Numerical simulation of deterministic freak wave sequences and wave-structure interaction

Freak wave, with nonlinear characteristic, has posed great challenge in the design of ships and offshore structures. This challenge necessitates a better understanding of freak waves. In this study, a freak wave is numerically regenerated and studied using computational fluid dynamics. A numerical wave tank is developed based on the commercial finite volume package FLUENT. Based on a linear wave superposition theory, a deterministic freak wave sequence is modelled at specified site and time. Through the comparison with field data, the developed model shows good capability in generating freak waves. Furthermore, the interaction of a freak wave with a fixed cylinder has been studied, which will lead to more practical applications for the design of offshore structures.

[1]  Thomas A. A. Adcock,et al.  Did the Draupner wave occur in a crossing sea? , 2011, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[2]  D. Kriebel,et al.  Nonlinear wave interaction with a vertical circular cylinder : Wave forces , 1998 .

[3]  S. Nallayarasu,et al.  Experimental investigation of the wave slam and slap coefficients for array of non-circular section of offshore platforms , 2013 .

[4]  Ira Didenkulova,et al.  Catalogue of rogue waves reported in media in 2006–2010 , 2012, Natural Hazards.

[5]  Sverre Haver,et al.  A possible freak wave event measured at the draupner jacket January 1 1995 , 2004 .

[6]  Tom E. Baldock,et al.  A laboratory study of nonlinear surface waves on water , 1996, Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences.

[7]  Christopher Williams,et al.  Focused waves and wave-structure interaction in a numerical wave tank , 2012 .

[8]  Xin Li,et al.  A numerical study on local characteristics of predetermined irregular wave trains , 2011 .

[9]  Armin W. Troesch,et al.  Generating extreme ship responses using non-uniform phase distributions , 2009 .

[10]  C. W. Hirt,et al.  Volume of fluid (VOF) method for the dynamics of free boundaries , 1981 .

[11]  Mark Cassidy,et al.  Analysis of jack-up units using a Constrained NewWave methodology , 2001 .

[12]  Clive A. Greated,et al.  Wave Forces on Partially Submerged Cylinders , 1979 .

[13]  Hemming A. Schäffer,et al.  SECOND-ORDER WAVEMAKER THEORY FOR IRREGULAR WAVES , 1996 .

[14]  John R. Chaplin.  On Frequency-Focusing Unidirectional Waves , 1996 .

[15]  Pandeli Temarel,et al.  Global wave-induced loads in abnormal waves: comparison between experimental results and classification society rules , 2014 .

[16]  Pandeli Temarel,et al.  The influence of forward speed on ship motions in abnormal waves: Experimental measurements and numerical predictions , 2013 .

[17]  R. G. Dean,et al.  Forced small-amplitude water waves: a comparison of theory and experiment , 1960, Journal of Fluid Mechanics.

[18]  Jing Bo Li,et al.  Numerical study on the effects of uneven bottom topography on freak waves , 2012 .

[19]  Günther Clauss,et al.  Optimization of Transient Design Waves In Random Sea , 2000 .

[20]  Paul M. Hagemeijer,et al.  A New Model For The Kinematics Of Large Ocean Waves-Application As a Design Wave , 1991 .

[21]  Manuel A. Andrade,et al.  Physical mechanisms of the Rogue Wave phenomenon , 2022 .

[22]  F. Biesel,et al.  LES APPAREILS GÉNÉRATEURS DE HOULE EN LABORATOIRE , 1951 .

[23]  H. Bredmose,et al.  Forcing of a bottom-mounted circular cylinder by steep regular water waves at finite depth , 2014, Journal of Fluid Mechanics.