Anomalous wave statistics following sudden depth transitions: application of an alternative Boussinesq-type formulation

Anomalous wave statistics following sudden depth transitions: application of an alternative Boussinesq-type formulation
复制标题

突然深度转变后的异常波统计:替代 Boussinesq 型公式的应用

DOI:
10.1007/s40722-021-00192-0
复制
发表时间:
2021
影响因子:
1.9
通讯作者:
Bonar P
Bonar P
中科院分区:
--
文献类型:
--
作者:
Bonar P

文献摘要

参考文献

相似文献

最近对在倾斜海床上传播的水波的研究表明,从较深到较浅的突然转变可以显著增加自由表面高程的偏度和峰度,从而增加异常波发生的可能性。格兰斯塔德等人(物理学)。流体25(12):122103,2013)表明,这些增加背后的关键物理可以通过弱色散和弱非线性boussinesq型模型捕获。在本文中,一个基于替代的boussinesq型公式的数值模型被用来重复这些早期的模拟。虽然取得了定性的一致,但发现目前的模型无法准确地再现早期研究的结果。然后使用模型参数试验来证明,目前的boussinesq型公式不太适合模拟波浪在突然深度转换上的传播。尽管如此,目前的研究为建模这类问题时遇到的复杂性提供了有用的见解,并概述了一些有前途的进一步研究途径。
Recent studies of water waves propagating over sloping seabeds have shown that sudden transitions from deeper to shallower depths can produce significant increases in the skewness and kurtosis of the free surface elevation and hence in the probability of rogue wave occurrence. Gramstad et al. (Phys. Fluids 25 (12): 122103, 2013) have shown that the key physics underlying these increases can be captured by a weakly dispersive and weakly nonlinear Boussinesq-type model. In the present paper, a numerical model based on an alternative Boussinesq-type formulation is used to repeat these earlier simulations. Although qualitative agreement is achieved, the present model is found to be unable to reproduce accurately the findings of the earlier study. Model parameter tests are then used to demonstrate that the present Boussinesq-type formulation is not well-suited to modelling the propagation of waves over sudden depth transitions. The present study nonetheless provides useful insight into the complexity encountered when modelling this type of problem and outlines a number of promising avenues for further research.
DOI: 10.1002/2016jc011649
发表时间: 2016-08-01
影响因子: 3.6
作者:
Cavaleri, Luigi;Barbariol, Francesco;Wedi, Nils
通讯作者: Wedi, Nils
DOI: --
发表时间: 2005
期刊: arXiv: Chaotic Dynamics
影响因子: --
作者:
M. Onorato;A. Osborne;M. Serio
通讯作者: M. Serio
具有不同斜率的不均匀深度的异常波
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
Shirin Fallahi
通讯作者: Shirin Fallahi
随机海洋的数值模拟:常见错误及其对波群统计的影响
DOI: --
发表时间: 1984
期刊:
影响因子: --
作者:
M. Tucker;P. Challenor;D. Carter
通讯作者: D. Carter
从深水区到浅水区的异常波发生的估计
DOI: --
发表时间: 2014
期刊:
影响因子: --
作者:
H. Kashima;K. Hirayama;N. Mori
通讯作者: N. Mori