SCONE Basics

type eigenPhysicsPackage;

pop      50000;
active   150;
inactive 75;
XSdata ce;
dataType ce;

collisionOperator { neutronCE { type neutronCEstd; } }
transportOperator { type transportOperatorDT; }

geometry {
  type geometryStd;
  boundary (0 0 0 0 0 0);
  graph { type shrunk; }

  surfaces {
    fuelS  { id 1; type zCylinder; radius 0.39218; origin (0.0 0.0 0.0); }
    cladS  { id 2; type zCylinder; radius 0.45720; origin (0.0 0.0 0.0); }
    boxSq  { id 5; type zSquareCylinder; origin (0.0 0.0 0.0); halfwidth (0.63 0.63 0.0); }
  }

  cells {
    fuel   { type simpleCell; id 10; surfaces (-1); filltype mat; material UO2-31; }
    clad   { type simpleCell; id 11; surfaces (-2 1); filltype mat; material Zircaloy; }
    water  { type simpleCell; id 12; surfaces (2 -5); filltype mat; material Water; }
  }

  universes {
    root { id 1; type rootUniverse; border 5; fill u<999>; }
    pin  { id 999; type cellUniverse; cells (10 11 12); }
  }
}

nuclearData {
  handles { ce { type aceNeutronDatabase; aceLibrary /path/to/your.aceXS; } }
  materials {
    UO2-31 { temp 600; composition { 92235.06 7.2175E-04; 92238.06 2.2253E-02; 8016.06 4.5853E-02; } }
    Water { temp 600; composition { 1001.06 6.6667E-02; 8016.06 3.3333E-02; } }
    Zircaloy { temp 600; composition { 40090.06 5.0E-03; 40091.06 1.1E-03; 40092.06 1.7E-03; 40094.06 1.7E-03; 40096.06 2.8E-04; } }
  }
}

inactiveTally {}
activeTally {
  fissionRate {
    type collisionClerk;
    response (fission);
    fission { type macroResponse; MT -6; }
  }
}