Numerical study of combined overflow and wave overtopping over a smooth impermeable seawall |
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| Authors: | DE Reeve A Soliman PZ Lin |
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| Institution: | 1. Centre for Coastal Dynamics and Engineering, School of Engineering, Reynolds Building, University of Plymouth, Drake Circus, Plymouth, Devon, PL4 8AA, UK;2. College of Engineering and Technology, Arab Academy for Science and Technology and Maritime Transport, Alexandria, Egypt;3. Department of Civil Engineering, National University of Singapore, Singapore |
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| Abstract: | A numerical wave flume is used to investigate the discharge characteristics of combined overflow and wave overtopping of impermeable seawalls. The numerical procedure computes solutions to the Reynolds-averaged Navier–Stokes equations and includes the generation of an irregular train of waves, the simulation of wave breaking and interaction with a sloping, impermeable wall. The numerical model is first tested against published experimental observations, approximate analytical solutions and empirical design formulae for the cases of pure overflow and pure overtopping. A sequence of numerical experiments simulating combined overflow and overtopping are described. The results are used to determine empirical discharge formulae of the form used in current practice. |
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| Keywords: | Overflow Wave overtopping Numerical simulation Sea wall |
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