The variational nodal method for solving the neutron transport equation has evolved over 40
years. Based on a functional form of the Boltzmann neutron transport equation, the method …

DireWolf is a multiphysics software driver application designed to simulate heat pipe–cooled
nuclear microreactors. Developed under the US Department of Energy, Office of Nuclear …

Abstract Griffin is a Multiphysics Object-Oriented Simulation Environment (MOOSE) based
reactor physics application for multiphysics simulations of advanced reactor designs jointly …

This paper describes an investigation of various automated control strategies applied to a
full-core multiphysics Griffin/Bison/RELAP-7 model of a prototypical nuclear thermal …

Existing neutronic whole-core simulation codes are problem-oriented. With the
advancement of computer technology and the development of complicated micro-nuclear …

This study introduces an unstructured variational nodal method (UVNM-S N), also
recognized as the hybridized discontinuous Galerkin (HDG) method, for solving …

This paper demonstrates a multiphysics solver for pebble-bed reactors, in particular, for
Berkeley's pebble-bed-fluoride-salt-cooled high-temperature reactor (PB-FHR)(Mark I …

Yttrium hydride (YH x) is one of the materials being considered for moderating thermal and
epithermal nuclear microreactors. One potential issue with YH x use is that the hydrogen …

The traditional modeling approach for sodium fast reactor cores relies on separate physics
models, where the fuel performance, thermal–hydraulics, and neutronics calculations …

We present a novel deterministic equilibrium core pebble-bed depletion algorithm. It differs
from most other algorithms by distinguishing pebble age directly by burnup instead of using …