Wave–structure interaction of wave energy converters: A sensitivity analysis

Christian Windt, Josh Davidson, Pal Schmitt, John Ringwood

Research output: Contribution to journalArticle

Abstract

Measurement uncertainties are inevitable during physical wave tank tests. Therefore, when validating a numerical wave tank against experiments, knowledge of the uncertainties in the physical experiments, and the sensitivity of the body dynamics to such uncertainties, is crucial. Specifically, the inertial properties, as well as the location of the centre of mass, which are challenging to measure accurately, can have a significant influence on the system dynamics. Based on the test cases of the CCP-WSI Blind Test Series 2, this paper presents a sensitivity analysis of the agreement between experimental and numerical data sets to the quality of the incident, focused wave, as well as the inertial properties and the location of the centre of mass. A significant influence on the modelled system dynamics can be observed when changing the system parameters, resulting in a variation of the observed error of up to 80 percentage points for pitch motion.
Original languageEnglish
JournalICE Proceedings - Engineering and Computational Mechanics
Early online date19 Aug 2020
DOIs
Publication statusEarly online date - 19 Aug 2020

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