2008
DOI: 10.1088/0264-9381/25/12/125012
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Implementation of standard testbeds for numerical relativity

Abstract: We discuss results that have been obtained from the implementation of the initial round of testbeds for numerical relativity which was proposed in the first paper of the Apples with Apples Alliance. We present benchmark results for various codes which provide templates for analyzing the testbeds and to draw conclusions about various features of the codes. This allows us to sharpen the initial test specifications, design a new test and add theoretical insight.

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Cited by 60 publications
(97 citation statements)
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“…We endorse in this way some recent claims (by Winicour and others) that the current code crosscomparison efforts [22,23] should be extended to the boundaries treatment. A convergence test is performed against this exact strong-field solution, showing the expected convergence rate (second order for our simple SBP method).…”
supporting
confidence: 72%
See 1 more Smart Citation
“…We endorse in this way some recent claims (by Winicour and others) that the current code crosscomparison efforts [22,23] should be extended to the boundaries treatment. A convergence test is performed against this exact strong-field solution, showing the expected convergence rate (second order for our simple SBP method).…”
supporting
confidence: 72%
“…In order to test the strong field regime, we will consider the Gowdy solution [20], which describes a space-time containing plane polarized gravitational waves. This is one of the test cases that is used in numerical code cross-comparison with periodic boundary conditions [22,23]. One of the advantages is that it allows for periodic and/or reflecting boundary conditions, which can be applied to the modes which are not in the energy-momentum constraint sector.…”
Section: Gowdy Waves As a Strong Field Testmentioning
confidence: 99%
“…We expect to recover full convergence of the moving puncture formalism in the unigrid limit performing tests similar to those in Ref. [83].…”
Section: Discussionmentioning
confidence: 77%
“…The color scheme follows kcut = c∆k, for c = 2, 4,8,10,12,14,16,20,40, from blue to red (bottom to top). Note that as we initialize more modes, we are also increasing σρ/ρ.…”
Section: Resultsmentioning
confidence: 99%