OpenMC version 0.5.3

Hi all,

The OpenMC development team is proud to announce the availability of version 0.5.3. This release includes various new features and bug fixes added over the past four months.

Some of the new major features in version 0.5.3 are:

  • Output interface enhanced to allow multiple files handles to be opened

  • CMFD routines refactored and now can compute dominance ratio on the fly (PETSc 3.4.2 or higher required with Fortran datatypes)

  • Test suite enhanced to test output with different compiler options

  • OpenMP shared-memory parallelism added

The full release notes are at source code can be downloaded at or the master branch on the GitHub Repository.

Best regards,