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The Application of a Multi-Physics Toolkit to Spatial Reactor Dynamics (CROSBI ID 613877)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Clifford, I. ; Jasak, Hrvoje The Application of a Multi-Physics Toolkit to Spatial Reactor Dynamics. 2009

Podaci o odgovornosti

Clifford, I. ; Jasak, Hrvoje

engleski

The Application of a Multi-Physics Toolkit to Spatial Reactor Dynamics

Traditionally coupled field nuclear reactor analysis has been carried out using several loosely coupled solvers, each having been developed independently from the others. In the field of multi-physics, the current generation of object-oriented toolkits provides robust close coupling of multiple fields on a single framework. This paper describes the initial results obtained as part of continuing research in the use of the OpenFOAM multi-physics toolkit for reactor dynamics application development. An unstructured, three-dimensional, time-dependent multi-group diffusion code DiffusionFOAM has been developed using the OpenFOAM multi-physics toolkit as a basis. The code is based on the finite-volume methodology and uses a newly developed block-coupled sparse matrix solver for the coupled solution of the multi-group diffusion equations. A description of this code is given with particular emphasis on the newly developed block-coupled solver, along with a selection of results obtained thus far. The code has performed well, indicating that the OpenFOAM toolkit is suited to reactor dynamics applications. This work has shown that the neutronics and simplified thermal-hydraulics of a reactor may be represented and solved for using a common calculation platform, and opens up the possibility for research into robust close- coupling of neutron diffusion and thermal-fluid calculations. This work has further opened up the possibility for research in a number of other areas, including research into three-dimensional unstructured meshes for reactor dynamics applications

Diffusion; Finite-Volume; Dynamics; Multi-Physics

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Podaci o prilogu

2009.

objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

International Conference on Mathematics, Computational Methods & Reactor Physics. American Nuclear Society

predavanje

03.05.2009-07.05.2009

Saratoga Springs (NY), Sjedinjene Američke Države

Povezanost rada

Strojarstvo