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53 lines
1.8 KiB
XML
53 lines
1.8 KiB
XML
<?xml version='1.0' encoding='utf-8'?>
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<model>
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<materials>
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<material depletable="true" id="1" name="UO2">
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<density units="g/cm3" value="10.0"/>
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<nuclide ao="1.0" name="U235"/>
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<nuclide ao="2.0" name="O16"/>
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</material>
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<material id="2" name="light water">
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<density units="g/cm3" value="1.0"/>
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<nuclide ao="2.0" name="H1"/>
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<nuclide ao="1.0" name="O16"/>
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<sab name="c_H_in_H2O"/>
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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" universe="1"/>
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<cell id="3" material="1" region="-2" universe="2"/>
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<cell id="4" material="2" region="2" universe="2"/>
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<cell fill="3" id="5" universe="4"/>
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<cell fill="5" id="6" region="3 -4 5 -6" universe="6"/>
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<lattice id="3">
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<pitch>1.2 1.2</pitch>
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<outer>1</outer>
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<dimension>2 2</dimension>
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<lower_left>-1.2 -1.2</lower_left>
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<universes>
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2 1
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1 1 </universes>
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</lattice>
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<lattice id="5">
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<pitch>2.4 2.4</pitch>
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<dimension>2 2</dimension>
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<lower_left>-2.4 -2.4</lower_left>
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<universes>
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4 4
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4 4 </universes>
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</lattice>
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<surface coeffs="0.0 0.0 0.4" id="1" type="z-cylinder"/>
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<surface coeffs="0.0 0.0 0.5" id="2" type="z-cylinder"/>
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<surface boundary="reflective" coeffs="-2.4" id="3" name="minimum x" type="x-plane"/>
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<surface boundary="reflective" coeffs="2.4" id="4" name="maximum x" type="x-plane"/>
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<surface boundary="reflective" coeffs="-2.4" id="5" name="minimum y" type="y-plane"/>
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<surface boundary="reflective" coeffs="2.4" id="6" name="maximum y" type="y-plane"/>
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</geometry>
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<settings>
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<run_mode>eigenvalue</run_mode>
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<particles>1000</particles>
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<batches>10</batches>
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<inactive>5</inactive>
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</settings>
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</model>
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