ReactorMC

Educate · Reference · Create

Learn MCNP, OpenMC, SERPENT & SCONE — free Monte Carlo tutorials for nuclear engineering, reactor physics, and radiation transport.

TUTORIALS

Monte Carlo education hub

100+ pages of structured lessons from first input to full reactor models — written for engineers, with every example verified.

Nuclear reference data portal

Evaluated cross sections, material cards, and reactor parameters — copy-paste ready for all four codes.

BELVOIR DYNAMICS

Software division of ReactorMC

Editor tooling for MCNP, OpenMC, Serpent & SCONE — on the desktop, in VS Code, and in Sublime Text or Notepad++.

Lattice builder, 3D preview & validation

Four steps from zero to a running reactor model — each one links straight into the site.

Monte Carlo fundamentals: transport, tallies, statistics, and variance reduction.

MCNP, OpenMC, SERPENT, or SCONE? Compare licensing, workflow, and strengths.

Build your first criticality model with a worked PWR pin-cell example.

Add syntax highlighting, validation, and lattice builders with GROVES, OWEN, or NICHOLS.

Recently shipped across the tutorial, data, and software sides of ReactorMC.

The whole reference portal rebuilt on a dark reference-terminal theme with a unified hub.

Full PNNL-15870 Rev. 2 with generated MCNP, OpenMC, Serpent & SCONE cards.

Sublime Text & Notepad++ packages: syntaxes, completions, and 4 color schemes.

Multi-temperature resonance broadening with self-shielding and resonance integrals.

MCNP↔OpenMC stable (OWEN v1.0.0 / GROVES v1.3.4) — Rosetta diff, honest TODO markers.