This chapter presents a detailed description of the elements that comprise a lattice physics
code. Lattice physics codes are used to generate cross section data for nodal codes, where …

The resonance calculation method using the ultra-fine-group spectrum calculations in the
AEGIS code is explained in detail. By a simple benchmark problem, it is verified that the …

A heterogeneous transport solver in three-dimensional (3-D) geometry, GENESIS, is
developed incorporating recent developments in the method of characteristics (MOC) in 3-D …

Monte Carlo–linked depletion methods have gained recent interest due to the ability to
model complex three-dimensional geometries using continuous-energy cross sections. The …

The validity of various simplified treatments of anisotropic scattering is investigated in typical
LWR configurations that simulate PWR, BWR, and APWR. In addition to the explicit …

A new 2D neutron transport code AutoMOC for arbitrary geometry has been developed. This
code is based on the method of characteristics (MOCs) and the customization of AutoCAD …

A new approach for evaluating the background cross section for heterogeneous and
complicated geometry (the enhanced neutron current method) is presented. The present …

The simulation of fuel composition requires coupled calculations of neutron transport and
burnup. It is generally assumed that the neutron flux density and cross-sections remain …

AEGIS is a lattice physics code incorporating the latest advances in lattice physics
computation, innovative calculation models and efficient numerical algorithms and is mainly …

Monte Carlo-linked depletion methods have gained recent interest due to the ability to more
accurately model complex 3-dimesional geometries and better track the evolution of …