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A Transition-Loss Theory for Waves Reflected and Transmitted by an Overwashed Body

A transition-loss theory for waves reflected by an overwashed step and transmitted by an overwashed plate is presented. The theory is based on a conservation of energy technique to correct the transmission/reflection predicted by linear potential flow theory by taking into account the energy flux into the overwash and the mechanical energy dissipated by the formation of overwash. Wave energy dissipation is calculated by assuming that the transition from deep water to shallow water flow occurs over a sufficiently narrow domain such that it can be modeled as a discontinuity in the flow (akin to a hydraulic jump). Theoretical predictions are compared to CFD model data for the step problem and laboratory experimental measurements for the plate problem. Generally, excellent agreement is found for all cases tested, and the theory gives significant improvements compared to linear models that do not capture overwash effects and a theory that does not account for energy loss in the transition domain.

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Informasi Detail

Judul Seri

SIAM JOURNAL ON APPLIED MATHEMATICS; Vol.81 No.3 May-June 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 834 - 852

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

WATER WAVES
GRAVITY WAVES
FREE-SURFACE POTENTIAL FLOWS FOR INCOMPRESSIBLE IN
DISPERSION AND SCATTERING
NONLINEAR INTERACTION
BASIC METHODS IN FLUID MECHANICS

Info Detail Spesifik

https://doi.org/10.1137/20M1386979

Pernyataan Tanggungjawab

David M. Skene, Luke G. Bennetts

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