... result in strong asymmetric wave forces. The particle velocity distributions under the freak wave crest were measured with Particle Image Velocimetry (PIV) technique. It shows that the modified Wheeler model is capable to provide satisfactory predictions on the wave kinematics and wave forces of freak...

...A Stream Function Theory Based Calculation of Wave Kinematics for Very Steep Waves Using a Novel Non-linear Stretching Technique Ionut-Emanuel Stroescu1,2, Lasse Sørensen1, Peter Frigaard1, Morten Fejerskov2 Department of Civil Engineering, Aalborg University Structural Design Team, Universal...

... the vessel are firstly studied in the frequency-domain. The numerical model of the coupled lifting system is established and eigenvalue analysis is carried out. The shielding effects from the floating installation vessel during the lifting operation are accounted for by interpolating wave kinematics between...

... propagations. Wave kinematics, including the wave energy distributions, wave speeds and horizontal velocity profiles, have been presented and discussed. Some meaningful conclusions regarding the kinematics of freak waves are drawn based on the present study. energy distribution target wave sequence...

... based on the velocity stagnation head theory ( Ru = ηmax + mu 2/2) is calibrated to calculate the wave run-up. The maximum wave kinematics at wave crest u is calculated using second-order theory. Wave run-up on the weather side of the cylinder is calculated and compared with measurements of wave...

... ABSTRACT This paper deals with the prediction of wave kinematics in the nearshore and coastal zones, where bottom variations strongly affect wave propagation and characteristics. We consider shoaling and breaking wave conditions, through detailed LDV measurements of wave kinematics over...

... incident wave angle short-crested wave system wave profile water depth reservoir characterization wavelength intermediate water order solution upstream oil & gas equation approximation wave kinematic wave frequency boundary condition wave system Wave Kinematics of Short-Crested Waves...

... of laboratory experiments to measure wave kinematics and pressures in front of composite breakwaters in random wave conditions. 1.INTRODUCTION Vertical wall structures are frequently employed for the protection of harbours. Although these systems are widely used, considerable damage, some of which is recent...

... prediction boussinesq approximation nonlinear internal wave experiment equation vertical velocity horizontal velocity standard deviation internal wave velocity component wave kinematic vector map interface layer depth wave shape long wave unequal layer depth horizontal position...

... on breaking wave probability and breaking wave limits and wave kinematics in the context of offshore wave loading. A fuller review of forces and shallow water effects is published in Easson (1996). Banner and Peregrine (1993) provide a more general introduction to deep water breaking waves, covering...

... in the deeper water sections of the channel, following the classic criteria. INTRODUCTION A reliable description of the wave kinematics is very important to know the dynamic action of waves on structures and to predict coastal sediment transport processes. In order to obtain a correct understanding...

... ABSTRACT An efficient methodology is developed to predict slow-drift responses of slack-moored slender offshore structures due to ocean waves. It uses a hybrid wave model for computing the incident wave kinematics and the Morison equation for wave loads. An iterative-incremental Newmark Beta...

... ABSTRACT The Heidrun TLP is analyzed by i simple time domain strip program using both Wheeler stretching and second order wave theory for the wave kinematics. The wave elevation from the model tests at Marintek is used as input to the simulation program. The simulated and measured tether...

... of measuring the three dimensional wave kinematics was placed. The kinematics were measured all the way up to the instantaneous water surface elevation, i.e. including the wave crest. The paper presents time series of measured water surface elevations and orbital velocities at the instantaneous water surface...

...; Gudmestad, 1990; Kim et aI., 1990; Zhang et aI., 1991, 1992, Donelan et aI., 1992). random wave regular wave finite depth randall wave kinematic skewness spectrum coefficient sinh 2kmz order approximation deep water frequency spectrum surface elevation numerical simulation time history...

... ABSTRACT: A third-order random wave model has been developed. Analytic expressions are obtained for the third-order transfer functions for wave elevation and velocity potential. Wave kinematics above the mean water level is obtained by Taylor expansion. Time histories of the random wave...

... and cylinder, and wave elevation over the body surface, on the impact load. relative distance wave kinematic maximum runup cylinder surface elevation particle velocity impact force cylinder wave elevation runup air pocket impact force time series dynamic pressure distribution impact load...

... is subjected to regular and irregular waves with and without current. The effects on calculating the wave kinematics up to the mean water level or up to the actual free surface, making use of" various extrapolation or stretching techniques are then discussed. INTRODUCTION As oil exploration proceeds...

... are larger than those in the second-order model. INTRODUCTION Competitive and economic design of offshore structures depends on the improved prediction of extreme wave kinematics and extreme wave loads in stormy seas. Forristall (1985) developed a technique for prediction of irregular wave kinematICS...

... in nonlinear wave dynamics has been made in the last two decades, there is still no generally acceptable method of proven accuracy for the prediction of irregular wave kinematics. The linear wave theory based on Fast Fourier Transform (FFT) algorithm is found to overpredict the wave kinematics. Consequently...