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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.

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

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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