... ABSTRACT Plunging breaking wave involves the transfer of heat, momentum, and mass between the atmosphere and ocean, which plays an important role in the air-water interaction. In this paper, a series of two-dimensional direct numerical simulations of plunging breaking wave are conducted...

...-effective LiDAR Instrument Measuring Surface Waves in a Laboratory Julie Carøe Kristoffersen, Thomas Kabel, Christos Thomas Georgakis, Niranjan Desai Department of Civil and Architectural Engineering, Aarhus University Aarhus, Denmark ABSTRACT Research into the breaking of ocean surface waves...

... ABSTRACT Bow wave breaking is very obvious for ship advancing in open sea, where strong nonlinear phenomenon, such as violent free surface and air-entrainment, can be observed. It is quite challenging to accurate predict the ship bow wave breaking. In the present work, adaptive mesh refinement...

... ABSTRACT This paper presents a comparative numerical study of the energy dissipation process in the breaking of focused waves by using a potential flow model and a coupled potential/viscous flow model. An empirical eddy viscosity term is introduced to the fully-nonlinear potential (FNP) flow...

... ABSTRACT In this paper, two-dimensional numerical simulations of evolution of breaking waves are investigated using the open source code Basilisk, which solved Navier-Stokes equations with a geometry volume of fluid method to capture free surfaces. In the present simulations, dispersive...

... slamming induced whipping and dynamic collapse behavior of hull girder, which is very important to prevent breaking of ships. A series of time domain FE-simulation is carried out using a large-scale FE model of a 8000 TEU container ship where slamming load is applied to the bow bottom. The ship is modeled...

... ABSTRACT The present paper addresses the prediction of wave breaking from measured time-histories of the free surface profile. The Double Fourier velocity potential model of Baldock and Swan (1994) is used to study time-histories obtained in a wave basin that contain large wave events...

... the flow problem. In order to simulate the deforming and breaking effect of wave and flow during the interaction between internal solitary waves and the slope, the Renormalization-Group (RNG) k-ε model is chosen as the turbulence model. The generation, propagation, breaking phases and reflecting energy...

... ABSTRACT In order to study the influences of grid scale on the wave breaking, three different computational grids are adopted in the simulation of the bow wave breaking of KCS at Fr =0.35. RANS approach coupled with high resolution VOF technique is used to resolve the free surface...

... Abstract Understanding the influence of the ship hull design on the ship-ice interaction is essential for its assessment in an early design stage. Within the research project ProEis an investigation is carried out which is based on a holistic consideration of the ice breaking process...

... train is that the down rush flows of the leading wave causes breaking of the following wave during runup. KEY WORDS: runup; solitary wave; double solitary waves; triple solitary waves; beach. INTRODUCTION Runup of tsunami on a beach is an important subject to evaluate inundation risk on coastal regions...

... Abstract Breaking of mooring lines is a topic that must be analyzed during the design process of a floating production system. In current design codes this subject is treated as an accidental case. Nevertheless, transient effects after breaking of a line are not considered as relevant...

...Numerical Simulation of Viscous Flow Under Breaking Waves Over Constant Slope Bed Gerasimos A. Kolokythas and Athanassios A. Dimas Department of Civil Engineering, University of Patras Patras, Achaia, Greece ABSTRACT In the present study, the two-dimensional, incompressible, viscous, free-surface...

... of nearshore dynamics, the propagation and trans- formations of waves in shallow water play a key role. An accurate modelling of associated processes, such as wave-breaking and swash motions, is paramount for the study of coastal flooding due to storm waves or tsunamis, or to improve the prediction of short...

... ABSTRACT: A novel approach combining a two-fluid free surface solver and an efficient hybrid turbulence modelling technique has been presented for the simulation of breaking waves and their interaction with structures. The incompressible Navier-Stokes equations are solved by a cell centred...

... ABSTRACT: Ocean wave breaking is a poorly understood but important air-sea coupling process that plays a critical role in sea state forecasting and the determination of peak loads on many ocean engineering structures. Ocean wave breaking is predominantly a three-dimensional (3D) process...

... A numerical wave model is developed to simulate wave transformation in the surf zone. The governing equation is the parabolic formulation of the mild-slope equation including wave breaking and energy dissipation over porous media. Following Mordane et al. (2004) the present theory is obtained...

... ABSTRACT Wave energy dissipation and energy transfer between wave components during the directional wave breaking are investigated experimentally. Directional breaking waves in deep water were simulated by focusing the multi-frequency and multi-directional wave components at a designed...

... ABSTRACT Experiment were conducted in the ESIM wave tank in Marseilles in order to study the space/time evolution of the flow field under waves breaking on an 1/15 beach slope. Fluid particles velocities were measured at different depths, before, during and after the breaking event using...

... ABSTRACT No current real time animation model of the sea simultaneously holds account of a heterogeneous water plane up to 10 km2 with the local effects of breakings, winds, currents and shallow waters on wave groups, and this on all the wavelength scales, phenomena however essential so...