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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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Proceedings ArticleDOI
TL;DR: In this paper, a single solitary wave interacting at normal incidence with a semi-infinite vertical breakwater results in the formation of a single vortex which is subsequently shed from the structure.

4 citations

14 Jun 1992
TL;DR: In this article, a two-dimensional numerical wave tank has been developed using a boundary integral scheme, where waves are generated by a hinged "wave-maker" at one end of the "wave flume" and they are absorbed by a "damper" at the other end.
Abstract: A two-dimensional numerical wave tank has been developed using a boundary integral scheme. Waves are generated by a hinged "wave-maker" at one end of the "wave flume" and they are absorbed by a "damper" at the other end. In deep water,m the wave forms are solely determined by the motion of the wave-maker. A single-frequency sinusoidal motion of the paddle results in a steady progressive wave of the same frequency. Starting from the still- water condition, the first few waves are seen to disappear as they travel towards the other end of the tank, which is exactly what happens in a real wave flume. Comparisons between Stokes wave kinematics and that of monochromatic waves generated in the numerical wave tank have been carried out and the results are in good agreement with experimental observations.

4 citations

Journal ArticleDOI
29 Jan 1986
TL;DR: In this article, the authors confirmed the critical Reynolds number where the influence of scale effect on reflection became negligible, and evaluated the results in small and middle scale test, and can correct the minimum weight of armor units.
Abstract: In the studies on stability of the armor units and reflection from those, there are some indications on scale effects which are included in the results of small scale experiments. In this study, the fact has been confirmed with large wave flume test, and estimated the critical Reynolds Number where was no scale effect. And by this result on the stability of urmor units, we can evaluated the results in small and middle scale test, and can correct the minimum weight of armor units. So we can design the breakwaters and seawalls rationaly and economicaliy. However, it has not been confirmed the critical Reynolds Number where the influence of scale effect on reflection became negligible.

4 citations

Proceedings ArticleDOI
01 Jan 2008
TL;DR: In this article, the authors describe the experiments performed at the National Laboratory for Civil Engineering (LNEC) aiming at simulating, in a flume, the wave propagation along a constant slope bottom that ends on a sea wall coastal defence structure, a common structure employed in the Portuguese coast.
Abstract: This paper describes the experiments performed at the National Laboratory for Civil Engineering (LNEC) aiming at simulating, in a flume, the wave propagation along a constant slope bottom that ends on a sea wall coastal defence structure, a common structure employed in the Portuguese coast. The objective of these tests is to calibrate the parameters of FUNWAVE, a Boussinesq type model, for wave propagation in coastal regions. This is the first step in the validation of a methodology to combine numerical and physical models in the study of the interactions between beaches and structures. This work is performed in the framework of the Composite Modelling of the Interactions between Beaches and Structures (CoMIBBs) project, a joint research activity of the HYDRALAB III European project.Copyright © 2008 by ASME

4 citations

Proceedings ArticleDOI
21 Oct 2015
TL;DR: In this article, a numerical wave tank (NWT) with passive wave absorption was used to simulate a laboratory flume with a uniformly inclined porous beach and a parabolic-shaped solid beach, where different incident wave properties were examined and the reflection coefficient was calculated using the two-probe method.
Abstract: Passive wave absorption is usually employed at the downstream end of a wave flume or basin to avoid the build-up of wave energy in the tank. However, absorption of waves is not perfect in physical tanks. A beach of different shape and/or composition can result in different absorption efficiency. Laboratory investigations of various passive beach configurations are costly and time-consuming. A more efficient approach is to perform studies using a numerical wave tank (NWT), which in turn requires empirical data to tune the dissipative effects.This study attempts to better understand the quality of waves simulated in a laboratory flume with a uniformly inclined porous beach and a parabolic-shaped solid beach. The data will be used to validate a newly-developed NWT with passive wave absorption. Different incident wave properties are examined and the reflection coefficient is calculated primarily with the two-probe method proposed by Goda & Suzuki (1976) and compared with other methods. An overview of the experiments, absorption analysis and numerical simulation is presented and discussed.Copyright © 2015 by ASME

4 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202331
202284
202165
202069
201964
201859