Goals

The goal of the project is to create a robust and flexible interface allowing the open-source software library Ginkgo to be used for numerical operations in OpenFOAM, and to enable these simulations to be exascale-capable.

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Accomplishments

windsor body scaling test — Windsor body micro benchmark scaling test **Image: Upstream CFD GmbH, 2023**

The Windsor body micro-benchmark is designed to enable weak scaling analysis, so we can identify bottlenecks in the code and push towards exascale computing. Identifying optimisation potential based on industrially relevant cases will help us develop innovative technology for efficient simulations in real world design processes. The EXASIM team is looking forward to seeing how our hard work will have a positive impact for industry.

Impinging jet simulation — Visualisation of a passive scalar for the Impinging jet micro benchmark case **Image: Davide Gatti, ISTM, 2024**

Mexico rotor ALM simulation — Velocity coloured iso-surface of Q-criterion for the MEXICO rotor micro benchmark **Image: Upstream CFD GmbH, 2024**

An assortment of OpenFOAM cases designed for HPC testing is incorporated in the EXASIM benchmark suite. They are setup to be used with our dedicated framework for large parametric OpenFOAM studies based on signac. You can find the code for the OpenFOAM Benchmark Runner (OBR) on Github.

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