TY - GEN
T1 - Power extraction from floating elastic plates
AU - Michele, S.
AU - Buriani, F.
AU - Renzi, E.
N1 - Funding Information: ID number: 1956; conference track: WHM. The authors acknowledge the support of Loughborough University through an Enterprise Projects Group (EPG) grant to undertake the experiments. S. Michele is with the School of Engineering, Computing and Mathematics, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK (e‐mail: [email protected]).
PY - 2021/9/5
Y1 - 2021/9/5
N2 - We present a novel mathematical model to investigate the extraction of wave power by flexible elastic floaters. The model is based on the method of dry modes, coupled with a matched eigenfunction expansion. Our model results compare satisfactorily with preliminary data obtained from a demonstrator device, developed at the University of Groningen. We show that the role of elasticity is to increase the number of resonant frequencies with respect to a rigid body, which has a positive effect on wave power output. The mathematical model is then extended to irregular incident waves, described by a JONSWAP spectrum. Our results show that the peak capture factors decrease in irregular waves, as compared to the monochromatic case. However, the system becomes more efficient at non-resonant frequencies. This work highlights the need to scale-up experimental investigations on flexible wave energy converters, which are still a small minority, compared to those on rigid converters.
AB - We present a novel mathematical model to investigate the extraction of wave power by flexible elastic floaters. The model is based on the method of dry modes, coupled with a matched eigenfunction expansion. Our model results compare satisfactorily with preliminary data obtained from a demonstrator device, developed at the University of Groningen. We show that the role of elasticity is to increase the number of resonant frequencies with respect to a rigid body, which has a positive effect on wave power output. The mathematical model is then extended to irregular incident waves, described by a JONSWAP spectrum. Our results show that the peak capture factors decrease in irregular waves, as compared to the monochromatic case. However, the system becomes more efficient at non-resonant frequencies. This work highlights the need to scale-up experimental investigations on flexible wave energy converters, which are still a small minority, compared to those on rigid converters.
KW - Floating elastic plate
KW - Fluid-structure interaction
KW - Wave energy
UR - http://www.scopus.com/inward/record.url?scp=85120075269&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:85120075269
T3 - Proceedings of the European Wave and Tidal Energy Conference
SP - 1956-1-1956-9
BT - 14th European Wave and Tidal Energy Conference
PB - EWTEC
T2 - 14th European Wave and Tidal Energy Conference, EWTEC 2021
Y2 - 5 September 2021 through 9 September 2021
ER -
