Lawrence Livermore National Laboratory

Combinatorial Geometry

  • Performance improvements
  • Additional ways to calculate volume


  • Implement persistent energy and isotope accretion/depletion
  • User defined tallies over cells


  • Additional variance reduction methods
  • Improved performance for static problems


  • Reinstate threads back into the code
  • Investigate scaling performance on large-processor-count, low-memory computers


  • Transport in magnetic fields
  • Deflections are in the just-released version of the code
  • Electron transport
  • Transport arbitrary charged particles
  • Enhanced support for photon transport
    • Photonuclear reactions, nuclear resonance fluorescence and polarization