simulating three dimensional wave run-up over breakwaters covered by antifer units

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ID: 194377
2014
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Abstract
The paper presents the numerical analysis of wave run-up over rubble-mound breakwaters covered by antifer units using a technique integrating Computer-Aided Design (CAD) and Computational Fluid Dynamics (CFD) software. Direct application of Navier-Stokes equations within armour blocks, is used to provide a more reliable approach to simulate wave run-up over breakwaters. A well-tested Reynolds-averaged Navier-Stokes (RANS) Volume of Fluid (VOF) code (Flow-3D) was adopted for CFD computations. The computed results were compared with experimental data to check the validity of the model. Numerical results showed that the direct three dimensional (3D) simulation method can deliver accurate results for wave run-up over rubble mound breakwaters. The results showed that the placement pattern of antifer units had a great impact on values of wave run-up so that by changing the placement pattern from regular to double pyramid can reduce the wave run-up by approximately 30%. Analysis was done to investigate the influences of surface roughness, energy dissipation in the pores of the armour layer and reduced wave run-up due to inflow into the armour and stone layer.
Reference Key
najafi-jilani2014internationalsimulating Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;A. Najafi-Jilani;M. Zakiri Niri;Nader Naderi
Journal current developments in nutrition
Year 2014
DOI
10.2478/IJNAOE-2013-0180
URL
http://www.sciencedirect.com/science/article/pii/S2092678216303028
Keywords
numerical simulation marine engineering shipbuilding

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