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arXiv · 0905.3362

The Post-Quasistatic Approximation as a test bed for Numerical Relativity

W. Barreto
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Abstract

It is shown that observers in the standard ADM 3+1 treatment of matter are the same as the observers used in the matter treatment of Bondi: they are comoving and local Minkowskian. Bondi's observers are the basis of the post--quasitatic approximation (PQSA) to study a contracting distribution of matter. This correspondence suggests the possibility of using the PQSA as a test bed for Numerical Relativity. The treatment of matter by the PQSA and its connection with the ADM 3+1 treatment are presented, for its practical use as a calibration tool and as a test bed for numerical relativistic hydrodynamic codes.

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W. Barreto. 2009-05-20. The Post-Quasistatic Approximation as a test bed for Numerical Relativity. https://doi.org/10.1103/physrevd.79.107502

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