Search results

Pulse-height tally only scores first cell when using a multi-cell CellFilter and EnergyFilter

Bugs

Status: Open.

#4018 In openmc-dev/openmc;

· crunchypbj opened on Jul 14, 2026

MeshSurfaceFilter labels for CylindricalMesh and SphericalMesh

Status: Open.

#4017 In openmc-dev/openmc;

· tjlaboss opened on Jul 14, 2026

Add Fusion Neutronics Workshop to Example page

Documentation

Status: Open.

#3996 In openmc-dev/openmc;

· approx-infinity opened on Jul 4, 2026

OpenMC 0.15.3 segmentation fault with FENDL photoatomic data

Bugs

Status: Open.

#3992 In openmc-dev/openmc;

· mcampos16 opened on Jul 2, 2026

Improve connection between theory manual and user manual for tallies

Documentation

Status: Open.

#3985 In openmc-dev/openmc;

· gonuke opened on Jun 26, 2026

Hybrid delta tracking

delta tracking

Other Enhancement

Status: Open.

Feature

#3975 In openmc-dev/openmc;

· nuclearkevin opened on Jun 19, 2026

continue_timesteps producing h5 files with incomplete information when used to restart a simulation that did not specify final_step = True in Integrator

Bugs

Status: Open.

#3973 In openmc-dev/openmc;

· lewisgross1296 opened on Jun 16, 2026

Very rare event results in unnormalized direction vector leading to transport failure

Bugs

Status: Open.

#3970 In openmc-dev/openmc;

· lewisgross1296 opened on Jun 11, 2026

openmc.model.RectangularParallelepiped could automatically handle periodic surfaces

Status: Open.

#3966 In openmc-dev/openmc;

· lewisgross1296 opened on Jun 10, 2026

Security: request for a private disclosure channel

Bugs

Status: Open.

#3947 In openmc-dev/openmc;

· cesabici-bit opened on May 28, 2026

Segmentation fault in Mgxs::get_xs when using DAGMCUniverse and multi-group energy mode

Bugs

Status: Open.

#3929 In openmc-dev/openmc;

· hugo-barthod opened on Apr 29, 2026

Error in current calculation when surrounding with vacuum material

Bugs

Status: Open.

#3924 In openmc-dev/openmc;

· zoeprieto opened on Apr 20, 2026