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A three dimensional infinite wedge shaped solid block sliding into water along an inclined beach

Sun, SL; Sun, SY; Wu, GX; (2016) A three dimensional infinite wedge shaped solid block sliding into water along an inclined beach. Journal of Fluids and Structures , 66 pp. 447-461. 10.1016/j.jfluidstructs.2016.08.004. Green open access

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Abstract

The three dimensional (3D) problem of a solid block sliding into water along an inclined beach is investigated. The main part of the block is an infinite wedge cylinder and the front of the body is part of an elliptical cone. Incompressible velocity potential theory is used together with fully nonlinear boundary conditions. When gravity is ignored, it is found that self-similar solution is possible. The boundary element method is used to solve the problem. The free surface shape is updated together with the potential on the free surface until the flow has become self-similar. Convergence studies are taken with respect to marching step and element size. Simulations are made for different bodies and different beach angles. Extensive results are provided for the pressure as well as the free surface shape, and their implications in physics are discussed.

Type: Article
Title: A three dimensional infinite wedge shaped solid block sliding into water along an inclined beach
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jfluidstructs.2016.08.004
Publisher version: http://dx.doi.org/10.1016/j.jfluidstructs.2016.08....
Language: English
Additional information: Copyright © 2016. This manuscript version is published under a Creative Commons Attribution Non-commercial Non-derivative 4.0 International licence (CC BY-NC-ND 4.0). This licence allows you to share, copy, distribute and transmit the work for personal and non-commercial use providing author and publisher attribution is clearly stated. Further details about CC BY licences are available at http://creativecommons.org/licenses/by/4.0. Access may be initially restricted by the publisher.
Keywords: 3D sliding block; Impact with liquid; Velocity potential theory; Fully nonlinear boundary conditions; Boundary element method
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1529594
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