Stellar hydrodynamics with glaister's riemann solver: An approach to the stellar collapse (original) (raw)

Journal of Computational Physics, 1990

Abstract

The Glaister (1988) approximate Riemann solver for solving the Euler gasdynamic equations in one dimension has been implemented in a Lagrangian hydrodynamical code and applied to spherically symmetric stellar collapse. This method is found to allow the efficient treatment of strong shocks generated by stellar collapse. By comparison with Godunov's Riemann solver, Glaister's is 20 percent less time-consuming.

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