Advanced CFD-Simulationsof free-surface flows around modern sailing yachts using a newly developed OpenFOAM solver

Meyer, Janek, Renzsch, Hannes, Graf, Kai and Slawig, Thomas (2016) Advanced CFD-Simulationsof free-surface flows around modern sailing yachts using a newly developed OpenFOAM solver [Paper] In: The 22nd Chesapeak Sailing Yacht Symposium, March 2016, Annapolis, MD, USA.

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Abstract

While plain vanilla OpenFOAM (OF) has strong capabilitieswith regards to quite a few typical CFD-tasks, some prob-lems actually require additional solvers and numerical meth-ods for efficient computation of high-quality results. Oneof the fields requiring these additions is the computation oflarge-scale free-surface flows as found e.g. in naval archi-tecture. This holds especially for the flow around typicalmodern yacht hulls, often planing, sometimes with surface-piercing appendages. Particular challenges include, but arenot limited to, breaking waves, sharpness of interface, nu-merical ventilation (aka streaking) and a wide range of flowphenomenon scales. A new OF-based application includingnewly implemented discretisation schemes, gradient com-putation and rigid body motion computation is described.The new code is validated against published experimentaldata; the effect on accuracy, computational time and solverstability is shown by comparison to standard OF-solvers (in-terFoam / interDyMFoam) and Star-CCM+. The code’s ca-pabilities to simulate complex ”real-world” flows are shownon a well-known racing yacht design

Document Type: Conference or Workshop Item (Paper)
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Projects: Future Ocean
Date Deposited: 27 Aug 2019 09:13
Last Modified: 27 Aug 2019 09:13
URI: http://eprints.uni-kiel.de/id/eprint/47576

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