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52 lines
1.9 KiB
XML
52 lines
1.9 KiB
XML
<?xml version='1.0' encoding='utf-8'?>
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<model>
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<materials>
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<material id="1" depletable="true">
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<density value="11.0" units="g/cm3"/>
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<nuclide name="U234" ao="0.0004524"/>
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<nuclide name="U235" ao="0.0506068"/>
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<nuclide name="U238" ao="0.948709"/>
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<nuclide name="U236" ao="0.0002318"/>
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<nuclide name="O16" ao="2.0"/>
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</material>
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<material id="2">
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<density value="1.0" units="g/cm3"/>
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<nuclide name="H1" ao="2.0"/>
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<nuclide name="O16" ao="1.0"/>
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</material>
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</materials>
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<geometry>
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<cell id="1" material="1" region="-1 2 -3" universe="1"/>
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<cell id="2" material="2" region="1 | -2 | 3" universe="1"/>
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<cell id="3" fill="1" region="-5 4 -7 6 -9 8" universe="2"/>
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<surface id="1" type="z-cylinder" coeffs="0.0 0.0 2.0"/>
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<surface id="2" type="z-plane" coeffs="-2.0"/>
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<surface id="3" type="z-plane" coeffs="2.0"/>
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<surface id="4" type="x-plane" boundary="vacuum" coeffs="-3.0"/>
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<surface id="5" type="x-plane" boundary="vacuum" coeffs="3.0"/>
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<surface id="6" type="y-plane" boundary="vacuum" coeffs="-3.0"/>
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<surface id="7" type="y-plane" boundary="vacuum" coeffs="3.0"/>
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<surface id="8" type="z-plane" boundary="vacuum" coeffs="-3.0"/>
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<surface id="9" type="z-plane" boundary="vacuum" coeffs="3.0"/>
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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>5</batches>
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<inactive>1</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>-2.0 -2.0 -2.0 2.0 2.0 2.0</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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<surf_source_write>
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<surface_ids>4 5 6 7 8 9</surface_ids>
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<max_particles>300</max_particles>
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<cell>3</cell>
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</surf_source_write>
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<seed>1</seed>
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</settings>
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</model>
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