0.dat b/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true0.dat index 43942c473..dcb56d403 100644 --- a/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true0.dat +++ b/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true0.dat @@ -1,1038 +1,1127 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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910 + + + + + + + diff --git a/tests/regression_tests/unstructured_mesh/source_sampling/test.py b/tests/regression_tests/unstructured_mesh/source_sampling/test.py index 3612c6cf4..d4b445f35 100644 --- a/tests/regression_tests/unstructured_mesh/source_sampling/test.py +++ b/tests/regression_tests/unstructured_mesh/source_sampling/test.py @@ -13,6 +13,8 @@ from subprocess import call TETS_PER_VOXEL = 12 +# This test uses a geometry file that resembles a regular mesh. + @pytest.fixture def model(): @@ -31,35 +33,19 @@ def model(): # This test uses a geometry file that resembles a regular mesh. # 12 tets are used to match each voxel in the geometry. - dimen = 10 - size_hex = 20.0 / dimen + # create a regular mesh that matches the superimposed mesh + regular_mesh = openmc.RegularMesh(mesh_id=10) + regular_mesh.lower_left = (-10, -10, -10) + regular_mesh.dimension = (10, 10, 10) + regular_mesh.width = (2, 2, 2) - cells = np.empty((dimen, dimen, dimen), dtype=object) - surfaces = np.empty((dimen + 1, 3), dtype=object) + root_cell, cells = regular_mesh.build_cells() - geometry = openmc.Geometry() - universe = openmc.Universe(universe_id=1, name="Contains all hexes") + geometry = openmc.Geometry(root=[root_cell]) - for i in range(0,dimen+1): - coord = -dimen + i * size_hex - surfaces[i][0] = openmc.XPlane(coord, name=f"X plane at {coord}") - surfaces[i][1] = openmc.YPlane(coord, name=f"Y plane at {coord}") - surfaces[i][2] = openmc.ZPlane(coord, name=f"Z plane at {coord}") - - surfaces[i][0].boundary_type = 'vacuum' - surfaces[i][1].boundary_type = 'vacuum' - surfaces[i][2].boundary_type = 'vacuum' - - for (k, j, i) in np.ndindex(cells.shape): - cells[i][j][k] = openmc.Cell(name=("x = {}, y = {}, z = {}".format(i,j,k))) - cells[i][j][k].region = +surfaces[i][0] & -surfaces[i+1][0] & \ - +surfaces[j][1] & -surfaces[j+1][1] & \ - +surfaces[k][2] & -surfaces[k+1][2] - cells[i][j][k].fill = None - - universe.add_cell(cells[i][j][k]) - - geometry = openmc.Geometry(universe) + # set boundary conditions of the root cell + for surface in root_cell.region.get_surfaces().values(): + surface.boundary_type = 'vacuum' ### Settings ### settings = openmc.Settings() @@ -68,10 +54,10 @@ def model(): settings.batches = 2 mesh_filename = "test_mesh_tets.e" - uscd_mesh = openmc.UnstructuredMesh(mesh_filename, 'libmesh') - n_cells = len(geometry.get_all_cells()) + # subtract one to account for root cell + n_cells = len(geometry.get_all_cells()) - 1 # set source weights according to test case vol_norm = False @@ -87,12 +73,10 @@ def model(): energy = openmc.stats.Discrete(x=[15.e+06], p=[1.0]) source = openmc.Source(space=space, energy=energy) settings.source = source - return openmc.model.Model(geometry=geometry, materials=materials, settings=settings) - test_cases = [] for i, lib, in enumerate(['libmesh', 'moab']): test_cases.append({'library' : lib, diff --git a/tests/unit_tests/test_source_mesh.py b/tests/unit_tests/test_source_mesh.py index 18c6f3360..223524fdf 100644 --- a/tests/unit_tests/test_source_mesh.py +++ b/tests/unit_tests/test_source_mesh.py @@ -29,35 +29,19 @@ def model(): # This test uses a geometry file that resembles a regular mesh. # 12 tets are used to match each voxel in the geometry. - dimen = 10 - size_hex = 20.0 / dimen + # create a regular mesh that matches the superimposed mesh + regular_mesh = openmc.RegularMesh(mesh_id=10) + regular_mesh.lower_left = (-10, -10, -10) + regular_mesh.dimension = (10, 10, 10) + regular_mesh.width = (2, 2, 2) - cells = np.empty((dimen, dimen, dimen), dtype=object) - surfaces = np.empty((dimen + 1, 3), dtype=object) + root_cell, cells = regular_mesh.build_cells() - geometry = openmc.Geometry() - universe = openmc.Universe(universe_id=1, name="Contains all hexes") + geometry = openmc.Geometry(root=[root_cell]) - for i in range(0, dimen+1): - coord = -dimen + i * size_hex - surfaces[i][0] = openmc.XPlane(coord, name=f"X plane at {coord}") - surfaces[i][1] = openmc.YPlane(coord, name=f"Y plane at {coord}") - surfaces[i][2] = openmc.ZPlane(coord, name=f"Z plane at {coord}") - - surfaces[i][0].boundary_type = 'vacuum' - surfaces[i][1].boundary_type = 'vacuum' - surfaces[i][2].boundary_type = 'vacuum' - - for (k, j, i) in np.ndindex(cells.shape): - cells[i][j][k] = openmc.Cell(name=("x = {}, y = {}, z = {}".format(i,j,k))) - cells[i][j][k].region = +surfaces[i][0] & -surfaces[i+1][0] & \ - +surfaces[j][1] & -surfaces[j+1][1] & \ - +surfaces[k][2] & -surfaces[k+1][2] - cells[i][j][k].fill = None - - universe.add_cell(cells[i][j][k]) - - geometry = openmc.Geometry(universe) + # set boundary conditions of the root cell + for surface in root_cell.region.get_surfaces().values(): + surface.boundary_type = 'vacuum' ### Settings ### settings = openmc.Settings() @@ -69,6 +53,7 @@ def model(): materials=materials, settings=settings) +### Setup test cases ### param_values = (['libmesh', 'moab'], # mesh libraries ['uniform', 'manual']) # Element weighting schemes @@ -78,6 +63,7 @@ for i, (lib, schemes) in enumerate(product(*param_values)): 'source_strengths' : schemes}) def ids(params): + """Test naming function for clarity""" return f"{params['library']}-{params['source_strengths']}" @pytest.mark.parametrize("test_cases", test_cases, ids=ids) @@ -91,10 +77,10 @@ def test_unstructured_mesh_sampling(model, test_cases): # setup mesh source ### mesh_filename = "test_mesh_tets.e" - uscd_mesh = openmc.UnstructuredMesh(mesh_filename, test_cases['library']) - n_cells = len(model.geometry.get_all_cells()) + # subtract one to account for root cell produced by RegularMesh.build_cells + n_cells = len(model.geometry.get_all_cells()) - 1 # set source weights according to test case if test_cases['source_strengths'] == 'uniform': @@ -115,8 +101,6 @@ def test_unstructured_mesh_sampling(model, test_cases): with cdtemp(['test_mesh_tets.e']): model.export_to_xml() - n_cells = len(model.geometry.get_all_cells()) - n_measurements = 100 n_samples = 1000 @@ -135,7 +119,8 @@ def test_unstructured_mesh_sampling(model, test_cases): cells = [openmc.lib.find_cell(s.r) for s in sites] for c in cells: - cell_counts[c[0]._index, m] += 1 + # subtract one from index to account for root cell + cell_counts[c[0]._index - 1, m] += 1 openmc.lib.finalize()