TECHNICAL PAPERS
Sep 1, 2006

Wave Interaction with a Flexible Porous Breakwater in a Two-Layer Fluid

Publication: Journal of Engineering Mechanics
Volume 132, Issue 9

Abstract

An analysis has been carried out to study the performance of a flexible porous plate breakwater in a two-layer fluid where each fluid is assumed to be of finite depth and the breakwater is extended over the entire water depth. The problem is analyzed in two dimensions with the assumption of small amplitude wave theory and plate response. The effects of both surface and internal waves are taken into account in the present study. The associated mixed boundary value problem is reduced to a linear system of equations by utilizing a more general orthogonal relation along with least squares approximation method. The reflection and transmission coefficients for the surface and internal modes, wave load, and breakwater response are computed for various physical parameters of interest to analyze the efficiency of the flexible porous plate as a breakwater in the two-layer fluid.

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Acknowledgments

One of the writers (P.S.K.) acknowledges the Indian Institute of Technology, Kharagpur for support as a research student. This research work is partially supported by Naval Research Board, New Delhi.

References

Barthélemy, E., Kabbaj, A., and Germain, J. P. (2000). “Long surface waves scattered by a step in a two-layer fluid.” Fluid Dyn. Res., 26(4), 235–255.
Cadby, J. R., and Linton, C. M. (2000). “Three-dimensional water-wave scattering in two-layer fluids.” J. Fluid Mech., 423, 155–173.
Chan, A. T., and Lee, S. W. C. (2001). “Wave characteristics past a flexible fishnet.” Ocean Eng., 28(11), 1517–1529.
Chwang, A. T. (1983). “A porous-wavemaker theory.” J. Fluid Mech., 132, 395–406.
Chwang, A. T., and Chan, A. T. (1998). “Interaction between porous media and wave motion.” Annu. Rev. Fluid Mech., 30, 53–84.
Kumar, P. S., and Sahoo, T. (2005). “Wave trapping by porous and flexible partial barriers in a two-layer fluid. ”Proc., 15th Int. Offshore and Polar Engineering Conference, ISOPE, Seoul, Korea, 3, 572–579.
Kundu, P. K., and Cohen, I. M. (2002). Fluid mechanics, 2nd Ed., Academic, San Diego.
Lamb, H. (1932). Hydrodynamics, 6th Ed., Cambridge University, Cambridge, U. K., Reprinted 1993.
Lee, J. F., and Chen, C. J. (1990). “Wave interaction with hinged flexible breakwater.” J. Hydraul. Res., 28(3), 283–295.
Lee, M. M., and Chwang, A. T. (2000). “Scattering and radiation of water waves by permeable barriers.” Phys. Fluids, 12(1), 54–65.
Linton, C. M., and McIver, M. (1995). “The interaction of waves with horizontal cylinders in two-layer fluids.” J. Fluid Mech., 304, 213–229.
Milne-Thomson, L. M. (1996). Theoretical hydrodynamics, Dover, New York.
Sherief, H. H., Faltas, M. S., and Sadd, E. I. (2003). “Forced gravity waves in two-layered fluids with the upper fluid having a free surface.” Can. J. Phys., 81, 675–689.
Wang, K. H., and Ren, X. (1993). “Water waves on flexible and porous breakwaters.” J. Eng. Mech., 119(5), 1025–1047.
Wehausen, J. V., and Laitone, E. V. (1960). In Handbuch der physik, S. Flugge, ed., Springer, N.Y., 9, 446–778.
Williams, A. N. (1993). “Dual floating breakwater.” Ocean Eng., 20(3), 215–232.
Williams, A. N., and Wang, K. H. (2003). “Flexible porous wave barrier for enhanced wet-lands habitat restoration.” J. Eng. Mech., 129(1), 1–8.
Williams, A. N., Geiger, P. T., and McDougal, W. G. (1991). “Flexible floating breakwater.” J. Waterw., Port, Coastal, Ocean Eng., 117(5), 429–450.
Yip, T. L., Sahoo, T., and Chwang, A. T. (2002). “Trapping of surface waves by porous and flexible structures.” Wave Motion, 35(1), 41–54.
Yu, X., and Chwang, A. T. (1994). “Wave induced oscillation in harbor with porous breakwaters.” J. Waterw., Port, Coastal, Ocean Eng., 120(2), 125–144.
Zilman, G., Kagan, L., and Miloh, T. (1996). “Hydrodynamics of a body moving over a mud layer—Part II: Added-mass and damping coefficients.” J. Ship Res., 40, 39–45.
Zilman, G., and Miloh, T. (1995). “Hydrodynamics of a body moving over a mud layer—Part I: Wave resistance.” J. Ship Res., 38, 194–201.

Information & Authors

Information

Published In

Go to Journal of Engineering Mechanics
Journal of Engineering Mechanics
Volume 132Issue 9September 2006
Pages: 1007 - 1014

History

Received: Aug 6, 2004
Accepted: Feb 14, 2006
Published online: Sep 1, 2006
Published in print: Sep 2006

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Notes

Note. Associate Editor: Nikolaos D. Katopodes

Authors

Affiliations

Research Scholar, Dept. of Ocean Engineering and Naval Architecture, Indian Institute of Technology, Kharagpur 721302, India. E-mail: suresẖ[email protected]
Associate Professor, Dept. of Ocean Engineering and Naval Architecture, Indian Institute of Technology, Kharagpur 721302, India (corresponding author). E-mail: [email protected]

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