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45 lines
1.6 KiB
XML
45 lines
1.6 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" name="fuel" depletable="true">
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<density value="11" units="g/cc"/>
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<nuclide name="U235" ao="1.0"/>
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</material>
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<material id="2" name="cladding">
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<density value="6.44" units="g/cc"/>
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<nuclide name="Zr90" ao="1.0"/>
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</material>
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<material id="3" name="water">
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<density value="1.0" units="g/cc"/>
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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" universe="1"/>
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<cell id="2" material="2" region="1 -2" universe="1"/>
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<cell id="3" material="3" region="2" universe="1"/>
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<cell id="4" fill="1" universe="2"/>
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<cell id="5" fill="3" region="3 -4 5 -6" universe="4"/>
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<lattice id="3">
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<pitch>4.0 4.0</pitch>
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<dimension>2 2</dimension>
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<lower_left>-4.0 -4.0</lower_left>
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<universes>
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2 2
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2 2 </universes>
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</lattice>
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<surface id="1" type="z-cylinder" coeffs="0.0 0.0 1.5"/>
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<surface id="2" type="z-cylinder" coeffs="0.0 0.0 1.7"/>
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<surface id="3" name="minimum x" type="x-plane" boundary="reflective" coeffs="-4.0"/>
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<surface id="4" name="maximum x" type="x-plane" boundary="reflective" coeffs="4.0"/>
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<surface id="5" name="minimum y" type="y-plane" boundary="reflective" coeffs="-4.0"/>
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<surface id="6" name="maximum y" type="y-plane" boundary="reflective" coeffs="4.0"/>
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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>10</batches>
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<inactive>1</inactive>
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</settings>
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</model>
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