Journal of hydraulic research, Vol. 49 N° 4. Journal of hydraulic research - Juillet/Août 2011
| Titre : | Journal of hydraulic research, Vol. 49 N° 4. Journal of hydraulic research - Juillet/Août 2011 |
| Type de document : | Bulletin |
| Paru le : | 04/10/2011 |
Dépouillements
Article : texte imprimé
Pradeep C. Fernando, Auteur ;
Junke Guo, Auteur ;
Pengzhi Lin, Auteur
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This research presents an experimental study in a spatial wave basin for nonlinear interaction of regular waves with a perpendicular shear current over a movable bed. Detailed measurements were collected for current velocity profiles under diffe[...]
Article : texte imprimé
Pradeep C. Fernando, Auteur ;
Pengzhi Lin, Auteur ;
Junke Guo, Auteur
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A theoretical model is presented to describe the current velocity within and outside a wave–current boundary layer and to quantify the associated bed shear stresses for wave–current interaction at an arbitrary angle. The model assumes that the w[...]
Article : texte imprimé
Alison C. Hunt-Raby, Auteur ;
Borthwick, Alistair G. L., Auteur ;
K. Peter, Auteur
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Prediction of individual wave overtopping events is important in assessing danger to life and property, but data are sparse and hydrodynamic understanding is lacking. Laboratory-scale waves of three distinct types were generated at the Coastal R[...]
Article : texte imprimé
Alberte Castro, Auteur ;
Francisco Taveira Pinto, Auteur ;
Gregorio Iglesias, Auteur
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The reflection process at submerged breakwaters is investigated by means of an artificial neural network (ANN) model. This model estimates the reflection coefficient based on three dimensionless products which are functions of the wave parameter[...]
Article : texte imprimé
Mara Tonelli, Auteur ;
Marco Petti, Auteur
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A Boussinesq-type model is applied herein to study wave propagation and wave breaking over complex bathymetries reproducing common coastal features, namely plane and barred beaches, submerged bars and rip channels. A hybrid finite volume–finite [...]
Article : texte imprimé
Peter Bacopoulos, Auteur ;
Michael Parrish, Auteur ;
Scott C. Hagen, Auteur
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Localized truncation error analysis with complex derivatives was applied to compute target element sizes for tidal flow in the South Atlantic Bight (SAB) and its estuaries. An existing finite element mesh was used to generate a tidal solution th[...]
Article : texte imprimé
José Francisco Sanchez-Gonzalez, Auteur ;
Virginia Sanchez-Rojas, Auteur ;
Constantine Demetrius Memos, Auteur
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An experimental study carried out in a flume to a scale of 1/20 is presented to assess the wave height attenuation induced by submerged meadows of Posidonia oceanica. After examination of the appropriate scaling laws and selection of the model m[...]
Article : texte imprimé
Maurice McCabe, Auteur ;
Peter K. Stansby, Auteur ;
David D. Apsley, Auteur
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Wave runup statistics on beaches, dunes and coastal structures are needed for coastal management and engineering designs. Spectral wave energy–action models are widely used to predict wave propagation in deep and shallow water, incorporating the[...]
Article : texte imprimé
Paolo Ciavola, Auteur ;
Diego Vicinanza, Auteur ;
Francesco Aristodemo, Auteur
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This research describes a unique set of experiments undertaken at the Large Wave Channel (Hannover) aimed to study the morphodynamic behaviour of a beach face containing a buried drainage system. The advantage of using a large wave flume is that[...]
Article : texte imprimé
Michalis K. Chondros, Auteur ;
Iason G. Koutsourelakis, Auteur ;
Constantine Demetrius Memos, Auteur
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A recent Boussinesq-type model is herein modified to account for breaking waves in shallow water. The model is based on a system of equations in terms of surface elevation and depth-averaged horizontal velocities, in two horizontal dimensions fo[...]
Article : texte imprimé
Francisco A. Taveira Pinto, Auteur ;
Paulo J. Rosa Santos, Auteur
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The effective dissipation of residual wave energy inside a harbour basin is desirable to improve its tranquillity conditions and the efficiency of port operations. The construction of gentle slopes is frequently unfeasible due to space limitatio[...]
Article : texte imprimé
Jack Bokaris, Auteur ;
Kostas Anastasiou, Auteur
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The processes of non-linear celerity distortion due to amplitude dispersion and energy dissipation due to bottom friction, whose effects are intensified in shallow waters, are incorporated into a finite volume solver of the mild-slope equation. [...]
Article : texte imprimé
Matteo Postacchini, Auteur ;
Maurizio Brocchini, Auteur ;
Sara Corvaro, Auteur
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A comparative analysis is performed on the wave energy dissipation efficiency on various coastal protection devices. In-house experimental data on the performance of two innovative coastal defence methods and of traditional submerged breakwaters[...]
Article : texte imprimé
Vallam Sundar, Auteur ;
Kantharaj Murali, Auteur ;
Lakshmanan Noarayanan, Auteur
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A comprehensive experimental investigation was carried out to understand the effect of vegetation in attenuating run-up over a plane slope of 1 : 30 due to the propagation of cnoidal waves. Two different types of vegetation configurations, namel[...]
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