Abstract
The performance of three fundamentally different AMG solvers for systems of linear equations in CFD simulations using SIMPLE and PISO algorithm is examined. The presented data is discussed with respect to computational aspects of the parallelisation. It indicates that for the compressible subsonic flows considered here basic AMG methods not requiring Krylov acceleration are faster than approaches with more expensive setup as well as recently presented k-cycle methods, but also that these methods will need special treatment for parallel application.
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Emans, M. (2010). AMG for Linear Systems in Engine Flow Simulations. In: Wyrzykowski, R., Dongarra, J., Karczewski, K., Wasniewski, J. (eds) Parallel Processing and Applied Mathematics. PPAM 2009. Lecture Notes in Computer Science, vol 6068. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14403-5_37
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DOI: https://doi.org/10.1007/978-3-642-14403-5_37
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