Large-Scale direct numerical simulations of turbulence using GPUs and modern Fortran

M Karp, D Massaro, N Jansson, A Hart… - … Journal of High …, 2023 - journals.sagepub.com
We present our approach to making direct numerical simulations of turbulence with
applications in sustainable shipping. We use modern Fortran and the spectral element …

Exploring the Ultimate Regime of Turbulent Rayleigh–Bénard Convection Through Unprecedented Spectral-Element Simulations

N Jansson, M Karp, A Perez, T Mukha, Y Ju… - Proceedings of the …, 2023 - dl.acm.org
We detail our developments in the high-fidelity spectral-element code Neko that are
essential for unprecedented large-scale direct numerical simulations of fully developed …

Direct numerical simulation of the turbulent flow around a Flettner rotor

D Massaro, M Karp, N Jansson, S Markidis… - Scientific Reports, 2024 - nature.com
The three-dimensional turbulent flow around a Flettner rotor, ie an engine-driven rotating
cylinder in an atmospheric boundary layer, is studied via direct numerical simulations (DNS) …

The strong scaling advantage of FPGAs in HPC for n-body simulations

J Menzel, C Plessl, T Kenter - ACM Transactions on Reconfigurable …, 2021 - dl.acm.org
N-body methods are one of the essential algorithmic building blocks of high-performance
and parallel computing. Previous research has shown promising performance for …

Porting incompressible flow matrix assembly to FPGAs for accelerating HPC engineering simulations

N Brown - 2021 IEEE/ACM International Workshop on …, 2021 - ieeexplore.ieee.org
Engineering is an important domain for supercomputing, with the Alya model being a
popular code for undertaking such simulations. With ever increasing demand from users to …

Reducing communication in the conjugate gradient method: a case study on high-order finite elements

M Karp, N Jansson, A Podobas, P Schlatter… - Proceedings of the …, 2022 - dl.acm.org
Currently, a major bottleneck for several scientific computations is communication, both
communication between different processors, so-called horizontal communication, and …

Design of Neko—A Scalable High‐Fidelity Simulation Framework With Extensive Accelerator Support

N Jansson, M Karp, J Wahlgren… - Concurrency and …, 2025 - Wiley Online Library
Recent trends and advancements in including more diverse and heterogeneous hardware
in High‐Performance Computing (HPC) are challenging scientific software developers in …

Domain specific abstractions for the development of fast-by-construction dataflow codes on FPGAs

N Brown - Chips, 2024 - research.ed.ac.uk
FPGAs are popular in many fields but have yet to gain wide acceptance for accelerating
HPC codes. A major cause is that whilst the growth of High-Level Synthesis (HLS), enabling …

A runtime-based dynamic mesh-partitioning approach

G Baldan, R Borell, J Jägersküpper - 8th European Congress on …, 2022 - elib.dlr.de
Large-scale parallel numerical simulations are fundamental for the understanding of a wide
variety of aeronautical problems. Mesh decomposition is applied to make use of parallel …

[图书][B] Design space exploration of concurrency mapping to FPGAs in weather and climate applications with Xilinx SDSoC OpenCL, SDSoC C++ and Vivado

M Alghamdi - 2022 - search.proquest.com
Design Space Exploration of Concurrency Mapping to FPGAs in Weather and Climate
Applications with Xilinx SDSoC OpenCl, SDSoC C++ and Vivado Abstract Recent years …