Editors: Pau Amaro-Seoane & Bernard Schutz
The last GW Note is by Jonathan Thornburg

Archive for the ‘numerical methods’ Category

How well do STARLAB and NBODY compare? II: Hardware and accuracy

Monday, January 30th, 2012

arXiv:1201.5692

by Anders, P. and Baumgardt, H. and Gaburov, E. and Zwart, S. Portegies
14 pages incl. 3 pages with figures and 4 pages of tables (analysis results), MNRAS in press

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PSDF: Particle Stream Data Format for N-Body Simulations

Tuesday, January 10th, 2012

arXiv:1201.1694

by Farr, Will M. and Ames, Jeff and Hut, Piet and Makino, Junichiro and McMillan, Steve and Muranushi, Takayuki and Nakamura, Koichi and Nitadori, Keigo and Zwart, Simon Portegies
5 pages; submitted to New Astronomy

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A dynamical study of Galactic globular clusters under different relaxation conditions

Tuesday, January 10th, 2012

arXiv:1201.1466

by Zocchi, A. and Bertin, G. and Varri, A. L.
18 pages, 7 figures. Accepted for publication in Astronomy & Astrophysics

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Measuring the Effects of Artificial Viscosity in SPH Simulations of Rotating Fluid Flows

Saturday, December 24th, 2011

arXiv:1112.5120

by Taylor, Paul A. and Miller, John C.
14 pages, 9 figures, submitted to MNRAS

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Implementation of a Parallel Tree Method on a GPU

Saturday, December 24th, 2011

arXiv:1112.4539

by Nakasato, Naohito
Journal of Computational Science, 2011; See our recent update at http://galaxy.u-aizu.ac.jp/trac/note/wiki/Octree_On_GPU

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Improving the Smoothed Particle Hydrodynamics with an integral approach to calculate gradients

Tuesday, November 15th, 2011

arXiv:1111.3261

by Garcia-Senz, Domingo and Cabezon, Ruben M. and Escartin, Jose Antonio
15 pages, 12 figures, accepted for publication in Astronomy & Astrophysics

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Convergence of SPH simulations of self-gravitating accretion discs: Sensitivity to the implementation of radiative cooling

Tuesday, November 15th, 2011

arXiv:1111.3147

by Rice, W. K. M. and Forgan, D. H. and Armitage, P. J.
9 pages, 11 figures, MNRAS in press

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Dusty gas with SPH – II. Implicit timestepping and astrophysical drag regimes

Tuesday, November 15th, 2011

arXiv:1111.3089

by Laibe, Guillaume and Price, Daniel J.
Accepted for publication in MNRAS

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Dusty gas with SPH – I. Algorithm and test suite

Tuesday, November 15th, 2011

arXiv:1111.3090

by Laibe, Guillaume and Price, Daniel J.
Accepted for publication in MNRAS

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Mass-Energy and Momentum Extraction by Gravitational Wave Emission in the Merger of Two Colliding Black Holes: The Non-Head-On Case

Tuesday, November 8th, 2011

arXiv:1111.1223

by Aranha, R. F. and Soares, I. Damião and Tonini, E. V.
18 pages, 12 Figures

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Hydrodynamic simulations on a moving Voronoi mesh

Tuesday, September 20th, 2011

arXiv:1109.2218

by Springel, Volker
35 pages, 10 figures; invited review for the volume “Tessellations in the Sciences: Virtues, Techniques and Applications of Geometric Tilings”, eds. R. van de Weijgaert, G. Vegter, J. Ritzerveld and V. Icke, Springer (accepted)

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Smoothed Particle Hydrodynamics in Astrophysics

Tuesday, September 20th, 2011

arXiv:1109.2219

by Springel, Volker
43 pages, 11 figures, invited review that appeared in ARA&A

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Intermediate-mass-ratio black hole binaries II: Modeling Trajectories and Gravitational Waveforms

Wednesday, August 24th, 2011

arXiv:1108.4421

by Nakano, Hiroyuki and Zlochower, Yosef and Lousto, Carlos O. and Campanelli, Manuela
23 pages, 35 figures, revtex4

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Gravitational waves in dynamical spacetimes with matter content in the Fully Constrained Formulation

Thursday, August 18th, 2011

arXiv:1108.0571

by Cordero-Carrión, Isabel and Cerdá-Durán, Pablo and Ibáñez, José María
18 pages, 9 figures, 2 tables

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Distributional sources for black hole initial data

Wednesday, July 27th, 2011

arXiv:1107.4691

by Tonita, Aaryn
Code available at https://github.com/SwampWalker/LeapingMonkey

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Gravitational waves from the Papaloizou-Pringle instability in black hole-torus systems

Thursday, May 26th, 2011

arXiv:1105.5035

by Kiuchi, Kenta and Shibata, Masaru and Montero, Pedro J. and Font, José A.
4 pages, 4 figure, to be published in PRL

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Time-domain modelling of Extreme-Mass-Ratio Inspirals for the Laser Interferometer Space Antenna

Monday, March 14th, 2011

arXiv:1103.2149

by Canizares, Priscilla and Sopuerta, Carlos F.
4 pages, 2 figures, JPCS latex style. Submitted to JPCS (special issue for the proceedings of the Spanish Relativity Meeting (ERE2010))

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Particle-Particle Particle-Tree: A Direct-Tree Hybrid Scheme for Collisional N-Body Simulations

Monday, February 7th, 2011

arXiv:1101.5504

by Oshino, Shoichi and Funato, Yoko and Makino, Junichiro
22 pages, 15 figures

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Tuning Time-Domain Pseudospectral Computations of the Self-Force on a Charged Scalar Particle

Friday, January 14th, 2011

arXiv:1101.2526

by Canizares, Priscilla and Sopuerta, Carlos F.
IOP LaTeX style. 11 pages, 4 pages. Contribution to the NRDA/CAPRA 2010 Conference

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Resolution requirements for Smoothed Particle Hydrodynamics simulations of self-gravitating accretion discs

Friday, January 14th, 2011

arXiv:1101.2448

by Lodato, Giuseppe and Clarke, Cathie C.
7 pages, 2 figures. Accepted by MNRAS

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Black-hole binaries go to eleven orbits

Monday, January 10th, 2011

arXiv:1012.3173

by Sperhake, Ulrich and Bruegmann, Bernd and Mueller, Doreen and Sopuerta, Carlos F.
Submitted to CQG, Special Edition for NRDA/CAPRA 2010, 13 pages, 7 figures

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The Status of Black-Hole Binary Merger Simulations with Numerical Relativity

Monday, January 10th, 2011

arXiv:1012.2872

by McWilliams, Sean T.
Invited review for NRDA/CAPRA 2010, CQG special issue – 7 pages, 1 figure, 1 table

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Binary black hole coalescence in the extreme-mass-ratio limit: testing and improving the effective-one-body multipolar waveform

Monday, January 10th, 2011

arXiv:1012.2456

by Bernuzzi, Sebastiano and Nagar, Alessandro and Zenginoglu, Anil

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MYRIAD: A new N-body code for simulations of Star Clusters

Friday, June 18th, 2010

arXiv:1006.3326

by Konstantinidis, Simos and Kokkotas, Kostas D.
24 pages, 28 figures

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Symplectic Integration of Post-Newtonian Equations of Motion with Spin

Monday, March 29th, 2010

arXiv:1003.5122

by Lubich, Christian and Walther, Benny and Bruegmann, Bernd
9 pages, 6 figures

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Cover art: issues in the metric-guided and metric-less placement of random and stochastic template banks

Saturday, February 13th, 2010

arXiv:0909.0563

by Manca, Gian Mario and Vallisneri, Michele
RevTeX4, 21 pages, 9 PDF figures

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Gravitational self-force on a particle in eccentric orbit around a Schwarzschild black hole

Friday, February 12th, 2010

arXiv:1002.2386

by Barack, Leor and Sago, Norichika
42 pages

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Intermediate Mass Ratio Black Hole Binaries: Numerical Relativity meets Perturbation Theory

Friday, January 15th, 2010

arXiv:1001.2316

by Lousto, Carlos O. and Nakano, Hiroyuki and Zlochower, Yosef and Campanelli, Manuela
4 pages, 5 figures, revtex4

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Toward a dynamical shift condition for unequal mass black hole binary simulations

Thursday, December 17th, 2009

arXiv:0912.3125

by Mueller, Doreen and Bruegmann, Bernd
15 pages, submitted to CQG for NRDA 2009 conference proceedings

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Asymptotics of black hole perturbations

Thursday, December 17th, 2009

arXiv:0911.2450

by Zenginoglu, Anil
9 pages, 8 figures

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