Nonlinear Interaction Among Wave, Current and Submerged Breakwater

Park, K.-Y., 2018. Nonlinear Interaction among Wave, Current and Submerged Breakwater. In: Shim, J.-S.; Chun, I., and Lim, H.S. (eds.), Proceedings from the International Coastal Symposium (ICS) 2018 (Busan, Republic of Korea). Journal of Coastal Research, Special Issue No. 85, pp. 1281–1285. Coconu...

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Bibliographic Details
Published in:Journal of coastal research 2018-05, Vol.85 (sp1), p.1281-1285
Main Author: Park, Koo-Yong
Format: Article
Language:English
Subjects:
Breakwaters
CADMAS-SURF
COASTAL ENGINEERING
Computational fluid dynamics
Computer simulation
Deformation
Engineering
Experimental data
Experiments
Fluid dynamics
Free surfaces
Interaction of wave-current-structure
Laboratories
Mathematical models
Mathematical problems
Mechanics
Navier-Stokes equations
Nonlinear wave interactions
Nonlinear waves
NWCT (Numerical wave-current tank)
Physical phenomena
R&D
Research & development
Simulation
Studies
Tracking
Velocity
Vorticity
Water velocity
Water waves
Wave interaction
Wave propagation
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Summary:Park, K.-Y., 2018. Nonlinear Interaction among Wave, Current and Submerged Breakwater. In: Shim, J.-S.; Chun, I., and Lim, H.S. (eds.), Proceedings from the International Coastal Symposium (ICS) 2018 (Busan, Republic of Korea). Journal of Coastal Research, Special Issue No. 85, pp. 1281–1285. Coconut Creek (Florida), ISSN 0749-0208. Nonlinear wave interaction with a uniform current is described using numerical model, named CADMAS-SURF This model is based on the Navier-Stokes equations coupled with Volume of Fluid for tracking free surface deformation and developed for interaction of wave with structure. The CADMAS-SURF is extended to simulate nonlinear fluid dynamic motions on the wave-current coexisting field. The capability of Numerical Wave-Current Tank (NWCT) is validated by comparing with available experimental data for both wave-following and wave-opposing current. The numerical results are shown to be in good agreement with experimental data. In addition, this study investigated on the dynamic motions of the water velocity, surface elevation and vorticity within combined wave-current field in demonstrating complex nonlinear physical phenomena due to interaction. Furthermore, NWCT is applied to simulate a more complex wave-current-structure field for wave propagating over a submerged breakwater associated with current.
ISSN:0749-0208
1551-5036
DOI:10.2112/SI85-257.1