Stellar hydrodynamics with Glaister's Riemann solver - an approach to the stellar collapse

Details Stellar hydrodynamics with Glaister's Riemann solver - an approach to the stellar collapse Stellar hydrodynamics with Glaister's Riemann solver - an approach to the stellar collapse

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jcoph..90..262m&link_type=abstract

Journal of Computational Physics (ISSN 0021-9991), vol. 90, Sept. 1990, p. 262-266. Research supported by CICYT.

Statistics

Computation

Cauchy Problem, Euler Equations Of Motion, Gas Dynamics, Gravitational Collapse, Stellar Evolution, White Dwarf Stars, Equations Of State, Supernovae

Scientific paper

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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