Lightweight lattice Boltzmann-Reference-Cited by-同舟云学术

Lightweight lattice Boltzmann

Published:2023-03-08 Issue:10 Volume:158 Page:
ISSN:0021-9606
Container-title:The Journal of Chemical Physics
language:en
Short-container-title:

Author:

Tiribocchi Adriano¹^ORCID,Montessori Andrea²,Amati Giorgio³^ORCID,Bernaschi Massimo¹,Bonaccorso Fabio⁴^ORCID,Orlandini Sergio³,Succi Sauro¹⁵⁶^ORCID,Lauricella Marco¹^ORCID

Affiliation:

1. Istituto per le Applicazioni del Calcolo CNR 1 , via dei Taurini 19, 00185 Rome, Italy

2. Department of Engineering, Roma Tre University 2 , Via Vito Volterra 62, 00146 Rome, Italy

3. SCAI, SuperComputing Applications and Innovation Department, CINECA 3 , Via dei Tizii, 6, Rome 00185, Italy

4. Department of Physics and INFN, University of Rome Tor Vergata 4 , Via della Ricerca Scientifica 1, 00133 Rome, Italy

5. Center for Life Nano Science@La Sapienza, Istituto Italiano di Tecnologia 5 , 00161 Roma, Italy

6. Department of Physics, Harvard University 6 , Cambridge, Massachusetts 02138, USA

Abstract

A regularized version of the lattice Boltzmann method for efficient simulation of soft materials is introduced. Unlike standard approaches, this method reconstructs the distribution functions from available hydrodynamic variables (density, momentum, and pressure tensor) without storing the full set of discrete populations. This scheme shows significantly lower memory requirements and data access costs. A series of benchmark tests of relevance to soft matter, such as collisions of fluid droplets, is discussed to validate the method. The results can be of particular interest for high-performance simulations of soft matter systems on future exascale computers.

Funder

HORIZON EUROPE European Research Council

Ministero dell'Istruzione, dell'Università e della Ricerca

Publisher

AIP Publishing

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

https://pubs.aip.org/aip/jcp/article-pdf/doi/10.1063/5.0139850/18275726/104101_1_5.0139850.pdf

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