Long Wave Run-up on Plane and “Non-Reflecting” Slopes

The long wave run-up on two types of slopes is investigated numerically within the framework of nonlinear shallow water theory using the CLAWPACK software. One of the slopes represents a plane slope widely used in the laboratory and numerical experiments; the second is the so-called “non-reflecting”...

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Bibliographic Details
Published in:Fluid dynamics 2018-05, Vol.53 (3), p.402-408
Main Authors: Didenkulova, I. I., Pelinovsky, E. N., Rodin, A. A.
Format: Article
Language:English
Subjects:
Amplitudes
Classical and Continuum Physics
Classical Mechanics
Engineering Fluid Dynamics
Fluid- and Aerodynamics
Physics
Physics and Astronomy
Shallow water
Slopes
Wave breaking
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Summary:The long wave run-up on two types of slopes is investigated numerically within the framework of nonlinear shallow water theory using the CLAWPACK software. One of the slopes represents a plane slope widely used in the laboratory and numerical experiments; the second is the so-called “non-reflecting” slope ( h ~ x 4/3 , where h is the basin depth and x is the distance from the shoreline). In the case of very low wave amplitudes when there is no wave breaking, the run-up height is greater on the non-reflecting beach than that on the plane slope. As the wave amplitude increases, the breaking effects have the stronger impact in the case of non-reflecting beach and the run-up height becomes smaller.
ISSN:0015-4628
1573-8507
DOI:10.1134/S0015462818030072