2008
DOI: 10.1103/physrevd.77.024027
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Calibration of moving puncture simulations

Abstract: We present single and binary black-hole simulations that follow the ''moving-puncture'' paradigm of simulating black-hole spacetimes without excision, and use ''moving boxes'' mesh refinement. Focusing on binary black-hole configurations where the simulations cover roughly two orbits, we address five major issues determining the quality of our results: numerical discretization error, finite extraction radius of the radiation signal, physical appropriateness of initial data, gauge choice, and computational perf… Show more

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Cited by 415 publications
(770 citation statements)
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“…Numerical simulations were performed with the BAM [11] and CCATIE [23] codes. Both codes evolve blackhole binaries using the 'moving-puncture' approach [7,8].…”
Section: Numerical Simulations and Wave Extractionmentioning
confidence: 99%
See 2 more Smart Citations
“…Numerical simulations were performed with the BAM [11] and CCATIE [23] codes. Both codes evolve blackhole binaries using the 'moving-puncture' approach [7,8].…”
Section: Numerical Simulations and Wave Extractionmentioning
confidence: 99%
“…For equal-mass evolutions performed with the CCATIE code, parameters for quasi-circular orbit were determined by minimizing an effective potential for the binary [23,67,68]. For the unequal-mass simulations performed with the BAM code [15], initial momenta were specified by the 3PN-accurate quasi-circular formula given in Section VII of [11]. For the longer unequal-mass simulations performed with higher-order spatial finite-difference methods [37] and used for verification, the initial momenta were taken from a PN prescription that takes radiation reaction into account to reduce the initial eccentricity to below e ≈ 10 −3 [38].…”
Section: Numerical Simulations and Wave Extractionmentioning
confidence: 99%
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“…Several gravitational wave detectors [1][2][3] have now achieved a high enough level of sensitivity that the first astrophysical observations are expected to occur within the next few years. The numerical relativity community has also matured to the point that several groups are now computing model gravitational waveforms for the inspiral and merger of black hole and neutron star binary systems [4][5][6][7][8][9][10][11][12][13]. Beyond the pioneering work of Mark Miller [14] and Stephen Fairhurst [15], however, little effort has gone into thinking about the question of how accurate these model waveforms need to be.…”
Section: Introductionmentioning
confidence: 99%
“…The late stage of the inspiral, corresponding to the final few orbits and merger of the binary, is highly dynamical and involves strong gravitational fields, and it must be handled by numerical relativity. Breakthroughs in numerical relativity have allowed a system of two inspiraling black holes to be evolved through merger and the ringdown of the remnant black hole [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15].…”
Section: Introductionmentioning
confidence: 99%