Issues

• Add photon multigroup cross section generation

  MGXS
  Unread
  openmc-dev/openmc#4073·paulromano opened Aug 23, 2026 · Updated Sep 11, 2026
  4

• Add cell_wise MGXS generation method

  MGXS
  Unread
  openmc-dev/openmc#3987·jon-proximafusion opened Jun 30, 2026 · Updated Jul 24, 2026
  5

• Implementation of migration area score

  MGXSTallies
  Unread
  openmc-dev/openmc#3810·GuySten opened Feb 16, 2026 · Updated Oct 15, 2026
  27

• Add chi cross sections to MGXS machinery

  MGXSRandom Ray
  Unread
  openmc-dev/openmc#3740·yardasol opened Jan 16, 2026 · Updated Jan 23, 2026
  6

  

• Explicit Void Regions in Kinetic Random Ray

  help wantedMGXSRandom Ray
  Feature

  openmc-dev/openmc#3723 · Filter by author yardasol opened on Jan 12, 2026
  2

  

• Random Ray Kinetic Simulation Mode

  help wantedI/OMGXSRandom RayTallies
  Unread
  openmc-dev/openmc#3702·yardasol opened Dec 31, 2025 · Updated Apr 9, 2026·Draft
  12

• Generation of MGXS libraries for material cells fails because tallies for all cells are required

  MGXS
  openmc-dev/openmc#1700 · Filter by author GiudGiud opened on Oct 18, 2020
  1