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add a regression test

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Jingang Liang 2025-08-03 16:47:46 +08:00
parent 50c3f76f55
commit 4c1c604b24
4 changed files with 377 additions and 0 deletions
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tests/regression_tests/triso_virtual_lattice/__init__.py Normal file
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tests/regression_tests/triso_virtual_lattice/inputs_true.dat Normal file
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<?xml version='1.0' encoding='utf-8'?>
<materials>
<material depletable="true" id="13">
<density units="g/cm3" value="10.5" />
<nuclide ao="0.14154" name="U235" />
<nuclide ao="0.85846" name="U238" />
<nuclide ao="0.5" name="C0" />
<nuclide ao="1.5" name="O16" />
</material>
<material id="14">
<density units="g/cm3" value="1.0" />
<nuclide ao="1.0" name="C0" />
<sab name="c_Graphite" />
</material>
<material id="15">
<density units="g/cm3" value="1.9" />
<nuclide ao="1.0" name="C0" />
<sab name="c_Graphite" />
</material>
<material id="16">
<density units="g/cm3" value="3.2" />
<nuclide ao="1.0" name="C0" />
<nuclide ao="0.9222968" name="Si28" />
<nuclide ao="0.0468316" name="Si29" />
<nuclide ao="0.0308716" name="Si30" />
</material>
<material id="17">
<density units="g/cm3" value="1.87" />
<nuclide ao="1.0" name="C0" />
<sab name="c_Graphite" />
</material>
<material id="18">
<density units="g/cm3" value="1.1995" />
<nuclide ao="1.0" name="C0" />
<sab name="c_Graphite" />
</material>
</materials>
<?xml version='1.0' encoding='utf-8'?>
<settings>
<run_mode>eigenvalue</run_mode>
<particles>100</particles>
<batches>4</batches>
<inactive>0</inactive>
<source strength="1.0">
<space type="point">
<parameters>0.0 0.0 0.0</parameters>
</space>
</source>
</settings>

2
tests/regression_tests/triso_virtual_lattice/results_true.dat Normal file
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k-combined:
1.719897E+00 3.608153E-02

97
tests/regression_tests/triso_virtual_lattice/test.py Normal file
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import random
from math import sqrt
import numpy as np
import openmc
import openmc.model
from tests.testing_harness import PyAPITestHarness
class TRISOVirtualLatticeTestHarness(PyAPITestHarness):
def _build_inputs(self):
# Define TRISO matrials
fuel = openmc.Material()
fuel.set_density('g/cm3', 10.5)
fuel.add_nuclide('U235', 0.14154)
fuel.add_nuclide('U238', 0.85846)
fuel.add_nuclide('C0', 0.5)
fuel.add_nuclide('O16', 1.5)
porous_carbon = openmc.Material()
porous_carbon.set_density('g/cm3', 1.0)
porous_carbon.add_nuclide('C0', 1.0)
porous_carbon.add_s_alpha_beta('c_Graphite')
ipyc = openmc.Material()
ipyc.set_density('g/cm3', 1.90)
ipyc.add_nuclide('C0', 1.0)
ipyc.add_s_alpha_beta('c_Graphite')
sic = openmc.Material()
sic.set_density('g/cm3', 3.20)
sic.add_nuclide('C0', 1.0)
sic.add_element('Si', 1.0)
opyc = openmc.Material()
opyc.set_density('g/cm3', 1.87)
opyc.add_nuclide('C0', 1.0)
opyc.add_s_alpha_beta('c_Graphite')
graphite = openmc.Material()
graphite.set_density('g/cm3', 1.1995)
graphite.add_nuclide('C0', 1.0)
graphite.add_s_alpha_beta('c_Graphite')
# Create TRISO particles
spheres = [openmc.Sphere(r=r*1e-4)
for r in [212.5, 312.5, 347.5, 382.5]]
c1 = openmc.Cell(fill=fuel, region=-spheres[0])
c2 = openmc.Cell(fill=porous_carbon, region=+spheres[0] & -spheres[1])
c3 = openmc.Cell(fill=ipyc, region=+spheres[1] & -spheres[2])
c4 = openmc.Cell(fill=sic, region=+spheres[2] & -spheres[3])
c5 = openmc.Cell(fill=opyc, region=+spheres[3])
inner_univ = openmc.Universe(cells=[c1, c2, c3, c4, c5])
# Define box to contain lattice and to pack TRISO particles in
min_x = openmc.XPlane(-0.5, boundary_type='reflective')
max_x = openmc.XPlane(0.5, boundary_type='reflective')
min_y = openmc.YPlane(-0.5, boundary_type='reflective')
max_y = openmc.YPlane(0.5, boundary_type='reflective')
min_z = openmc.ZPlane(-0.5, boundary_type='reflective')
max_z = openmc.ZPlane(0.5, boundary_type='reflective')
box_region = +min_x & -max_x & +min_y & -max_y & +min_z & -max_z
box = openmc.Cell(region=box_region)
outer_radius = 422.5*1e-4
centers = openmc.model.pack_spheres(radius=outer_radius,
region=box_region, num_spheres=100)
trisos = [openmc.model.TRISO(outer_radius, inner_univ, c)
for c in centers]
# Create lattice
ll, ur = box.region.bounding_box
shape = (3, 3, 3)
pitch = (ur - ll) / shape
lattice = openmc.model.create_triso_lattice(
trisos, ll, pitch, shape, graphite, virtual=True)
box.fill = lattice
root = openmc.Universe(0, cells=[box])
geom = openmc.Geometry(root)
geom.export_to_xml()
settings = openmc.Settings()
settings.batches = 4
settings.inactive = 0
settings.particles = 100
settings.source = openmc.Source(space=openmc.stats.Point())
settings.export_to_xml()
mats = openmc.Materials([fuel, porous_carbon, ipyc, sic, opyc, graphite])
mats.export_to_xml()
def test_triso_virtual_lattice():
harness = TRISOVirtualLatticeTestHarness('statepoint.4.h5')
harness.main()