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[en] A method for calculating the local homogeneous neutron flux within a node is described. Functions used in the interpolation scheme are eigenfunctions of the Laplace operator, i.e. eigenfunctions of the eigenvalue problem associated with the diffusion equation. Unknown coefficients of the functions are determined from node surface averaged fluxes, node corner fluxes and their derivatives. The method is tested on the two-dimensional IAEA benchmark case. Accuracy of the results shows that the method is competitive to all advanced interpolation schemes. (author)
[sl]
V prispevku je opisana metoda izracuna lokalnih homogenih porazdelitev nevtronskega fluksa. V interpolacijskem algoritmu so uporabljene lastne funkcije Laplaceovega operatorja, ki nastopa po diagonalizaciji difuzijske enacbe. Neznani koeficienti se dolocijo iz povprecnih vrednosti nevtronskega fluksa po stranicah domene ter vogalnih vrednosti fluksa in njegovega odvoda. Metoda je testirana na dvodimenzionalnem IAEA testnem primeru. Natancnost rezultatov kaze, da je metoda konkurencna vsem sodobnim interpolacijskim algoritmom. (author)Source
Stritar, A.; Jencic, I. (Nuclear Society of Slovenia (Slovenia)) (eds.); Nuclear Society of Slovenia, Ljubljana (Slovenia); 332 p; ISBN 961-90004-0-4; 
; 1992; p. 12-19; First Meeting of the Nuclear Society of Slovenia; Bovec (Slovenia); 11-12 Jun 1992; Also available from Slovenian Nuclear Safety Administration, Zelezna cesta 16, Ljubljana (SI) or Nuclear Society of Slovenia, Jamova 39, Ljubljana (SI); 6 refs., 1 tab., 2 figs.
; 1992; p. 12-19; First Meeting of the Nuclear Society of Slovenia; Bovec (Slovenia); 11-12 Jun 1992; Also available from Slovenian Nuclear Safety Administration, Zelezna cesta 16, Ljubljana (SI) or Nuclear Society of Slovenia, Jamova 39, Ljubljana (SI); 6 refs., 1 tab., 2 figs.