Binary neutron star mergers: a review of Einstein's richest laboratory

L Baiotti, L Rezzolla - Reports on Progress in Physics, 2017 - iopscience.iop.org
In a single process, the merger of binary neutron star systems combines extreme gravity, the
copious emission of gravitational waves, complex microphysics and electromagnetic …

Conformal and covariant formulation of the Z4 system with constraint-violation damping

D Alic, C Bona-Casas, C Bona, L Rezzolla… - Physical Review D …, 2012 - APS
We present a new formulation of the Einstein equations based on a conformal and traceless
decomposition of the covariant form of the Z4 system. This formulation combines the …

Compact binary evolutions with the Z4c formulation

D Hilditch, S Bernuzzi, M Thierfelder, Z Cao… - Physical Review D …, 2013 - APS
Numerical relativity simulations of compact binaries with the Z4c and Baumgarte-Shapiro-
Shibata-Nakamura-Oohara-Kojima (BSSNOK) formulations are compared. The Z4c …

[HTML][HTML] A well-balanced discontinuous Galerkin method for the first–order Z4 formulation of the Einstein–Euler system

M Dumbser, O Zanotti, E Gaburro, I Peshkov - Journal of Computational …, 2024 - Elsevier
In this paper we develop a new well-balanced discontinuous Galerkin (DG) finite element
scheme with subcell finite volume (FV) limiter for the numerical solution of the Einstein–Euler …

Constraint damping of the conformal and covariant formulation of the Z4 system<? format?> in simulations of binary neutron stars

D Alic, W Kastaun, L Rezzolla - … Review D—Particles, Fields, Gravitation, and …, 2013 - APS
Following previous work in vacuum spacetimes, we investigate the constraint-damping
properties in the presence of matter of the recently developed traceless, conformal and …

Conformal and covariant Z4 formulation of the Einstein equations: strongly hyperbolic first-order reduction and solution with discontinuous Galerkin schemes

M Dumbser, F Guercilena, S Köppel, L Rezzolla… - Physical Review D, 2018 - APS
We present a strongly hyperbolic first-order formulation of the Einstein equations based on
the conformal and covariant Z4 system (CCZ4) with constraint-violation damping, which we …

On GLM curl cleaning for a first order reduction of the CCZ4 formulation of the Einstein field equations

M Dumbser, F Fambri, E Gaburro, A Reinarz - Journal of Computational …, 2020 - Elsevier
In this paper we propose an extension of the generalized Lagrangian multiplier method
(GLM) of Munz et al.[52],[30], which was originally conceived for the numerical solution of the …

Dynamical ejecta and nucleosynthetic yields from eccentric binary neutron-star mergers

LJ Papenfort, R Gold, L Rezzolla - Physical Review D, 2018 - APS
With the recent advent of multimessenger gravitational-wave astronomy and in anticipation
of more sensitive, next-generation gravitational-wave detectors, we investigate the …

A structure-preserving finite volume scheme for a hyperbolic reformulation of the Navier–Stokes–Korteweg equations

F Dhaouadi, M Dumbser - Mathematics, 2023 - mdpi.com
In this paper, we present a new explicit second-order accurate structure-preserving finite
volume scheme for the first-order hyperbolic reformulation of the Navier–Stokes–Korteweg …

A well balanced finite volume scheme for general relativity

E Gaburro, MJ Castro, M Dumbser - SIAM Journal on Scientific Computing, 2021 - SIAM
In this work we present a novel second order accurate well balanced (WB) finite volume (FV)
scheme for the solution of the general relativistic magnetohydrodynamics (GRMHD) …