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1 May 2018 Numerical Simulation of Wave Propagation over Structures on a Porous Seabed
Eun-Hong Min, Weoncheol Koo
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Min, E.-H. and Koo, W., 2018. Numerical simulation of wave propagation over structures on a porous seabed. 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. 966–970. Coconut Creek (Florida), ISSN 0749-0208.

A wave-body interaction with semi-circular rigid structures placed on a porous seabed was simulated. Owing to the rigid structures installed at regular intervals, spatial modulation of the wave propagation due to a Bragg reflection was examined. The computational domain consisted of a potential-flow water domain and porous domain with Darcy's law interface boundary condition. Using the numerical wave tank technique, the two-domain boundary element method was developed to simulate wave propagation over seafloor structures on the porous boundary in the time domain. For various permeability constants and incident wave frequencies, wave amplitude was varied in the direction of wave propagation over the porous boundary and the effects of the permeability on wave attenuation were investigated.

©Coastal Education and Research Foundation, Inc. 2018
Eun-Hong Min and Weoncheol Koo "Numerical Simulation of Wave Propagation over Structures on a Porous Seabed," Journal of Coastal Research 85(sp1), 966-970, (1 May 2018).
Received: 30 November 2017; Accepted: 10 February 2018; Published: 1 May 2018
Bragg reflection
Darcy's law
Numerical wave tank
porous domain
wave propagation
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