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99 lines
4 KiB
Python
99 lines
4 KiB
Python
import numpy as np
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import openmc
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import pytest
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def test_reg_mesh_from_cell():
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"""Tests a RegularMesh can be made from a Cell and the specified dimensions
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are propagated through. Cell is not centralized"""
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surface = openmc.Sphere(r=10, x0=2, y0=3, z0=5)
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cell = openmc.Cell(region=-surface)
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mesh = openmc.RegularMesh.from_domain(cell, dimension=[7, 11, 13])
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assert isinstance(mesh, openmc.RegularMesh)
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assert np.array_equal(mesh.dimension, (7, 11, 13))
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assert np.array_equal(mesh.lower_left, cell.bounding_box[0])
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assert np.array_equal(mesh.upper_right, cell.bounding_box[1])
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def test_cylindrical_mesh_from_cell():
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"""Tests a CylindricalMesh can be made from a Cell and the specified
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dimensions are propagated through. Cell is not centralized"""
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cy_surface = openmc.ZCylinder(r=50)
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z_surface_1 = openmc.ZPlane(z0=30)
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z_surface_2 = openmc.ZPlane(z0=0)
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cell = openmc.Cell(region=-cy_surface & -z_surface_1 & +z_surface_2)
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mesh = openmc.CylindricalMesh.from_domain(cell, dimension=[2, 4, 3])
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assert isinstance(mesh, openmc.CylindricalMesh)
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assert np.array_equal(mesh.dimension, (2, 4, 3))
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assert np.array_equal(mesh.r_grid, [0., 25., 50.])
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assert np.array_equal(mesh.phi_grid, [0., 0.5*np.pi, np.pi, 1.5*np.pi, 2.*np.pi])
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assert np.array_equal(mesh.z_grid, [0., 10., 20., 30.])
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def test_reg_mesh_from_region():
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"""Tests a RegularMesh can be made from a Region and the default dimensions
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are propagated through. Region is not centralized"""
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surface = openmc.Sphere(r=1, x0=-5, y0=-3, z0=-2)
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region = -surface
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mesh = openmc.RegularMesh.from_domain(region)
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assert isinstance(mesh, openmc.RegularMesh)
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assert np.array_equal(mesh.dimension, (10, 10, 10)) # default values
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assert np.array_equal(mesh.lower_left, region.bounding_box[0])
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assert np.array_equal(mesh.upper_right, region.bounding_box[1])
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def test_cylindrical_mesh_from_region():
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"""Tests a CylindricalMesh can be made from a Region and the specified
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dimensions and phi_grid_bounds are propagated through. Cell is centralized"""
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cy_surface = openmc.ZCylinder(r=6)
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z_surface_1 = openmc.ZPlane(z0=30)
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z_surface_2 = openmc.ZPlane(z0=-30)
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cell = openmc.Cell(region=-cy_surface & -z_surface_1 & +z_surface_2)
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mesh = openmc.CylindricalMesh.from_domain(
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cell,
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dimension=(6, 2, 3),
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phi_grid_bounds=(0., np.pi)
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)
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assert isinstance(mesh, openmc.CylindricalMesh)
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assert np.array_equal(mesh.dimension, (6, 2, 3))
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assert np.array_equal(mesh.r_grid, [0., 1., 2., 3., 4., 5., 6.])
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assert np.array_equal(mesh.phi_grid, [0., 0.5*np.pi, np.pi])
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assert np.array_equal(mesh.z_grid, [-30., -10., 10., 30.])
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def test_reg_mesh_from_universe():
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"""Tests a RegularMesh can be made from a Universe and the default
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dimensions are propagated through. Universe is centralized"""
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surface = openmc.Sphere(r=42)
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cell = openmc.Cell(region=-surface)
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universe = openmc.Universe(cells=[cell])
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mesh = openmc.RegularMesh.from_domain(universe)
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assert isinstance(mesh, openmc.RegularMesh)
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assert np.array_equal(mesh.dimension, (10, 10, 10)) # default values
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assert np.array_equal(mesh.lower_left, universe.bounding_box[0])
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assert np.array_equal(mesh.upper_right, universe.bounding_box[1])
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def test_reg_mesh_from_geometry():
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"""Tests a RegularMesh can be made from a Geometry and the default
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dimensions are propagated through. Geometry is centralized"""
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surface = openmc.Sphere(r=42)
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cell = openmc.Cell(region=-surface)
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universe = openmc.Universe(cells=[cell])
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geometry = openmc.Geometry(universe)
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mesh = openmc.RegularMesh.from_domain(geometry)
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assert isinstance(mesh, openmc.RegularMesh)
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assert np.array_equal(mesh.dimension, (10, 10, 10)) # default values
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assert np.array_equal(mesh.lower_left, geometry.bounding_box[0])
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assert np.array_equal(mesh.upper_right, geometry.bounding_box[1])
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def test_error_from_unsupported_object():
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with pytest.raises(TypeError):
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openmc.RegularMesh.from_domain("vacuum energy")
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