A comparative study on BEM solvers for Wave Energy Converters

V. Raghavan*, G. Lavidas, A. Metrikine, Nikolaos Mantadakis, Eva Loukogeorgaki

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)
309 Downloads (Pure)

Abstract

Wave Energy Converters (WECs) are expected to significantly contribute to the energy transition; however, this depends on their interactions with the resource. Calculating the power generated by WECs depends heavily on the accurate modelling of wave-structure interactions. The Boundary Element Method (BEM) based on the potential flow theory has yielded accurate results at low computational costs when compared to complex Computational Fluid Dynamics (CFD) methods. Hydrodynamic Analysis of Marine Structures (HAMS), a recently developed open-source BEM frequency domain solver, originally was created for large marine structures. To date it has only been applied to single WECs with spherical/cylindrical geometries. HAMS offers unique advantages through its efficient removal of irregular frequencies and lower computational costs. This paper aims to compare hydrodynamic coefficients, exciting forces, Response Amplitude Operators (RAOs) and computational costs between HAMS,WAMIT, and NEMOH for a cylindrical point absorber and an oscillating surge WEC, extending the currently limited WECs application in HAMS.
Original languageEnglish
Title of host publicationTrends in Renewable Energies Offshore
EditorsCarlos Guedes Soares
PublisherCRC Press
Pages441-447
Number of pages7
ISBN (Electronic)978-1-032-42003-5
ISBN (Print)9781032420035
DOIs
Publication statusPublished - 2022

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