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ASiMoV-CCS - A New Solver for Scalable and Extensible CFD & Combustion Simulations

Year: 2025
Type: conference-paper
Abstract: Solving industry-relevant CFD and combustion problems is computationally extremely challenging. Collaborations between industry and academia can drive research into new techniques or algorithms that improve the computational performance of solvers, however there is a tension between keeping commercially sensitive intellectual property safe, and benefitting from open developments. We have designed ASiMoV-CCS, a new CFD and combustion solver, from the ground up to enable a full separation of open and proprietary source code by leveraging modern Fortran features, in particular submodules. This paper describes the functionality, design choices and implementation details of the solver, and validates the implementation using two widely studied test cases, the Lid-Driven Cavity and the Taylor-Green Vortex. The performance and scalability are evaluated on the UK's national supercomputer ARCHER2 and demonstrate strong scaling up to 160 nodes (20,480 cores) for medium-sized test cases.
Language: English
Open Access status: hybrid
OpenAlex ID: W4411491066
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Cites: 23
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Related to: 10