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A volume of fluid numerical model for wave impacts at coastal structures

A volume of fluid numerical model for wave impacts at coastal structures

Christakis, N., Allsop, N.W.H., Beale, R.G., Cooper, A.J. and Dennis, J.M. (2002) A volume of fluid numerical model for wave impacts at coastal structures. Proceedings of the ICE - Water and Maritime Engineering, 154 (3). pp. 159-168. ISSN 1472-4561 (Print), 1753-7800 (Online) (doi:10.1680/wame.2002.154.3.159)

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Abstract

The first stages in the development of a new design tool, to be used by coastal engineers to improve the efficiency, analysis, design, management and operation of a wide range of coastal and harbour structures, are described. The tool is based on a two-dimensional numerical model, NEWMOTICS-2D, using the volume of fluid (VOF) method, which permits the rapid calculation of wave hydrodynamics at impermeable natural and man-made structures. The critical hydrodynamic flow processes and forces are identified together with the equations that describe these key processes. The different possible numerical approaches for the solution of these equations, and the types of numerical models currently available, are examined and assessed. Preliminary tests of the model, using comparisons with results from a series of hydraulic model test cases, are described. The results of these tests demonstrate that the VOF approach is particularly appropriate for the simulation of the dynamics of waves at coastal structures because of its flexibility in representing the complex free surfaces encountered during wave impact and breaking. The further programme of work, required to develop the existing model into a tool for use in routine engineering design, is outlined.

Item Type: Article
Additional Information: [1] Water and Maritime Engineering was part of the Proceedings of the ICE. The journal ceased publication in 2003 to become two separate titles: Water Management and Maritime Engineering.
Uncontrolled Keywords: hydraulics & hydrodynamics, mathematical modelling, coastal engineering
Subjects: Q Science > QA Mathematics
T Technology > TA Engineering (General). Civil engineering (General)
Pre-2014 Departments: School of Computing & Mathematical Sciences
Related URLs:
Last Modified: 14 Oct 2016 09:00
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/555

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