A model-coupling framework for nearshore waves,currents, sediment transport,and seabed morphology |
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| Authors: | HS Tang TR Keen R Khanbilvardi |
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| Institution: | 1. Shantou University Medical College, Shantou, Guangdong Province, China;2. Department of Biochemistry and Molecular Biology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA;1. Civil Engineering Department, City College, City University of New York, New York 10031, USA;2. Department of Control Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;3. Department of Computer Science, City College, City University of New York, New York 10031, USA;4. School of Mathematics, Georgia Institute of Technology, Georgia 30332, USA;5. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, China;6. School of Hydraulic and Hydroelectric Engineering, Xi’an University of Technology, Shaanxi 710048, China |
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| Abstract: | This paper presents a framework for synchronously coupling wave, current, sediment transport, and seabed morphology for the accurate simulation of multi-physics coastal ocean processes. The governing equations, which represent models that are commonly adopted in practical simulations, are discretized using finite-difference methods. The resulting system is validated against analytical solutions. In order to test the performance of the proposed framework and the numerical methods, dam-break flow over a mobile-bed and evolution of a wave-driven sand dune are simulated. The interactions among waves, currents, and seabed morphology are illustrated. |
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