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Calculation Method of Radiation Spectral Transfer in Frameworks of Two-Dimensional Magnetohydrodynamic Code FLUX-rz

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4 Author(s)
Boris Glebovich Repin ; Scientific and Technical Center of Physics, High-Energy Density Physics and Directed Radiation Fluxes, Russian Federal Nuclear Center (RFNC)—All-Russian Research Institute of Experimental Physics (VNIIEF), Sarov, Russia ; Andrey Petrovich Orlov ; Pavel Borisovich Repin ; Victor Dmitrievich Selemir

A magnetohydrodynamic model of irradiating Z-pinch is the basis of a 2-D (in Euler cylindrical coordinates r-z) computer code FLUX-rz developed in VNIIEF (Russia). Earlier, the code considered the thermal radiation transfer in one-group (gray) diffusion approximation. This paper presents a modification of the FLUX-rz code in which we realized a multigroup diffusion model of the radiation transfer. Efficiency of an improved algorithm has been demonstrated by sample calculations of Shot 52 and Shot 567 on Z-machine at Sandia National Laboratories (U.S.).

Published in:

IEEE Transactions on Plasma Science  (Volume:38 ,  Issue: 8 )