<?xml version='1.0' encoding='utf-8'?>
<model>
  <materials>
    <material depletable="true" id="1" name="no-void fuel">
      <density units="g/cc" value="10.29769"/>
      <nuclide ao="0.93120485" name="U234"/>
      <nuclide ao="0.00055815" name="U235"/>
      <nuclide ao="0.022408" name="U238"/>
      <nuclide ao="0.045829" name="O16"/>
    </material>
    <material id="2" name="clad">
      <density units="g/cc" value="6.55"/>
      <nuclide ao="0.021827" name="Zr90"/>
      <nuclide ao="0.00476" name="Zr91"/>
      <nuclide ao="0.0072758" name="Zr92"/>
      <nuclide ao="0.0073734" name="Zr94"/>
      <nuclide ao="0.0011879" name="Zr96"/>
    </material>
    <material id="3" name="water">
      <density units="g/cc" value="0.740582"/>
      <nuclide ao="0.049457" name="H1"/>
      <nuclide ao="0.024672" name="O16"/>
      <nuclide ao="8.0042e-06" name="B10"/>
      <nuclide ao="3.2218e-05" name="B11"/>
      <sab name="c_H_in_H2O"/>
    </material>
  </materials>
  <geometry>
    <cell fill="4" id="1" region="1 -2 3 -4 5 -6" universe="5"/>
    <dagmc_universe auto_geom_ids="true" filename="dagmc.h5m" id="1"/>
    <lattice id="4">
      <pitch>24.0 24.0</pitch>
      <dimension>2 2</dimension>
      <lower_left>-24.0 -24.0</lower_left>
      <universes>
1 1 
1 1 </universes>
    </lattice>
    <surface boundary="reflective" coeffs="-24.0" id="1" name="left" type="x-plane"/>
    <surface boundary="reflective" coeffs="24.0" id="2" name="right" type="x-plane"/>
    <surface boundary="reflective" coeffs="-24.0" id="3" name="front" type="y-plane"/>
    <surface boundary="reflective" coeffs="24.0" id="4" name="back" type="y-plane"/>
    <surface boundary="reflective" coeffs="-10.0" id="5" name="bottom" type="z-plane"/>
    <surface boundary="reflective" coeffs="10.0" id="6" name="top" type="z-plane"/>
  </geometry>
  <settings>
    <run_mode>eigenvalue</run_mode>
    <particles>100</particles>
    <batches>10</batches>
    <inactive>2</inactive>
    <output>
      <summary>false</summary>
    </output>
  </settings>
  </model>
