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Simulations of floating wave energy devices using adaptive mesh refinement
RISE - Research Institutes of Sweden, Safety and Transport, Safety. Aalborg University, Denmark.ORCID iD: 0000-0001-6934-634x
Chalmers University of Technology, Sweden.
2019 (English)In: Advances in Renewable Energies Offshore / [ed] C. Guedes Soares, 2019, p. 431-438Conference paper, Published paper (Refereed)
Abstract [en]

CFD simulations of floating wave energy converters are computationally very heavy. This paper deals with a straightforward attempt to cut down on the computational effort by using adaptive mesh refinement (AMR). We investigate the use of AMR for simulations involving floating bodies inside the open-source finite volume framework OpenFOAM. A simple error indicator based on the pressure jump over cell faces is used to drive the AMR. First the use of the error indicator is illustrated for propagation of a very steep stream function wave. Then the AMR technique is applied to two cases of floating bodies: (i) a floating box and (ii) a bottom reacting point-absorber. As expected the AMR significantly reduce the number of cells in the computational meshes and subsequently lower theĀ  computational effort.

Place, publisher, year, edition, pages
2019. p. 431-438
National Category
Marine Engineering
Identifiers
URN: urn:nbn:se:ri:diva-35958Scopus ID: 2-s2.0-85067208945ISBN: 978-1-138-58535-5 (print)OAI: oai:DiVA.org:ri-35958DiVA, id: diva2:1261139
Conference
3rd International Conference on Renewable Energies Offshore. 8-10 October, 2018.
Funder
Swedish Energy Agency, P40428-1Available from: 2018-11-06 Created: 2018-11-06 Last updated: 2019-07-31Bibliographically approved

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CiteExportLink to record
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