APOLLO3® is a common project of CEA, AREVA and EDF for the development of a new
generation code system for core physics analysis providing improved accuracy, flexible …

A renaissance in fast reactor research and development and the rapid development of
computing technologies have encouraged improvements in fast reactor modeling and …

This paper presents a comparison of homogenization techniques implemented in the
APOLLO3 platform for transport core calculations: standard scalar flux weighting and new …

Abstract Design of modern sodium fast reactors such as the French SFR project ASTRID are
axially heterogeneous in order to maximize neutron leakage and therefore improve their …

A three-dimensional (3D) axial capabilities have been recently implemented in the TDT-
MOC solver (Method of Characteristics solver), module of the French deterministic core …

Abstract Design and development of future reactor technologies rely on an intensive use of
computational tools for which confidence levels have to be quantified for each targeted …

Lead-bismuth cooled fast reactor calculation code system named MOSASAUR has been
developed to meet the simulation requirements from LBFR engineering design. An overview …

CEA is largely involved in the study of GEN-IV Sodium Fast Reactors (SFR). Some
innovative reactivity control systems are proposed such as utilization of different absorbers …

This paper presents a new breakdown methodology to estimate independently model
biases for each approximations of a given calculation scheme. This new methodology is set …

In order to accurately compute the ASTRID4 $^{th} $ generation Sodium Fast Reactor (SFR)
prototype neutronic parameters, a new APOLLO3® deterministic code is under development …