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海洋科学  2007 

一个二维数值波浪水槽的改进

, PP. 46-53

Keywords: 数值波浪水槽,边界元方法,波群,完全非线性水波

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Abstract:

对Drimer,Agnon及Segre研发的数值波浪水槽(简称DAS),首先通过修正DAS中某些积分计算的错误,建立了第一个修正模型(MDAS1),使得模型更加准确稳定。其次,将DAS模型自由表面线性元近似替换为更为合理准确的三阶元近似,建立了第二个修正模型(MDAS2),使得模型计算的波面更合理可靠。平底水槽中波群的生成及传播算例表明:与DAS结果相比,MDAS1对波面没有显著影响,而采用三阶元的MDAS2对波面有显著影响。与Hansen和Svendsen的实测资料相比较证实了两个修正模型的有效

References

[1]  Longnet-Higgins M S,Cokelet E D.The deformation of steep surface waves on water -Ⅰ.A numerical method of computation[J].Proceeding of Royal Society of London,1976,A350:1-26.
[2]  Grilli S T,Skourup J,Svendsen I A.An efficient boundary element method for nonlinear water waves[J].Engineering Analysis with Boundary Elements,1989,6:97-107.
[3]  Drimer N,Agnon Y.An improved low-order boundary element method for breaking surface waves[J].Wave Motion,2006,43:241-258.
[4]  Jansen P C M.A boundary element model for non-linear free surface phenomena[R].Netherlands:Delft University of Technology,1986.
[5]  New A L,McIver P,Peregrine D H.Computations of overturning waves[J].Journal of Fluid Mechanics,1985,150:233-251.
[6]  Hansen J B,Svendsen I A.Regular waves in shoaling water experimental data[R].Denmark:Institute of Hydrodynamics and Hydraulic Engineering Technology,University of Denmark,1979.
[7]  Song J B,Banner M L.On determining the onset and strength of breaking for deep water waves.Part I:Unforced irrotational waves groups[J].Journal of Physical Oceanography,2002,32:2541-2558.
[8]  Song J B,Banner M L.Influence of mean water depth and a subsurface sandbar on the onset and strength of wave breaking[J].Journal of Physical Oceanography,2004,32:950-960.
[9]  Banner M L,Song J B.On determining the onset and strength of breaking deep water waves.Part Ⅱ:Influence of wind forcing and surface shear[J].Journal of Physical Oceanography,2002,32:2559-2570.

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