NUMERICAL MODEL OF FULLY-NONLINEAR WAVE REFRACTION AND DIFFRACTION

Proceedings of the International Conference on Coastal Engineering

Masahiko Isobe¹  Samir Abohadima¹ 

[1] Department of Civil Engineering, University of Tokyo

关键词: numerical model;    nonlinear wave;    refraction;    diffraction;    wave model;   

DOI  :  10.9753/icce.v26.%p

学科分类：建筑学

来源: Coastal Engineering Research Council

【 摘 要 】

Nonlinear mild-slope equations are a set of equations which were derived to analyze fully-nonlinear and fully-dispersive wave transformation. In the present study, it is shown that refraction-diffraction equations including the mild-slope equation, nonlinear shallow water equations and Boussinesq equations are derived as special cases of the nonlinear mild-slope equations. Then, a numerical model is developed for fully-nonlinear wave refraction and diffraction on the basis of the nonlinear mild-slope equations. The model is verified through comparison of numerical results with theoretical and experimental results. Finally, effect of nonlinearity on wave diffraction through a breakwater gap is discussed.

【 授权许可】

Unknown