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| 1 | +<?xml version='1.0' encoding='utf-8'?> |
| 2 | +<model> |
| 3 | + <materials> |
| 4 | + <cross_sections>mgxs.h5</cross_sections> |
| 5 | + <material id="1" name="UO2 fuel"> |
| 6 | + <density value="1.0" units="macro"/> |
| 7 | + <macroscopic name="UO2"/> |
| 8 | + </material> |
| 9 | + <material id="2" name="Water"> |
| 10 | + <density value="1.0" units="macro" value_timeseries="1.0 0.9994949494949495 0.998989898989899 0.9984848484848485 0.997979797979798 0.9974747474747475 0.996969696969697 0.9964646464646465 0.9959595959595959 0.9954545454545455 0.9949494949494949 0.9944444444444445 0.9939393939393939 0.9934343434343434 0.9929292929292929 0.9924242424242424 0.9919191919191919 0.9914141414141414 0.9909090909090909 0.9904040404040404 0.9898989898989898 0.9893939393939394 0.9888888888888889 0.9883838383838384 0.9878787878787879 0.9873737373737373 0.9868686868686869 0.9863636363636363 0.9858585858585859 0.9853535353535353 0.9848484848484849 0.9843434343434343 0.9838383838383838 0.9833333333333333 0.9828282828282828 0.9823232323232323 0.9818181818181818 0.9813131313131312 0.9808080808080808 0.9803030303030302 0.9797979797979798 0.9792929292929293 0.9787878787878788 0.9782828282828283 0.9777777777777777 0.9772727272727273 0.9767676767676767 0.9762626262626263 0.9757575757575757 0.9752525252525253 0.9747474747474747 0.9742424242424242 0.9737373737373737 0.9732323232323232 0.9727272727272727 0.9722222222222222 0.9717171717171716 0.9712121212121212 0.9707070707070706 0.9702020202020202 0.9696969696969697 0.9691919191919192 0.9686868686868687 0.9681818181818181 0.9676767676767677 0.9671717171717171 0.9666666666666667 0.9661616161616161 0.9656565656565657 0.9651515151515151 0.9646464646464646 0.9641414141414141 0.9636363636363636 0.9631313131313131 0.9626262626262626 0.962121212121212 0.9616161616161616 0.961111111111111 0.9606060606060606 0.9601010101010101 0.9595959595959596 0.9590909090909091 0.9585858585858585 0.9580808080808081 0.9575757575757575 0.9570707070707071 0.9565656565656565 0.956060606060606 0.9555555555555555 0.955050505050505 0.9545454545454545 0.954040404040404 0.9535353535353535 0.953030303030303 0.9525252525252524 0.952020202020202 0.9515151515151514 0.951010101010101 0.9505050505050505 0.95"/> |
| 11 | + <macroscopic name="LWTR"/> |
| 12 | + </material> |
| 13 | + </materials> |
| 14 | + <geometry> |
| 15 | + <cell id="1" name="fuel inner a" material="1" region="-2" universe="1"/> |
| 16 | + <cell id="2" name="fuel inner b" material="1" region="2 -3" universe="1"/> |
| 17 | + <cell id="3" name="fuel inner c" material="1" region="3 -1" universe="1"/> |
| 18 | + <cell id="4" name="moderator inner a" material="2" region="1 -4" universe="1"/> |
| 19 | + <cell id="5" name="moderator outer b" material="2" region="4 -5" universe="1"/> |
| 20 | + <cell id="6" name="moderator outer c" material="2" region="5" universe="1"/> |
| 21 | + <cell id="7" name="azimuthal_cell_0" fill="1" region="6 -7" universe="2"/> |
| 22 | + <cell id="8" name="azimuthal_cell_1" fill="1" region="7 -8" universe="2"/> |
| 23 | + <cell id="9" name="azimuthal_cell_2" fill="1" region="8 -9" universe="2"/> |
| 24 | + <cell id="10" name="azimuthal_cell_3" fill="1" region="9 -10" universe="2"/> |
| 25 | + <cell id="11" name="azimuthal_cell_4" fill="1" region="10 -11" universe="2"/> |
| 26 | + <cell id="12" name="azimuthal_cell_5" fill="1" region="11 -12" universe="2"/> |
| 27 | + <cell id="13" name="azimuthal_cell_6" fill="1" region="12 -13" universe="2"/> |
| 28 | + <cell id="14" name="azimuthal_cell_7" fill="1" region="13 -6" universe="2"/> |
| 29 | + <cell id="15" name="pincell" fill="2" region="14 -15 16 -17" universe="3"/> |
| 30 | + <surface id="1" name="Fuel OR" type="z-cylinder" coeffs="0.0 0.0 0.54"/> |
| 31 | + <surface id="2" name="inner ring a" type="z-cylinder" coeffs="0.0 0.0 0.33"/> |
| 32 | + <surface id="3" name="inner ring b" type="z-cylinder" coeffs="0.0 0.0 0.45"/> |
| 33 | + <surface id="4" name="outer ring a" type="z-cylinder" coeffs="0.0 0.0 0.6"/> |
| 34 | + <surface id="5" name="outer ring b" type="z-cylinder" coeffs="0.0 0.0 0.69"/> |
| 35 | + <surface id="6" type="plane" coeffs="-0.0 1.0 0 0"/> |
| 36 | + <surface id="7" type="plane" coeffs="-0.7071067811865475 0.7071067811865476 0 0"/> |
| 37 | + <surface id="8" type="plane" coeffs="-1.0 6.123233995736766e-17 0 0"/> |
| 38 | + <surface id="9" type="plane" coeffs="-0.7071067811865476 -0.7071067811865475 0 0"/> |
| 39 | + <surface id="10" type="plane" coeffs="-1.2246467991473532e-16 -1.0 0 0"/> |
| 40 | + <surface id="11" type="plane" coeffs="0.7071067811865475 -0.7071067811865477 0 0"/> |
| 41 | + <surface id="12" type="plane" coeffs="1.0 -1.8369701987210297e-16 0 0"/> |
| 42 | + <surface id="13" type="plane" coeffs="0.7071067811865477 0.7071067811865474 0 0"/> |
| 43 | + <surface id="14" name="minimum x" type="x-plane" boundary="reflective" coeffs="-0.63"/> |
| 44 | + <surface id="15" name="maximum x" type="x-plane" boundary="reflective" coeffs="0.63"/> |
| 45 | + <surface id="16" name="minimum y" type="y-plane" boundary="reflective" coeffs="-0.63"/> |
| 46 | + <surface id="17" name="maximum y" type="y-plane" boundary="reflective" coeffs="0.63"/> |
| 47 | + </geometry> |
| 48 | + <settings> |
| 49 | + <run_mode>eigenvalue</run_mode> |
| 50 | + <particles>100</particles> |
| 51 | + <batches>400</batches> |
| 52 | + <inactive>200</inactive> |
| 53 | + <kinetic_simulation>true</kinetic_simulation> |
| 54 | + <timestep_parameters> |
| 55 | + <dt>0.01</dt> |
| 56 | + <n_timesteps>5</n_timesteps> |
| 57 | + <timestep_units>s</timestep_units> |
| 58 | + </timestep_parameters> |
| 59 | + <energy_mode>multi-group</energy_mode> |
| 60 | + <random_ray> |
| 61 | + <distance_active>100.0</distance_active> |
| 62 | + <distance_inactive>20.0</distance_inactive> |
| 63 | + <source type="independent" strength="1.0" particle="neutron"> |
| 64 | + <space type="box"> |
| 65 | + <parameters>-0.63 -0.63 -1 0.63 0.63 1</parameters> |
| 66 | + </space> |
| 67 | + </source> |
| 68 | + <volume_normalized_flux_tallies>true</volume_normalized_flux_tallies> |
| 69 | + <bd_order>3</bd_order> |
| 70 | + <time_method>propagation</time_method> |
| 71 | + </random_ray> |
| 72 | + </settings> |
| 73 | + <tallies> |
| 74 | + <filter id="1" type="delayedgroup"> |
| 75 | + <bins>1 2 3 4 5 6 7 8</bins> |
| 76 | + </filter> |
| 77 | + <tally id="1" name="Pin tally"> |
| 78 | + <scores>flux fission nu-fission</scores> |
| 79 | + <estimator>analog</estimator> |
| 80 | + </tally> |
| 81 | + <tally id="2" name="Delayed tally"> |
| 82 | + <filters>1</filters> |
| 83 | + <scores>precursors</scores> |
| 84 | + </tally> |
| 85 | + </tallies> |
| 86 | +</model> |
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