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39 lines
1.2 KiB
XML
39 lines
1.2 KiB
XML
<?xml version='1.0' encoding='utf-8'?>
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<model>
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<materials>
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</materials>
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<geometry>
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<cell id="1" material="void" region="-1" universe="1"/>
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<cell id="2" material="void" region="1 -2" universe="1"/>
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<cell id="3" material="void" region="2 -3" universe="1"/>
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<cell id="4" material="void" region="3 -4" universe="1"/>
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<surface coeffs="0.0 0.0 0.0 1.0" id="1" type="sphere"/>
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<surface coeffs="0.0 0.0 0.0 2.0" id="2" type="sphere"/>
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<surface coeffs="0.0 0.0 0.0 2.5" id="3" type="sphere"/>
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<surface boundary="vacuum" coeffs="0.0 0.0 0.0 4.0" id="4" type="sphere"/>
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</geometry>
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<settings>
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<run_mode>fixed source</run_mode>
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<particles>1000</particles>
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<batches>10</batches>
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<source particle="neutron" strength="1.0" type="independent">
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<space type="point">
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<parameters>0 0 0</parameters>
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</space>
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</source>
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<surf_source_write>
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<surface_ids>1</surface_ids>
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<max_particles>1000</max_particles>
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</surf_source_write>
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<seed>1</seed>
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</settings>
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<tallies>
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<filter id="1" type="cell">
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<bins>3</bins>
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</filter>
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<tally id="1">
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<filters>1</filters>
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<scores>flux</scores>
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</tally>
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</tallies>
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</model>
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