Publisher DOI: 10.1016/j.oceaneng.2022.112186
Title: Dimensional optimization of a two-body Wave energy converter using response surface methodology
Language: English
Authors: Rezaei, Saeed 
Rahimi, Amir 
Parvizian, Jamshid 
Mansourzadeh, Shahriar 
Düster, Alexander 
Keywords: Dimensional optimization; Point absorber; Response surface methodology; Wave energy converter
Issue Date: 1-Oct-2022
Source: Ocean Engineering 261: 112186 (2022-10-01)
Abstract (english): 
This paper proposes a dimensional optimization procedure for a laboratory scale two-body point absorber wave energy converter (WEC) using the design of experiment (DoE) methodology. Response surface methodology (RSM) is utilized to estimate a second order polynomial function correlating the average absorbed power, as the objective function, to five geometric parameters. Optimum values of parameters correspond to the peak of the surface fitted to the absorbed powers calculated for different sets of input parameters selected by the Box-Behnken design (BBD). The sensitivity of the objective function with respect to each parameter is investigated. The WEC is assumed to operate under regular waves in a specified range of frequency, 0.5–1 Hz. The amplitude and complex-conjugate controls are applied to keep the power take-off (PTO) system in optimum conditions. ANSYS-AQWA is used to calculate hydrodynamic parameters of the WEC required to solve the equations governing the absorbed power.
ISSN: 0029-8018
Journal: Ocean engineering 
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Document Type: Article
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