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67 lines
2.5 KiB
XML
67 lines
2.5 KiB
XML
<?xml version='1.0' encoding='utf-8'?>
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<model>
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<materials>
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<cross_sections>mgxs.h5</cross_sections>
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<material id="1" name="UO2__2_4__" depletable="true">
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<density value="1.0" units="macro"/>
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<macroscopic name="UO2__2_4__"/>
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</material>
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<material id="2" name="Zircaloy">
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<density value="1.0" units="macro"/>
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<macroscopic name="Zircaloy"/>
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</material>
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<material id="3" name="Hot_borated_water">
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<density value="1.0" units="macro"/>
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<macroscopic name="Hot_borated_water"/>
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</material>
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</materials>
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<geometry>
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<cell id="1" name="Fuel" material="1" region="-1" universe="0"/>
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<cell id="2" name="Cladding" material="2" region="1 -2" universe="0"/>
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<cell id="3" name="Water" material="3" region="2 3 -4 5 -6" universe="0"/>
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<surface id="1" name="Fuel OR" type="z-cylinder" coeffs="0 0 0.39218"/>
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<surface id="2" name="Clad OR" type="z-cylinder" coeffs="0 0 0.4572"/>
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<surface id="3" name="left" type="x-plane" boundary="reflective" coeffs="-0.63"/>
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<surface id="4" name="right" type="x-plane" boundary="reflective" coeffs="0.63"/>
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<surface id="5" name="bottom" type="y-plane" boundary="reflective" coeffs="-0.63"/>
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<surface id="6" name="top" type="y-plane" boundary="reflective" coeffs="0.63"/>
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</geometry>
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<settings>
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<run_mode>eigenvalue</run_mode>
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<particles>100</particles>
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<batches>20</batches>
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<inactive>15</inactive>
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<source type="independent" strength="1.0" particle="neutron">
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<space type="box">
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<parameters>-0.63 -0.63 -1 0.63 0.63 1</parameters>
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</space>
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<constraints>
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<fissionable>true</fissionable>
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</constraints>
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</source>
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<energy_mode>multi-group</energy_mode>
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<random_ray>
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<ray_source>
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<source type="independent" strength="1.0" particle="neutron">
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<space type="box">
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<parameters>-0.63 -0.63 -1.0 0.63 0.63 1.0</parameters>
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</space>
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</source>
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</ray_source>
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<distance_inactive>30.0</distance_inactive>
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<distance_active>150.0</distance_active>
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<source_region_meshes>
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<mesh id="1">
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<domain id="0" type="universe"/>
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</mesh>
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</source_region_meshes>
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<source_shape>linear</source_shape>
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<diagonal_stabilization_rho>0.5</diagonal_stabilization_rho>
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</random_ray>
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<mesh id="1">
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<dimension>2 2</dimension>
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<lower_left>-0.63 -0.63</lower_left>
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<upper_right>0.63 0.63</upper_right>
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</mesh>
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</settings>
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</model>
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