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ACFD SIGNED

Acoustical and Canonical Fluid Dynamics in numerical general relativity

Total Cost €

0

EC-Contrib. €

0

Partnership

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 ACFD project word cloud

Explore the words cloud of the ACFD project. It provides you a very rough idea of what is the project "ACFD" about.

stating    partial    stars    formulating    computationally    irrotational    pipelines    dynamics    equations    academia    calibrated    hydrodynamic    evolve    bodies    gravitational    era    additional    posedness    detector    initially    semi    31    hole    holes    mathematical    estimation    break    vacuum    motion    ligo    centuries    wave    scales    geodesic    operates    hamiltonian    astronomy    kelvin    physical    numerical    combining    suitable    fluid    theorem    neutron    fundamental    conformally    binary    coherent    theory    scheme    acoustic    carter    black    mathematically    interface    corollary    anticipated    waveforms    laws    schemes    relativity    marked    christodoulou    boundary    differential    advent    beginning    simulations    lichnerowicz    nature    einstein    solution    manifests    exploring    motions    hamilton    analytical    search    circulation    inspiral    mergers    variational    implementing    reveal    virgo    metric    computational    observations    canonical    observation    euler    barotropic    merger    gravitating    difficult    flows    breaks    posed    industry    improvements    star    momentum    itself   

Project "ACFD" data sheet

The following table provides information about the project.

Coordinator
THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE 

Organization address
address: TRINITY LANE THE OLD SCHOOLS
city: CAMBRIDGE
postcode: CB2 1TN
website: www.cam.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website https://einsteintoolkit.org/
 Total cost 198˙481 €
 EC max contribution 198˙481 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-GF
 Starting year 2017
 Duration (year-month-day) from 2017-08-15   to  2020-01-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE UK (CAMBRIDGE) coordinator 198˙481.00
2    THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS US (CHAMPAIGN) partner 0.00

Map

 Project objective

The motion of strongly gravitating fluid bodies is described by the Euler-Einstein system of partial differential equations, combining fluid dynamics with general relativity. Centuries after their advent, the solution to these equations remains mathematically and computationally difficult, and the break-down of well-posedness on the boundary interface between fluid and vacuum remains a challenging open problem. The problem manifests itself in numerical simulations of binary neutron-star inspiral. The program will focus on formulating and implementing novel, well-posed Hamiltonian hydrodynamic schemes, suitable for inspiral simulations and gravitational-wave detector applications, with promising mathematical and computational applications in academia and industry. The scheme will use a variational principle by Carter-Lichnerowicz stating that barotropic fluid motions are conformally geodesic, a corollary of Kelvin's circulation theorem stating that initially irrotational flows remain irrotational, and Christodoulou's acoustic metric approach adopted to 31 numerical general relativity, in order to evolve the canonical momentum of a fluid element via Hamilton's equations. The recent observation of the inspiral and merger of binary black holes by the LIGO-Virgo collaboration, which marked the beginning of the era of gravitational wave astronomy, makes this work very timely: additional observations from binary neutron star or black hole–neutron star binary mergers are anticipated over the next years. The proposed research represents a coherent program aimed at mathematically and computationally exploring the theory of neutron stars, in order to improve our understanding of fundamental physical laws and reveal how nature operates on scales where our current understanding breaks down. Improvements in calibrated semi-analytical neutron-star gravitational waveforms can be directly deployed in the LIGO-Virgo search and parameter estimation pipelines.

 Publications

year authors and title journal last update
List of publications.
2020 Lukes-Gerakopoulos, Georgios; Acquaviva, Giovanni; Markakis, Charalampos
Probing Dark Energy through Perfect Fluid Thermodynamics
published pages: , ISSN: , DOI:
1 2020-01-29
2020 Markakis, Charalampos M.; O\'Boyle, Michael F.; Glennon, Derek; Tran, Khoa; Brubeck, Pablo; Haas, Roland; Schive, Hsi-Yu; Uryū, Kōji
Time-symmetry, symplecticity and stability of Euler-Maclaurin and Lanczos-Dyche integration
published pages: , ISSN: , DOI:
IMA Journal of Numerical Analysis (IMANUM), submitted 2020-01-29
2019 Tim Dietrich, Sebastian Khan, Reetika Dudi, Shasvath J. Kapadia, Prayush Kumar, Alessandro Nagar, Frank Ohme, Francesco Pannarale, Anuradha Samajdar, Sebastiano Bernuzzi, Gregorio Carullo, Walter Del Pozzo, Maria Haney, Charalampos Markakis, Michael Pürrer, Gunnar Riemenschneider, Yoshinta Eka Setyawati, Ka Wa Tsang, Chris Van Den Broeck
Matter imprints in waveform models for neutron star binaries: Tidal and self-spin effects
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.024029
Physical Review D 99/2 2020-01-29

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