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INFLUENCE OF BOTTOM IRREGULARITY ON SOLITARY-WAVE INTERACTION WITH A PARTIALLY IMMERSED RECTANGULAR BODY

INFLUENCE OF BOTTOM IRREGULARITY ON SOLITARY-WAVE INTERACTION WITH A PARTIALLY IMMERSED... The problem of the interaction of a solitary wave with a partially immersed fixed body over an irregular bottom is considered. This problem is solved using the nonlinear dispersive shallow-water (Serre–Green–Naghdi) model and the potential flow model. The influence of the horizontal and vertical sizes of bottom irregularities and their location relative to the partially immersed body on the values of the total force acting on the body is studied numerically. It is shown that the horizontal component of this force increases monotonically with increasing vertical dimension and length of the underwater obstacle. This effect is enhanced when approaching the body. The vertical component of the force is slightly affected by the obstacle, and its dependence on the obstacle size may be nonmonotonic. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Mechanics and Technical Physics Springer Journals

INFLUENCE OF BOTTOM IRREGULARITY ON SOLITARY-WAVE INTERACTION WITH A PARTIALLY IMMERSED RECTANGULAR BODY

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References (23)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2023
ISSN
0021-8944
eISSN
1573-8620
DOI
10.1134/s0021894423010066
Publisher site
See Article on Publisher Site

Abstract

The problem of the interaction of a solitary wave with a partially immersed fixed body over an irregular bottom is considered. This problem is solved using the nonlinear dispersive shallow-water (Serre–Green–Naghdi) model and the potential flow model. The influence of the horizontal and vertical sizes of bottom irregularities and their location relative to the partially immersed body on the values of the total force acting on the body is studied numerically. It is shown that the horizontal component of this force increases monotonically with increasing vertical dimension and length of the underwater obstacle. This effect is enhanced when approaching the body. The vertical component of the force is slightly affected by the obstacle, and its dependence on the obstacle size may be nonmonotonic.

Journal

Journal of Applied Mechanics and Technical PhysicsSpringer Journals

Published: Feb 1, 2023

Keywords: solitary wave; irregular bottom; partially immersed body; nonlinear dispersive equations; compatibility conditions; wave force; calculation results

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