580 citations
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8 papers · 1 filter
Quantum Monte Carlo determination of the principal Hugoniot of deuterium
Michele Ruggeri, Markus Holzmann, David M. Ceperley +1
We present Coupled Electron-Ion Monte Carlo results for the principal Hugoniot of deuterium together with an accurate study of the initial reference state of shock wave experiments…
Performance portability of lattice Boltzmann methods for two-phase flows with phase change
Werner Verdier, Pierre Kestener, Alain Cartalade
Numerical codes using the Lattice Boltzmann Methods (LBM) for simulating one- or two-phase flows are widely compiled and run on graphical process units. However, those computationa…
Single Domain Multiple Decompositions for Particle-in-Cell simulations
Julien Derouillat, Arnaud Beck
As a multi-purpose Particle-In-Cell (PIC) code, Smilei gathers many different features in a single software. Combining some of them is challenging. In particular, spectral solvers…
A high performance and portable all-Mach regime flow solver code with well-balanced gravity. Application to compressible convection
T. Padioleau, P. Tremblin, E. Audit +2
Convection is an important physical process in astrophysics well-studied using numerical simulations under the Boussinesq and/or anelastic approximations. However these approaches…
A generalized massively parallel ultra-high order FFT-based Maxwell solver
Haithem Kallala, Jean-Luc Vay, Henri Vincenti
Dispersion-free ultra-high order FFT-based Maxwell solvers have recently proven to be paramount to a large range of applications, including the high-fidelity modeling of high-inten…
Adaptive SIMD optimizations in particle-in-cell codes with fine-grain particle sorting
Arnaud Beck, Julien Dérouillat, Mathieu Lobet +6
Particle-In-Cell (PIC) codes are broadly applied to the kinetic simulation of plasmas, from laser-matter interaction to astrophysics. Their heavy simulation cost can be mitigated b…