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93 lines
3.4 KiB
Python
93 lines
3.4 KiB
Python
import openmc
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import openmc.model
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from tests.testing_harness import PyAPITestHarness
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class TRISOTestHarness(PyAPITestHarness):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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# Define TRISO matrials
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fuel = openmc.Material()
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fuel.set_density('g/cm3', 10.5)
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fuel.add_nuclide('U235', 0.14154)
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fuel.add_nuclide('U238', 0.85846)
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fuel.add_nuclide('C0', 0.5)
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fuel.add_nuclide('O16', 1.5)
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porous_carbon = openmc.Material()
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porous_carbon.set_density('g/cm3', 1.0)
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porous_carbon.add_nuclide('C0', 1.0)
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porous_carbon.add_s_alpha_beta('c_Graphite')
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ipyc = openmc.Material()
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ipyc.set_density('g/cm3', 1.90)
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ipyc.add_nuclide('C0', 1.0)
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ipyc.add_s_alpha_beta('c_Graphite')
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sic = openmc.Material()
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sic.set_density('g/cm3', 3.20)
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sic.add_nuclide('C0', 1.0)
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sic.add_element('Si', 1.0)
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opyc = openmc.Material()
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opyc.set_density('g/cm3', 1.87)
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opyc.add_nuclide('C0', 1.0)
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opyc.add_s_alpha_beta('c_Graphite')
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graphite = openmc.Material()
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graphite.set_density('g/cm3', 1.1995)
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graphite.add_nuclide('C0', 1.0)
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graphite.add_s_alpha_beta('c_Graphite')
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# Create TRISO particles
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spheres = [openmc.Sphere(r=r*1e-4)
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for r in [212.5, 312.5, 347.5, 382.5]]
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c1 = openmc.Cell(fill=fuel, region=-spheres[0])
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c2 = openmc.Cell(fill=porous_carbon, region=+spheres[0] & -spheres[1])
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c3 = openmc.Cell(fill=ipyc, region=+spheres[1] & -spheres[2])
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c4 = openmc.Cell(fill=sic, region=+spheres[2] & -spheres[3])
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c5 = openmc.Cell(fill=opyc, region=+spheres[3])
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inner_univ = openmc.Universe(cells=[c1, c2, c3, c4, c5])
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# Define box to contain lattice and to pack TRISO particles in
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min_x = openmc.XPlane(-0.5, boundary_type='reflective')
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max_x = openmc.XPlane(0.5, boundary_type='reflective')
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min_y = openmc.YPlane(-0.5, boundary_type='reflective')
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max_y = openmc.YPlane(0.5, boundary_type='reflective')
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min_z = openmc.ZPlane(-0.5, boundary_type='reflective')
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max_z = openmc.ZPlane(0.5, boundary_type='reflective')
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box_region = +min_x & -max_x & +min_y & -max_y & +min_z & -max_z
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box = openmc.Cell(region=box_region)
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outer_radius = 422.5*1e-4
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centers = openmc.model.pack_spheres(
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radius=outer_radius, region=box_region, num_spheres=100, seed=1)
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trisos = [openmc.model.TRISO(outer_radius, inner_univ, c)
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for c in centers]
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# Create lattice
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ll, ur = box.region.bounding_box
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shape = (3, 3, 3)
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pitch = (ur - ll) / shape
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lattice = openmc.model.create_triso_lattice(
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trisos, ll, pitch, shape, graphite)
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box.fill = lattice
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root = openmc.Universe(0, cells=[box])
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self._model.geometry = openmc.Geometry(root)
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settings = openmc.Settings()
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settings.batches = 4
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settings.inactive = 0
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settings.particles = 100
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settings.source = openmc.IndependentSource(space=openmc.stats.Point())
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self._model.settings = settings
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self._model.materials = openmc.Materials([fuel, porous_carbon, ipyc,
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sic, opyc, graphite])
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def test_triso():
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harness = TRISOTestHarness('statepoint.4.h5', model=openmc.Model())
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harness.main()
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