Evolving relativistic fluid spacetimes using pseudospectral methods and finite differencing

Details Evolving relativistic fluid spacetimes using pseudospectral methods and finite differencing Evolving relativistic fluid spacetimes using pseudospectral methods and finite differencing

2007-02-25

arxiv.org/abs/gr-qc/0702126v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

To appear in the Proceedings of the Eleventh Marcel Grossmann Meeting

Scientific paper

We present a new code for solving the coupled Einstein-hydrodynamics equations to evolve relativistic, self-gravitating fluids. The Einstein field equations are solved on one grid using pseudospectral methods, while the fluids are evolved on another grid by finite differencing. We discuss implementation details, such as the communication between the grids and the treatment of stellar surfaces, and present code tests.

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