A Newton-Krylov solver for implicit solution of hydrodynamics in core collapse supernovae

Details A Newton-Krylov solver for implicit solution of hydrodynamics in core collapse supernovae A Newton-Krylov solver for implicit solution of hydrodynamics in core collapse supernovae

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jphcs.125a2085r&link_type=abstract

Journal of Physics: Conference Series, Volume 125, Issue 1, pp. 012085 (2008).

Physics

Scientific paper

This paper describes an implicit approach and nonlinear solver for solution of radiation-hydrodynamic problems in the context of supernovae and proto-neutron star cooling. The robust approach applies Newton-Krylov methods and overcomes the difficulties of discontinuous limiters in the discretized equations and scaling of the equations over wide ranges of physical behavior. We discuss these difficulties, our approach for overcoming them, and numerical results demonstrating accuracy and efficiency of the method.

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