Heterogeneous CPU+ GPU parallelization for high-accuracy scale-resolving simulations of compressible turbulent flows on hybrid supercomputers

A Gorobets, P Bakhvalov - Computer Physics Communications, 2022 - Elsevier
A heterogeneous parallel algorithm for simulation of compressible turbulent flows and its
portable software implementation are presented. The underlying numerical method is based …

A GPU-accelerated sharp interface immersed boundary method for versatile geometries

A Raj, PM Khan, MI Alam, A Prakash, S Roy - Journal of Computational …, 2023 - Elsevier
Abstract We present a Graphical Processing Unit (GPU) accelerated sharp interface
Immersed Boundary (IB) method that can be applied to versatile geometries on a staggered …

Turbulent mixing in a choked shallow lagoon and the impacts of remediation engineering

B Xue, Z Wang, Y Lu, P Wu, M Diao - Applied Ocean Research, 2023 - Elsevier
Turbulent mixing is an important mechanism that controls the transport of materials and
energy in coastal transitional water bodies such as lagoons, thereby affecting their internal …

Hybrid MPI and CUDA paralleled finite volume unstructured CFD simulations on a multi-GPU system

X Zhang, X Guo, Y Weng, X Zhang, Y Lu… - Future Generation …, 2023 - Elsevier
Abstract Porting unstructured Computational Fluid Dynamics (CFD) analysis of compressible
flow to Graphics Processing Units (GPUs) confronts two difficulties. Firstly, non-coalescing …

GPU-accelerated DNS of compressible turbulent flows

Y Kim, D Ghosh, EM Constantinescu, R Balakrishnan - Computers & Fluids, 2023 - Elsevier
This paper explores strategies to transform an existing CPU-based high-performance
computational fluid dynamics solver, HyPar, for compressible flow simulations on emerging …

Effects of geomorphic-induced turbulence on horizontal mixing in the coastal lagoon Xiaohai in China

B Xue, Z Wang, P Wu, Y Lu, M Diao - Regional Studies in Marine Science, 2023 - Elsevier
Geomorphic conditions and the resulting turbulence are significant factors that influence
coastal lagoonal environments. In this study, a shallow-water hydrodynamic transport model …

HPC+ in the medical field: Overview and current examples

M Koch, C Arlandini, G Antonopoulos… - … and Health Care, 2023 - content.iospress.com
BACKGROUND: To say data is revolutionising the medical sector would be a vast
understatement. The amount of medical data available today is unprecedented and has the …

A high-throughput hybrid task and data parallel Poisson solver for large-scale simulations of incompressible turbulent flows on distributed GPUs

H Zolfaghari, D Obrist - Journal of Computational Physics, 2021 - Elsevier
The solution of the pressure Poisson equation arising in the numerical solution of
incompressible Navier–Stokes equations (INSE) is by far the most expensive part of the …

Disturbance region update method with preconditioning for steady compressible and incompressible flows

H Lin, C Jiang, S Hu, Z Gao, CH Lee - Computer Physics Communications, 2023 - Elsevier
The disturbance region update method (DRUM) was an acceleration methodology devoted
to steady compressible flows. In this work, we develop DRUM for steady incompressible …

A multi-GPU method for ADI-based fractional-step integration of incompressible Navier-Stokes equations

S Ha, J Park, D You - Computer Physics Communications, 2021 - Elsevier
A computational method for GPU-accelerated fractional-step integration of incompressible
Navier-Stokes equations based on the Alternating Direction Implicit (ADI) method is …