Conference Proceedings

Extreme waves in sea states crossing an oblique current

A Toffoli, AV Babanin, F Ardhuin, M Benoit, EM Bitner-Gregersen, L Cavaleri, J Monbaliu, M Onorato, AR Osborne, J Fouques, V Moe, C Pakozdi, CT Stansberg

29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2 | ASME | Published : 2010

Abstract

Laboratory experiments have been carried out in the directional wave tank at Marintek (Norway) to study the nonlinear dynamics of surface gravity waves and the occurrence of extreme events, when the wave field traverses obliquely an ambient current. A condition of partial opposition has been considered. Tests on regular waves have shown that the current can trigger the formation of large amplitude waves. In random wave fields, however, this only results in a weak deviation from the statistical properties observed in absence of a current. © 2010 by ASME.