Extrapolating gravitational-wave data from numerical simulations

Journal Article · Tue Dec 15 00:00:00 EST 2009 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.80.124045· OSTI ID:21316545

Boyle, Michael ^[1]; Mroue, Abdul H ^[1]

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1. Center for Radiophysics and Space Research, Cornell University, Ithaca, New York 14853 (United States)

Two complementary techniques are developed for obtaining the asymptotic form of gravitational-wave data at large radii from numerical simulations, in the form of easily implemented algorithms. It is shown that, without extrapolation, near-field effects produce errors in extracted waveforms that can significantly affect LIGO data analysis. The extrapolation techniques are discussed in the context of Newman-Penrose data applied to extrapolation of waveforms from an equal-mass, nonspinning black-hole binary simulation. The results of the two methods are shown to agree within error estimates. The various benefits and deficiencies of the methods are discussed.

• OSTI ID: 21316545
• Journal Information: Physical Review. D, Particles Fields, Vol. 80, Issue 12; Other Information: DOI: 10.1103/PhysRevD.80.124045; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

97 MATHEMATICAL METHODS AND COMPUTING
79 ASTROPHYSICS
COSMOLOGY AND ASTRONOMY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGORITHMS
ASYMPTOTIC SOLUTIONS
BLACK HOLES
COMPUTERIZED SIMULATION
DATA ANALYSIS
EXTRAPOLATION
GRAVITATIONAL WAVES
MASS
WAVE FORMS