Search Results for author: Michael Boyle

Found 11 papers, 6 papers with code

APE-V: Athlete Performance Evaluation using Video

1 code implementation IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) Workshops 2022 Chaitanya Roygaga, Dhruva Patil, Michael Boyle, William Pickard, Raoul Reiser, Aparna Bharati, Nathaniel Blanchard

However, athlete error calls into question 46. 2% of movements — in these cases, an expert assessor would have the athlete redo the movement to eliminate the error.

Computation of Displacement and Spin Gravitational Memory in Numerical Relativity

no code implementations22 Jul 2020 Keefe Mitman, Jordan Moxon, Mark A. Scheel, Saul A. Teukolsky, Michael Boyle, Nils Deppe, Lawrence E. Kidder, William Throwe

We also perform a separate calculation of the memory using equations for the Bondi-Metzner-Sachs charges as well as the energy and angular momentum fluxes at asymptotic infinity.

General Relativity and Quantum Cosmology

Constraining the parameters of GW150914 & GW170104 with numerical relativity surrogates

1 code implementation24 Aug 2018 Prayush Kumar, Jonathan Blackman, Scott E. Field, Mark Scheel, Chad R. Galley, Michael Boyle, Lawrence E. Kidder, Harald P. Pfeiffer, Bela Szilagyi, Saul A. Teukolsky

In this paper we demonstrate the viability of these surrogate models as reliable parameter estimation tools, and show that within a fully Bayesian framework surrogates can help us extract more information from gravitational wave observations than traditional models.

General Relativity and Quantum Cosmology 83C57, 83C35 J.2

A Numerical Relativity Waveform Surrogate Model for Generically Precessing Binary Black Hole Mergers

1 code implementation19 May 2017 Jonathan Blackman, Scott E. Field, Mark A. Scheel, Chad R. Galley, Christian D. Ott, Michael Boyle, Lawrence E. Kidder, Harald P. Pfeiffer, Béla Szilágyi

A generic, non-eccentric binary black hole (BBH) system emits gravitational waves (GWs) that are completely described by 7 intrinsic parameters: the black hole spin vectors and the ratio of their masses.

General Relativity and Quantum Cosmology

An improved effective-one-body model of spinning, nonprecessing binary black holes for the era of gravitational-wave astrophysics with advanced detectors

no code implementations11 Nov 2016 Alejandro Bohé, Lijing Shao, Andrea Taracchini, Alessandra Buonanno, Stanislav Babak, Ian W. Harry, Ian Hinder, Serguei Ossokine, Michael Pürrer, Vivien Raymond, Tony Chu, Heather Fong, Prayush Kumar, Harald P. Pfeiffer, Michael Boyle, Daniel A. Hemberger, Lawrence E. Kidder, Geoffrey Lovelace, Mark A. Scheel, Béla Szilágyi

After extrapolation of the calibrated model to arbitrary mass ratios and spins, the (dominant-mode) EOBNR waveforms have faithfulness --- at design Advanced-LIGO sensitivity --- above $99\%$ against all the NR waveforms, including 16 additional waveforms used for validation, when maximizing only on initial phase and time.

General Relativity and Quantum Cosmology

On the accuracy and precision of numerical waveforms: Effect of waveform extraction methodology

no code implementations21 Dec 2015 Tony Chu, Heather Fong, Prayush Kumar, Harald P. Pfeiffer, Michael Boyle, Daniel A. Hemberger, Lawrence E. Kidder, Mark A. Scheel, Bela Szilagyi

We find that numerical truncation error, error due to gravitational wave extraction, and errors due to the finite length of the numerical waveforms are of similar magnitude, with gravitational wave extraction errors somewhat dominating at noise-weighted mismatches of $\sim 3\times 10^{-4}$.

General Relativity and Quantum Cosmology

Gravitational-wave modes from precessing black-hole binaries

1 code implementation15 Sep 2014 Michael Boyle, Lawrence E. Kidder, Serguei Ossokine, Harald P. Pfeiffer

For strongly precessing systems, it accounts for at least 3% amplitude modulation for binaries in the sensitivity band of ground-based gravitational-wave detectors, and can exceed 50% for massive systems.

General Relativity and Quantum Cosmology

Effective-one-body model for black-hole binaries with generic mass ratios and spins

no code implementations11 Nov 2013 Andrea Taracchini, Alessandra Buonanno, Yi Pan, Tanja Hinderer, Michael Boyle, Daniel A. Hemberger, Lawrence E. Kidder, Geoffrey Lovelace, Abdul H. Mroue, Harald P. Pfeiffer, Mark A. Scheel, Bela Szilagyi, Nicholas W. Taylor, Anil Zenginoglu

Gravitational waves emitted by black-hole binary systems have the highest signal-to-noise ratio in LIGO and Virgo detectors when black-hole spins are aligned with the orbital angular momentum and extremal.

General Relativity and Quantum Cosmology

Comparing Gravitational Waveform Extrapolation to Cauchy-Characteristic Extraction in Binary Black Hole Simulations

no code implementations13 Sep 2013 Nicholas W. Taylor, Michael Boyle, Christian Reisswig, Mark A. Scheel, Tony Chu, Lawrence E. Kidder, Bela Szilagyi

The direct NP approach is simpler than CCE, but NP waveforms can be contaminated by near-zone effects---unless the waves are extracted at several distances from the source and extrapolated to infinity.

General Relativity and Quantum Cosmology

Angular velocity of gravitational radiation from precessing binaries and the corotating frame

1 code implementation12 Feb 2013 Michael Boyle

When decomposed in this frame, the waveform has no rotational dynamics and is therefore as slowly evolving as possible.

General Relativity and Quantum Cosmology

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