PICSSAR

Development of a new generation of highly scalable and accurate 3D Particle-In-Cell codes

 Coordinatore COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES 

 Organization address address: RUE LEBLANC 25
city: PARIS 15
postcode: 75015

contact info
Titolo: Mr.
Nome: Jean-Christophe
Cognome: Coste
Email: send email
Telefono: +33 169089097
Fax: +33 169082199

 Nazionalità Coordinatore France [FR]
 Totale costo 268˙329 €
 EC contributo 268˙329 €
 Programma FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call FP7-PEOPLE-2013-IOF
 Funding Scheme MC-IOF
 Anno di inizio 2014
 Periodo (anno-mese-giorno) 2014-09-15   -   2017-09-14

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

 Organization address address: RUE LEBLANC 25
city: PARIS 15
postcode: 75015

contact info
Titolo: Mr.
Nome: Jean-Christophe
Cognome: Coste
Email: send email
Telefono: +33 169089097
Fax: +33 169082199

FR (PARIS 15) coordinator 268˙329.30

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

dramatically    realistic    experiments    standard    solvers    cores    code    interaction    pic    codes    modeling    simulations    relativistic    pseudo    spectral    particle    regimes    host    pw    plasma    impact    laser    instabilities    solve    maxwell    time   

 Obiettivo del progetto (Objective)

'The success of PetaWatt (PW) laser facilities presently under construction, which aim at producing promising particle and light sources from relativistic laser-plasma interactions, will rely on the strong coupling between experiments and large-scale simulations with Particle-In-Cell (PIC) codes. Standard PIC codes currently in use fail to accurately describe these new interaction regimes because the finite difference Maxwell’s solver used to compute electromagnetic fields generates strong instabilities when particles move at relativistic velocities. At present, the mitigation of these instabilities requires the use of very high resolution, which dramatically increases the computation time, and prevents realistic 3D modeling. Our project aims at building a new generation of highly accurate PIC codes, which will enable realistic 3D simulations of these yet unexplored interaction regimes. It will use highly precise pseudo-spectral methods to solve Maxwell’s equations. Despite their accuracy, such methods have however hardly been used so far, due to their low scalability to 10,000s of cores only, which is not enough to take advantage of supercomputer architectures required for 3D modeling. To break this barrier, the main challenge to tackle is the implementation of a new and pioneering grid decomposition technique proposed by the outgoing host. This will enable for the first time a massively parallel implementation of pseudo-spectral solvers on up to a million of cores. The new PIC code will then be used to model future experiments with the PW laser of the return host and compared to standard codes. The outcome of this project will be a 3D PIC code which dramatically reduces the time-to-solution needed to solve a given problem, and hence have a huge impact on the field of ultrahigh intensity laser-plasma interaction, which is extremely active in Europe. Our general approach may also impact many other fields of computational physics where spectral solvers are used.'

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