Topic
Wave flume
About: Wave flume is a research topic. Over the lifetime, 1627 publications have been published within this topic receiving 23335 citations.
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TL;DR: In this article, an integrated computational structure for non-cohesive sediment-transport and bed-level changes in nearshore regions has been developed, consisting of three hydrodynamic sub-models; a dynamic equation for the sediment transport (of the Bailard-type); and an extended sediment balance equation.
18 citations
TL;DR: In this article, the authors assess to which extent common quantitative formulae for predicting local scour and drag forces on rigid cylindrical obstacles are valid for the estimation of scour, and hence applicable to predict plant establishment and survival under contrasting wave conditions.
18 citations
TL;DR: In this article, the role of nonlinear wave evolution in the formation of extreme run-up events on a vertical wall is investigated, and it is shown that extreme runup events in deep water may occur as a result of the disintegration of incident wave groups into envelope solitons.
Abstract: Nonlinear evolution of long-crested wave groups can lead to extreme interactions with coastal and marine structures. In the present study the role of nonlinear evolution in the formation of extreme run-up events on a vertical wall is investigated. To this end, the fundamental problem of interaction between non-breaking water waves and a vertical wall over constant water depth is considered. In order to simulate nonlinear wave–wall interactions, the high-order spectral method is applied to a computational domain which aims to represent a two-dimensional wave flume. Wave generation is simulated at the flume entrance by means of the additional potential concept. Through this concept, the implementation of a numerical wavemaker is applicable. In addition to computational efficiency, the adopted numerical approach enables one to consider the evolution of nonlinear waves while preserving full dispersivity. Utilizing these properties, the influence of the nonlinear wave evolution on the wave run-up can be examined for a wide range of water depths. In shallow water, it is known that nonlinear evolution of incident waves may result in extreme run-up events due to the formation of an undular bore. The present study reveals the influence of the nonlinear evolution on the wave run-up in deep-water conditions. The results suggest that extreme run-up events in deep water may occur as a result of the disintegration of incident wave groups into envelope solitons.
18 citations
Book•
18 Dec 1998
TL;DR: Wave Mechanics: The Green-Nahgdi theory of fluid sheets for shallow-water waves The Cnoidal theory of water waves Equation for numerical modeling of wave transformation in shallow water Nearshore wave prediction models for coastal engineering applications Offshore Topics: Mooring dynamics of offshore vessels Cable dynamics for offshore applications Modeling laws in ocean engineering Hydrodynamics of offshore structures Underwater acoustics Life support for diving Index
Abstract: Wave Mechanics: The Green-Nahgdi theory of fluid sheets for shallow-water waves The Cnoidal theory of water waves Equation for numerical modeling of wave transformation in shallow water Nearshore wave prediction models for coastal engineering applications Offshore Topics: Mooring dynamics of offshore vessels Cable dynamics for offshore applications Modeling laws in ocean engineering Hydrodynamics of offshore structures Underwater acoustics Life support for diving Index
18 citations
TL;DR: In this paper, a morphology model for the prediction of beach erosion in the vicinity of a seawall has been developed, and the effect of wave reflection off a continuous seawall was included in the different components of the model.
18 citations