IMPLEMENTATION AND VALIDATION OF A NEW WAVE BREAKING CRITERION IN A NONLINEAR WAVE PROPAGATION MODEL

被引：0
|
作者：
Pinheiro, L., V [1 ]
Rodriguez, V [1 ]
Fortes, C. J. E. M. [1 ]
Santos, J. A. [1 ]
Fernandes, J. L. M. [2 ]
Okamoto, T. [3 ]
Walkley, M. A. [4 ]
机构：
[1] Lab Nacl Engn Civil, Ports & Struct Div, Av Brasil 101, Lisbon, Portugal
[2] Inst Super Tecn, Dept Mech Engn, P-1049001 Lisbon, Portugal
[3] Hiroshima Univ, Hiroshima, Japan
[4] Univ Leeds, Sch Comp, Leeds LS2 9JT, W Yorkshire, England
来源：
COMPUTATIONAL METHODS IN MARINE ENGINEERING IV (MARINE 2011) | 2011年
关键词：
Wave breaking; Nonlinear wave propagation; Boussinesq equation; Finite Element model; FINITE-ELEMENT-METHOD; BOUSSINESQ EQUATIONS; WATER;
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
This paper describes the implementation and validation in the BOUSS-WMH numerical model of a new trigger mechanism for the initiation and termination of wave breaking. The initial approach is based on the vertical acceleration of the free surface elevation while the new approach is based on the Relative Trough Froude Number (RTFN). With either method an additional momentum term is introduced to describe the energy dissipation due to wave breaking using an eddy viscosity model.
引用
收藏
页码：194 / 205
页数：12
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