Issues

• Add support for cross section groups with numerical labels

  enhancementgood first issue
  terrapower/armi#2717 · Filter by author keckler opened on Oct 28, 2026
  4

  

• Convert asserts to proper exceptions

  cleanupgood first issuelow priority
  terrapower/armi#2664 · Filter by author drewj-tp opened on Sep 21, 2026
  1

• Can we replace the LocationBase class?

  cleanupgood first issue
  terrapower/armi#2080 · Filter by author john-science opened on Feb 7, 2025
  3

• Tests are leaving empty temp dirs around on Linux

  cleanupgood first issuetesting
  terrapower/armi#1780 · Filter by author john-science opened on Jul 15, 2024
  1

• Give Interface.updatePhysicsCouplingControl() a better name

  feature requestgood first issue
  terrapower/armi#1779 · Filter by author keckler opened on Jul 15, 2024
  1

• Allow pin pitch in HexBlocks to fall back to pitch defined by a grid

  enhancementgood first issue
  terrapower/armi#1765 · Filter by author keckler opened on Jul 4, 2024
  12

• Remove Hex stuff from LatticePhysicsWriter

  cleanupgood first issue
  terrapower/armi#1456 · Filter by author john-science opened on Nov 1, 2023
  2

• Review/Audit of Radioactive Nuclide Half Lives within ARMI Framework

  good first issue
  terrapower/armi#1085 · Filter by author wsjosephson opened on Jan 12, 2023
  2

• Generalization reaction rate calcutions

  feature requestgood first issue
  terrapower/armi#813 · Filter by author jakehader opened on Aug 4, 2022
  3

• Better Example Plugin/Interface Tutorial in the Docs

  documentationgood first issue
  terrapower/armi#805 · Filter by author john-science opened on Aug 2, 2022
  1