Code Descriptions

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Open Source

This software is available free of charge for all users via GitHub.

MOOSE

MOOSE, the Multiphysics Object Oriented Simulation Environment, is a finite-element multiphysics framework largely developed by Idaho National Laboratory. It offers a high level interface to sophisticated nonlinear solver technology, such as BISON for nuclear fuel, Rattlesnake for radiation transport, MAMMOTH for general reactor physics, and more. MOOSE has a straightforward API well suited to how scientists and engineers tackle real-world problems. It is a fully coupled and fully implicit multiphysics solver that is automatically parallel, making it possible to run large simulations and tackle complicated models.

BlackBear

DIAMOND

Deep Lynx

FALCON

Heron

Magpie

Mastodon

RAVEN

Available for License

These INL-licensed software tools require a license in order to be used by researchers. Additional codes may be available. To license a code, click the Request Licenses Software button.

BISON

BISON is a finite element-based nuclear fuel performance code. It is applicable to light water reactor fuel rods, TRISO particle fuel, metallic rod and plate fuel, and other fuel forms. BISON solves thermomechanics and species diffusion equations for 1D, 2D and 3D geometries, with fuel models that describe temperature properties, fission product swelling and other material aspects. Because it is based on the MOOSE framework, Bison can solve problems efficiently using standard workstations or very large high-performance computers.

Grizzly

MAMMOTH

MARMOT

Rattlesnake

RELAP5-3D

RELAP-7

Sockeye

Pronghorn

Other Available Codes (Non-INL Licensed)

INL maintains a large number of commercial analysis codes, open-source packages, and codes owned/licensed by other entities. Below is a small sampling of some available codes. In order to use codes licensed by others, you will need to contact the code developers for a license.

MCNP®

MCNP® is a software created and maintained by Los Alamos National laboratory. It is a general purpose Monte Carlo n-particle code that can be used for neutron, photon, electron, or coupled neutron/photon/electron transport. This tool can be used in a variety of applications including radiation protection and dosimetry, radiation shielding, radiography, medical physics, and nuclear criticality safety.

SCALE

SAM

SERPENT

Cubit

MC21