A. M. Voloschenko, A. V. Voronkov, E. P. Sychugova, “Consistent P<sub>1</sub>SA Scheme for Acceleration of Inner and Outer Iterations Convergence for the Neutron and Gamma-Rays Transport Equation in One-Dimensional Geometries: Implementation in Code Package REACTOR”, Keldysh Institute preprints, 1996,002

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Consistent P₁SA Scheme for Acceleration of Inner and Outer Iterations Convergence for the Neutron and Gamma-Rays Transport Equation in One-Dimensional Geometries: Implementation in Code Package REACTOR

A. M. Voloschenko, A. V. Voronkov, E. P. Sychugova

Abstract: The construction of the P₁SA scheme for acceleration of inner and outer iterations convergence consistent with the weighted diamond difference discrete ordinates multigroup transport equation in one-dimensional geometries is discussed. The scattering anisotropy is operated in the P_k-approximation. The outer iterations acceleration technique is described for anisotropic scattering neutron thermalization problems and subcritical fission boundary problems. Some numerical examples are given. The described variant of the P₁SA algorithm is implemented in the code package REACTOR.