Three-dimensional adaptive evolution of gravitational waves in numerical relativity

Details Three-dimensional adaptive evolution of gravitational waves in numerical relativity Three-dimensional adaptive evolution of gravitational waves in numerical relativity

2000-07-18

arxiv.org/abs/gr-qc/0007045v1

Phys.Rev. D62 (2000) 084039

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

REVTeX, 7 pages, including three figures; submitted to Physical Review D

Scientific paper

10.1103/PhysRevD.62.084039

Adaptive techniques are crucial for successful numerical modeling of gravitational waves from astrophysical sources such as coalescing compact binaries, since the radiation typically has wavelengths much larger than the scale of the sources. We have carried out an important step toward this goal, the evolution of weak gravitational waves using adaptive mesh refinement in the Einstein equations. The 2-level adaptive simulation is compared with unigrid runs at coarse and fine resolution, and is shown to track closely the features of the fine grid run.

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