Toward fidelity and scalability in non-vacuum mergers

We study the evolution of two fiducial configurations for binary neutron stars using two different general relativistic hydrodynamics (GRHD), distributed adaptive mesh codes. One code, Had, has for many years been used to study mergers of compact object binaries, while a new code, MHDuet, has been r...

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Published in:Classical and quantum gravity 2020-07, Vol.37 (13), p.135006
Main Authors: Liebling, Steven L, Palenzuela, Carlos, Lehner, Luis
Format: Article
Language:English
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binary neutron stars
gravitational waves
numerical relativity
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description We study the evolution of two fiducial configurations for binary neutron stars using two different general relativistic hydrodynamics (GRHD), distributed adaptive mesh codes. One code, Had, has for many years been used to study mergers of compact object binaries, while a new code, MHDuet, has been recently developed with the experience gained with the older one as well as several novel features for scalability improvements. As such, we examine the performance of each, placing particular focus on future requirements for the extraction of gravitational wave signatures of non-vacuum binaries.
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subjects binary neutron stars
gravitational waves
numerical relativity
title Toward fidelity and scalability in non-vacuum mergers
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