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Mathematical and numerical modeling of the AquaBuOY wave energy converter

Abstract

We have introduced a mathematical model of the vertical dynamics of the AquaBuOY's IPS buoy and hose-pump power take off system. The numerical results obtained proved to be very accurate as compared to real life data of Finavera's fiftieth and tenth scales of the AquaBuOY. The numerical implementation of the model is extremely fast for the regular wave regime and nearly real time for the irregular wave regime, however the results in the irregular wave regime are far more accurate than for regular waves. The model and method have proved to be robust, efficient and accurate however future work is recommended in the time integration scheme used to solve the ordinary differential equations in the irregular wave regime as it would be useful for optimization over many variables to make the numerical integration faster. (Author)
Publication Date:
Dec 15, 2008
Product Type:
Miscellaneous
Report Number:
NEI-DK-5438
Resource Relation:
Other Information: PSO-2006; 6 figs.
Subject:
16 TIDAL AND WAVE POWER; WAVE ENERGY CONVERTERS; MATHEMATICAL MODELS; NUMERICAL ANALYSIS; BUOYS
OSTI ID:
1000228
Research Organizations:
Ramboell Danmark, Copenhagen (Denmark)
Country of Origin:
Denmark
Language:
English
Other Identifying Numbers:
Other: Contract FORSKEL-6435; TRN: DK1001194
Availability:
Also available at http://www.risoe.dtu.dk/rispubl/NEI/NEI-DK-5438.pdf; OSTI as DE01000228
Submitting Site:
DK
Size:
17 p. pages
Announcement Date:
Dec 21, 2010

Citation Formats

Wacher, A, and Nielsen, K. Mathematical and numerical modeling of the AquaBuOY wave energy converter. Denmark: N. p., 2008. Web.
Wacher, A, & Nielsen, K. Mathematical and numerical modeling of the AquaBuOY wave energy converter. Denmark.
Wacher, A, and Nielsen, K. 2008. "Mathematical and numerical modeling of the AquaBuOY wave energy converter." Denmark.
@misc{etde_1000228,
title = {Mathematical and numerical modeling of the AquaBuOY wave energy converter}
author = {Wacher, A, and Nielsen, K}
abstractNote = {We have introduced a mathematical model of the vertical dynamics of the AquaBuOY's IPS buoy and hose-pump power take off system. The numerical results obtained proved to be very accurate as compared to real life data of Finavera's fiftieth and tenth scales of the AquaBuOY. The numerical implementation of the model is extremely fast for the regular wave regime and nearly real time for the irregular wave regime, however the results in the irregular wave regime are far more accurate than for regular waves. The model and method have proved to be robust, efficient and accurate however future work is recommended in the time integration scheme used to solve the ordinary differential equations in the irregular wave regime as it would be useful for optimization over many variables to make the numerical integration faster. (Author)}
place = {Denmark}
year = {2008}
month = {Dec}
}