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Interactions of fully nonlinear solitary wave with a freely floating vertical cylinder

Zhou, BZ; Wu, GX; Meng, QC; (2016) Interactions of fully nonlinear solitary wave with a freely floating vertical cylinder. Engineering Analysis with Boundary Elements , 69 (2016) pp. 119-131. 10.1016/j.enganabound.2016.05.004. Green open access

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Abstract

Fully nonlinear numerical interaction of a transient wave with a three dimensional structure has been analysed based on a higher-order boundary element method (BEM). The BEM mesh on the free surface is generated through a combination of the structured and unstructured meshes. Through some auxiliary functions, the mutual dependence of fluid/structure motions is decoupled, which allows the body acceleration to be obtained without the knowledge of the pressure distribution. The solitary wave is used as the case study for the transient wave. It is obtained by the third order theory and the fully nonlinear theory. The accuracy of the present numerical model is verified through the steady propagation of a solitary wave and comparison with the published results for solitary wave interaction with a vertical wall. Simulations are then made to study solitary wave interaction with a truncated cylinder. Numerical results are provided for motions, forces and run-ups on the cylinder and comparison between results for the fixed cylinder and the freely floating cylinder is also made.

Type: Article
Title: Interactions of fully nonlinear solitary wave with a freely floating vertical cylinder
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.enganabound.2016.05.004
Publisher version: http://dx.doi.org/10.1016/j.enganabound.2016.05.00...
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: Science & Technology, Technology, Physical Sciences, Engineering, Multidisciplinary, Mathematics, Interdisciplinary Applications, Engineering, Mathematics, Solitary wave, Transient wave-structure interaction, Fully nonlinear theory, Higher-order boundary element method, Boundary-element Method, Finite-element, Circular-cylinder, Body Interactions, Water-waves, Steep Waves, Part 2, Bodies, Simulation, Collisions
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/1519598
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