Apples with Apples comparison of 3+1 conformal numerical relativity schemes

29 Oct 2018 · Daverio David, Dirian Yves, Mitsou Ermis ·

This paper contains a comprehensive comparison catalog of `Apples with Apples' tests for the BSSNOK, CCZ4 and Z4c numerical relativity schemes, with and without constraint damping terms for the latter two. We use basic numerical methods and reach the same level of accuracy as existing results in the literature. We find that the best behaving scheme is generically CCZ4 with constraint damping terms.

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Apples with Apples comparison of 3+1 conformal numerical relativity schemes

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