Multi-GPU thermal lattice Boltzmann simulations using OpenACC and MPI

A Xu, BT Li - International Journal of Heat and Mass Transfer, 2023 - Elsevier
We assess the performance of the hybrid Open Accelerator (OpenACC) and Message
Passing Interface (MPI) approach for multi-graphics processing units (GPUs) accelerated …

Accuracy and performance of the lattice Boltzmann method with 64-bit, 32-bit, and customized 16-bit number formats

M Lehmann, MJ Krause, G Amati, M Sega, J Harting… - Physical Review E, 2022 - APS
Fluid dynamics simulations with the lattice Boltzmann method (LBM) are very memory
intensive. Alongside reduction in memory footprint, significant performance benefits can be …

Esoteric pull and esoteric push: Two simple in-place streaming schemes for the lattice Boltzmann method on GPUs

M Lehmann - Computation, 2022 - mdpi.com
I present two novel thread-safe in-place streaming schemes for the lattice Boltzmann method
(LBM) on graphics processing units (GPUs), termed Esoteric Pull and Esoteric Push, that …

Multi-GPU immersed boundary method hemodynamics simulations

J Ames, DF Puleri, P Balogh, J Gounley… - Journal of computational …, 2020 - Elsevier
Large-scale simulations of blood flow that resolve the 3D deformation of each comprising
cell are increasingly popular owing to algorithmic developments in conjunction with …

Hybrid MPI and CUDA parallelization for CFD applications on multi‐GPU HPC clusters

J Lai, H Yu, Z Tian, H Li - Scientific Programming, 2020 - Wiley Online Library
Graphics processing units (GPUs) have a strong floating‐point capability and a high memory
bandwidth in data parallelism and have been widely used in high‐performance computing …

Impact of washcoat distribution on the catalytic performance of gasoline particulate filters as predicted by lattice Boltzmann simulations

I Belot, D Vidal, R Greiner, M Votsmeier… - Chemical Engineering …, 2021 - Elsevier
The impact of catalyst distribution within the porous wall of a coated gasoline particulate filter
on its catalytic performance is investigated. Sections of catalyzed filter wall with different …

Beyond moments: relativistic lattice Boltzmann methods for radiative transport in computational astrophysics

LR Weih, A Gabbana, D Simeoni… - Monthly Notices of …, 2020 - academic.oup.com
We present a new method for the numerical solution of the radiative-transfer equation (RTE)
in multidimensional scenarios commonly encountered in computational astrophysics. The …

A lattice Boltzmann model for multi-component two-phase gas-liquid flow with realistic fluid properties

H Deng, K Jiao, Y Hou, JW Park, Q Du - … Journal of Heat and Mass Transfer, 2019 - Elsevier
Multi-component multi-phase flows are of significant interests in nature and engineering
problems of different fields. Modeling the phenomena involved in multi-phase flows is …

An MPI-CUDA approach for hypersonic flows with detailed state-to-state air kinetics using a GPU cluster

F Bonelli, M Tuttafesta, G Colonna, L Cutrone… - Computer Physics …, 2017 - Elsevier
This paper describes the most advanced results obtained in the context of fluid dynamic
simulations of high-enthalpy flows using detailed state-to-state air kinetics. Thermochemical …

A GPU-accelerated package for simulation of flow in nanoporous source rocks with many-body dissipative particle dynamics

Y **a, A Blumers, Z Li, L Luo, YH Tang, J Kane… - Computer Physics …, 2020 - Elsevier
Mesoscopic simulations of hydrocarbon flow in source shales are challenging, in part due to
the heterogeneous shale pores with sizes ranging from a few nanometers to a few …