HIGHLY-RESOLVED NUMERICAL AND LABORATORY ANALYSIS FOR NONBREAKING SOLITARY WAVE SWASH OVER A STEEP SLOPE | Zendy

Pablo Higuera | Zendy; Philip L.F. Liu | Zendy; Lin Cheng | Zendy; Wei-Ying Wong | Zendy; MingJer Kao | Zendy

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HIGHLY-RESOLVED NUMERICAL AND LABORATORY ANALYSIS FOR NONBREAKING SOLITARY WAVE SWASH OVER A STEEP SLOPE

Author(s) -

Pablo Higuera,

Philip L.F. Liu,

Lin Cheng,

Wei-Ying Wong,

MingJer Kao

Publication year - 2018

Publication title -

coastal engineering proceedings

Language(s) - English

Resource type - Journals

eISSN - 2156-1028

pISSN - 0589-087X

DOI - 10.9753/icce.v36.currents.36

Subject(s) - swash , hydraulic jump , geology , mechanics , vortex , jump , geotechnical engineering , flow (mathematics) , shear stress , boundary layer , physics , quantum mechanics

In this paper we study the swash processes generated by a nonbreaking solitary wave running up and down a steep slope (1:3). We use experimental data to study flow features and velocities inside the boundary layer, and numerical modelling to investigate variables not measured during the laboratory experiments, such as pressures and bottom shear stress. We focus on the mechanisms that produce flow separation and vortex formation. Particularly, we study a system of vortices generated under a hydraulic jump during the rundown phase, which was first observed by Matsunaga & Honji (1980).

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