GRAMSES: a new route to general relativistic N-body simulations in cosmology. Part I. Methodology and code description

DOI10.1088/1475-7516/2020/01/007zbMath1490.83039OpenAlexW2946675455MaRDI QIDQ5067791

Baojiu Li, Cristian Barrera Hinojosa

Publication date: 4 April 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/1475-7516/2020/01/007

zbMATH Keywords

cosmological simulationscosmic webdark matter simulations

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Nonlinear elliptic equations (35J60) Lattice gravity, Regge calculus and other discrete methods in general relativity and gravitational theory (83C27) Many-body theory; quantum Hall effect (81V70) Relativistic gravitational theories other than Einstein's, including asymmetric field theories (83D05) Yang-Mills and other gauge theories in mechanics of particles and systems (70S15) Propagation of singularities; initial value problems on manifolds (58J47) Flows related to mean curvature (53E10) Dark matter and dark energy (83C56) Mathematical modeling or simulation for problems pertaining to relativity and gravitational theory (83-10)

Related Items (8)

General relativistic cosmological N-body simulations. Part I. Time integration ⋮ Including relativistic and primordial non-Gaussianity contributions in cosmological simulations by modifying the initial conditions ⋮ Fast full N-body simulations of generic modified gravity: conformal coupling models ⋮ EBWeyl: a code to invariantly characterize numerical spacetimes ⋮ Asevolution: a relativistic N-body implementation of the (a)symmetron ⋮ BiGONLight: light propagation with bilocal operators in numerical relativity ⋮ Lessons for adaptive mesh refinement in numerical relativity ⋮ Does relativistic cosmology software handle emergent volume evolution?

Uses Software

• GRAMSES

Cites Work

• The Einstein Toolkit: a community computational infrastructure for relativistic astrophysics
• N -body methods for relativistic cosmology
• Evolution of three-dimensional gravitational waves: Harmonic slicing case
• Numerical integration of Einstein’s field equations
• Dynamical Structure and Definition of Energy in General Relativity
• Is there proof that backreaction of inhomogeneities is irrelevant in cosmology?
• WAVELESS APPROXIMATION THEORIES OF GRAVITY
• A cosmologically motivated reference formulation of numerical relativity
• Numerical relativity using a generalized harmonic decomposition
• Relativistic initial conditions for N-body simulations
• fRevolution— relativistic cosmological simulations in f(R) gravity. Part I. Methodology
• Does spatial flatness forbid the turnaround epoch of collapsing structures?
• General relativistic cosmological N-body simulations. Part I. Time integration
• GRAMSES: a new route to general relativistic N-body simulations in cosmology. Part II. Initial conditions
• Dark matter from backreaction? Collapse models on galaxy cluster scales
• Introduction to 3+1 Numerical Relativity
• Constraint damping in the Z4 formulation and harmonic gauge
• Sur les équations relativistes de la gravitation
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