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变水深对畸形波及其时频能量谱的影响

, PP. 173-179

Keywords: 畸形波,小波分析,变水深,时频能量谱

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Abstract:

使用VOF(volumeoffluid)方法实现了变化水深条件下畸形波的数值模拟,使用小波分析方法计算模拟结果的时频能量谱,发现变化水深可以加强波浪的非线性相互作用,使转化到高频端的能量更多,产生了不对称程度更大的畸形波。

References

[1]  LAWTON G. Monsters of the deep (the perfect wave)[J].New Scientist, 2001, 170 (2297): 28-32.
[2]  KLINTING P, SAND S E. Analysis of prototype freak waves //Conf. of Coastal Hydrodynamics. New York,1987: 618-632.
[3]  KRIEBEL D L.Efficient simulation of extreme waves in a random sea //Abstract for Rogue Waves 2000 Workshops.Brest.2000:1-2.
[4]  DYACHENKO A I, ZAKHAROV V E. Modulation instability of Stokes wave → freak wave[J]. JETP Letters, 2005, 81(6): 255-259.
[5]  ZAKHAROV V E, DYACHENKO A I, PROKOFIEVB A B. Freak waves as nonlinear stage of Stokes wave modulation instability[J]. European Journal of Mechanics: B. Fluids, 2006, 25(5): 677-692.
[6]  GRILLI S T, GUYENNE P. DIAS F.A fully non-linear model for three-dimensional overturning waves over an arbitrary bottom[J].International Journal for Numerical Methods in Fluids, 2001, 35(7): 829-867.
[7]  CHIEN H, KAO C C, CHUANG L Z H. On the characteristics of observed coastal freak waves[J]. Coastal Engineering Journal, 2002, 44(4): 301-319.
[8]  HIRT C W, NICHOLS B D. Volume of fluid (VOF) method for the dynamics of free boundaries [J]. Journal of Computational Physics, 1981, 39(1): 201-225.
[9]  WANG Y X. Numerical wave channel with absorbing wave-maker [J].China Ocean Engineering, 1995, 9(2): 79-88.
[10]  TSAI C H, SU M Y, HUANG S J. Observations and conditions for occurrence of dangerous coastal waves[J]. Ocean Engineering, 2004, 31(5-6): 745-760.
[11]  BUNNIK T, VELDMAN A, WELLENS P. Prediction of extreme wave loads in focused wave groups // Proceedings of the 18th (2008) International Offshore and Polar Engineering Conference. Vancouver, BC, Canada,2008: 32-38.
[12]  KIM C H, RANDALL R E, KRAFFT M J.Experimental Study of kinematics of large transient wave in 2-D wave tank .OTC6364,1990: 195-202.
[13]  MORI N, YASUDA T. Effects of high-order nonlinear wave-wave interactions on gravity waves[J].Ocean Engineering, 2002, 29 (10): 1233-1245.
[14]  ZHAO X Z, HU C H, SUN Z C. Numerical simulation of extreme wave generation using VOF method[J]. Journal of Hydrodynamics, 2010, 22 (4): 466-477.
[15]  REN B, WANG Y X. Numerical simulation of random wave slamming on structures in the splash zone[J]. Ocean Engineering, 2004, 31(5-6): 547-560.
[16]  TORRENCE C, COMPO G P. A practical guide to wavelet analysis [J]. Bulletin of the American Meteorological Society, 1998, 79 (1): 61-78.

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