Issues

• QoL: left and right boundaries for 1D subdomains

  enhancementgood first issue
  festim-dev/FESTIM#1280 · Filter by author RemDelaporteMathurin opened on Oct 16, 2026
  1

  

• [BUG] Weakly enforced BCs not exact with non-cartesian meshes

  festim-dev/FESTIM#1278 · Filter by author RemDelaporteMathurin opened on Oct 5, 2026

• [BUG] Transient simulations can overshoot final_time

  festim-dev/FESTIM#1275 · Filter by author rydermr opened on Sep 24, 2026
  4

• SUPG stabilisation

  festim-dev/FESTIM#1273 · Filter by author RemDelaporteMathurin opened on Sep 17, 2026

• Default LU/MUMPS solver is 1-2 orders of magnitude slower than iterative alternatives in 3D

  festim-dev/FESTIM#1272 · Filter by author RemDelaporteMathurin opened on Sep 16, 2026
  3

• Simplify manifold measures

  festim-dev/FESTIM#1269 · Filter by author RemDelaporteMathurin opened on Sep 15, 2026

• Idea: leverage ufl-units for dimensionless analysis

  festim-dev/FESTIM#1268 · Filter by author RemDelaporteMathurin opened on Sep 15, 2026
  1

• Could add stress-assisted diffusion drift term

  good first issue
  festim-dev/FESTIM#1261 · Filter by author jhdark opened on Sep 9, 2026

• Add parallel support for internal manifolds + derived manifold quantities

  enhancement
  festim-dev/FESTIM#1258 · Filter by author ee-nn opened on Sep 8, 2026
  

• Rename GenericReaction with MassActionReaction and ReactionBase with GenericReaction

  festim-dev/FESTIM#1254 · Filter by author RemDelaporteMathurin opened on Sep 4, 2026

• Optimise env build time for docs

  festim-dev/FESTIM#1251 · Filter by author RemDelaporteMathurin opened on Sep 3, 2026

• Replace backward Euler with BDF2

  festim-dev/FESTIM#1246 · Filter by author jhdark opened on Aug 28, 2026

• Simplify/Refactor temperature as a function in Hydrogen problem classes

  festim-dev/FESTIM#1245 · Filter by author jhdark opened on Aug 27, 2026

• Move the coordinate system from the mesh to the volume subdomain

  festim-dev/FESTIM#1243 · Filter by author jhdark opened on Aug 21, 2026
  1

• Tracking: internal inconsistencies in naming, APIs and value handling

  festim-dev/FESTIM#1230 · Filter by author jhdark opened on Aug 12, 2026

• SurfaceReactionBC: statistical factor for mixed isotopologue channels cannot be expressed

  help wanted
  festim-dev/FESTIM#1223 · Filter by author RemDelaporteMathurin opened on Aug 5, 2026

• Issue with assigning ICs in separate volumes for Heat Transfer Problem

  bug
  festim-dev/FESTIM#1217 · Filter by author rb-atkn opened on Aug 3, 2026
  3

• Export the reaction rate of a SurfaceReactionBC

  enhancement
  festim-dev/FESTIM#1202 · Filter by author RemDelaporteMathurin opened on Jul 21, 2026
  

• System tests should check convergence rates

  festim-dev/FESTIM#1198 · Filter by author jhdark opened on Jul 20, 2026

• Extend plot function to support matplotlib

  festim-dev/FESTIM#1193 · Filter by author RemDelaporteMathurin opened on Jul 17, 2026
  2

• Only use mixed formulation method

  festim-dev/FESTIM#1191 · Filter by author RemDelaporteMathurin opened on Jul 16, 2026
  2

• Expose initial guess to users

  enhancement
  festim-dev/FESTIM#1186 · Filter by author jhdark opened on Jul 15, 2026
  1

• Basic functionality for plotting fields with pyvista

  festim-dev/FESTIM#1175 · Filter by author RemDelaporteMathurin opened on Jun 23, 2026
  

• Cannot pass D as a fem.Function if not defined on the same mesh as problem

  festim-dev/FESTIM#1156 · Filter by author RemDelaporteMathurin opened on May 14, 2026

• Tools to diagnose interface condition enforcement

  Feature

  festim-dev/FESTIM#1137 · Filter by author RemDelaporteMathurin opened on Apr 30, 2026