Octree Ray Tracing Method for Complicated Reactor Geometry

¹ KIAM RAS, Miusskaya Square, 4, Moscow, Russia
² Department of Nuclear Engineering, UC Berkeley, 4105 Etcheverry Hall MC 1730, Berkeley, CA 94720-1730, USA

^* Corresponding Author, E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

This paper presents the new approach to ray tracing for nuclear reactor neutron transport computer simulation analysis. This method is aimed for Monte-Carlo methods as well as for deterministic neutron transport methods. Special attention is attended for reactor core composed of a set of material zones with complicate geometrical boundaries.

The idea of this approach is described. Method works for 3-D space in general case. Algorithms of octree map generation and the tracing phases for typical geometric bodies are given. Simple 2-D numerical benchmark is given to demonstrate the advantage of new approach.