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physics.comp-ph2019★ 1 cited
Acceleration of the Sn Equations with Highly Anisotropic Scattering using the Fokker-Planck Equation
Japan K. Patel, James S. Warsa, Anil K. Prinja
The discrete ordinates method can model forward-peaked transport problems accurately. However, convergence of discrete ordinates solution can become arbitrarily slow upon use of st…
physics.comp-ph2011★ 50 cited
Nonlinear Krylov Acceleration Applied to a Discrete Ordinates Formulation of the k-Eigenvalue Problem
Matthew T. Calef, Erin D. Fichtl, James S. Warsa +2
We compare variants of Anderson Mixing with the Jacobian-Free Newton-Krylov and Broyden methods applied to an instance of the k-eigenvalue formulation of the linear Boltzmann trans…