Reactor dosimetry applications using parallel 3-D radiation transport code

Abstract

The invention relates generally to a method for the calculation of radiation field distributions employing a new parallel 3-D radiation transport code and, a multi-processor computer architecture. The code solves algorithms using a domain decomposition approach. For example, angular and spatial domains can be partitioned into subsets and, the subsets can be independently allocated and processed.

Description

[0001] Cross References to Related Applications [0002] This provisional patent application claims priority to US Provisional Patent Application Serial No. 60 / 975,525, filed September 27, 2007. technical field [0003] The present invention relates generally to the calculation of radiation field distributions, and is particularly useful in predicting neutron-dosimetry responses to nuclear reactor cavities and internal components. Background technique [0004] Various methods can be used to obtain numerical solutions to the linear Boltzmann equation (LBE) for neutron and gamma radiation transport applications. Discrete ordinate method (S N ) is one such method used in particular in the field of nuclear engineering. S N The numerical solution of the equations is obtained by concurrent discretization of the phase space (ie, angle domain, space domain and energy domain). Concurrent discretization of the phase space leads to S N The large number of unknowns in the equation,...

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Problems solved by technology

The large computational resources required may preclude the use of single-processor workstations to solve such problems

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