In discrete-ordinates (SN) simulations of large problems involving linear interactions
between radiation and matter, the underlying linear Boltzmann problem is discretized and …

APOLLO3® is a French deterministic reactor code for lattice and core calculations. It has
been developed at CEA (Commissariat à l'Energie Atomique) with the financial and …

Page 1 L - (8+N) N 48 2 q=4 points q=N-2p+(5/2) q=6=N-2p+2 Applied Reactor Physics
Cos Wa D UT TONER PRESSES INTERNATIONALES POLYTECHNIQUE Alain Hébert …

This paper presents the mostortant developments implemented in the APOLLO2 spectral
code since its last general presentation at the 1999 M&C conference in Madrid. APOLLO2 …

The focus of this thesis is on the development of a highly scalable parallel algorithm for
solving the 3-D method of characteristics (MOC) form of the Boltzmann neutron transport …

Abstract The Implicitly Restarted Arnoldi Method (IRAM), a Krylov subspace iterative method,
applied to k-eigenvalue calculations for criticality problems in deterministic transport codes …

A numerical solution for the method of characteristics in structured meshes is proposed to
treat media comprising stochastic regions. As opposed to an earlier approach, the new …

Algebraic preconditioners, renumbering techniques and a two-level algebraic multigrid
method have been implemented to speed up the Krylov iterations of the DPN equations …

The NEWT (NEW Transport algorithm) code is a multi-group discrete ordinates neutral-
particle transport code with flexible meshing capabilities. This code employs the Extended …

The method of characteristics (MOC) in unstructured meshes has become a standard for
reactor physics applications. One of the major drawbacks of the MOC is the difficulty to …