Wave Interactions with Perforated Breakwater
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 126, Issue 5
Abstract
The present paper describes a theoretical analysis and an associated numerical model used to assess the performance of a breakwater consisting of a perforated front wall, an impermeable back wall, and a rock-filled core. The numerical method is based on an eigenfunction expansion and utilizes a boundary condition at the perforated wall that accounts for energy dissipation. The numerical model is validated by comparison with previous numerical studies of the limiting cases of a permeable seawall and a perforated breakwater with an impermeable back wall. Relevant numerical results that are presented relate to the reflection coefficient, the wave runup, and the wave force. The effects of porosity, breakwater geometry, and relative wavelength are discussed; the choice of suitable parameters needed to model the permeability of the breakwater is described; and an example application to a practical design situation is given.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Dalrymple, R. A., Losada, M. A., and Martin, P. A. (1991). “Reflection and transmission from porous structures under oblique wave attack.” J. Fluid Mech., Cambridge, England, 224, 625–644.
2.
Fugazza, M., and Natale, L. (1992). “Hydraulic design of perforated breakwaters.”J. Wtrwy., Port, Coast., and Oc. Engrg., ASCE, 118(1), 1–14.
3.
Hagiwara, K. (1984). “Analysis of upright structure for wave dissipation using integral equation.” Proc., 19th Coast. Engrg. Conf., Vol. 3, ASCE, New York, 2810–2826.
4.
Isaacson, M., Baldwin, J., Allyn, N., and Cowdell, S. (1998a). “Design of a perforated breakwater.” Proc., Ports '98 Conf., Vol. 2, ASCE, New York, 1189–1198.
5.
Isaacson, M., Premasiri, S., and Yang, G. (1998b). “Wave interactions with a vertical slotted barrier.”J. Wtrwy., Port, Coast., and Oc. Engrg., ASCE, 124(3), 118–126.
6.
Jarlan, J. E. (1961). “A perforated vertical wall breakwater.” Dock and Harbour Authority, Chapman & Hall, London, 41, 394–398.
7.
Kondo, H. (1979). “Analysis of breakwaters having two porous walls.” Proc., Coast. Struct. Conf., Vol. 2, ASCE, New York, 939–952.
8.
Kriebel, D. L. (1992). “Vertical wave barriers: Wave transmission and wave forces.” Proc., 23rd Coast. Engrg. Conf., ASCE, New York, 1313–1326.
9.
Losada, I. J., Losada, M. A., and Baquerizo, A. (1993). “An analytical method to evaluate the efficiency of porous screens as wave dampers.” Appl. Oc. Res., 15, 207–215.
10.
Madsen, P. A. (1983). “Wave reflection from a vertical permeable wave absorber.” Coast. Engrg., 7, 381–396.
11.
Mallayachari, V., and Sundar, V. (1994). “Reflection characteristics of permeable seawalls.” Coast. Engrg., 23, 135–150.
12.
Mei, C. C., Liu, P. L. F., and Ippen, A. T. (1974). “Quadratic loss and scattering of long waves.”J. Wtrwy., Harb. and Coast. Engrg. Div., ASCE, 100(3), 217–239.
13.
Sarpkaya, T., and Isaacson, M. (1981). Mechanics of wave forces on offshore structures, Van Nostrand Reinhold, New York.
14.
Sollitt, C. K., and Cross, R. H. (1972). “Wave transmission through permeable breakwaters.” Proc., 13th Coast. Engrg. Conf., Vol. 3, ASCE, New York, 1827–1846.
15.
Sulisz, W. (1985). “Wave reflection and transmission at permeable breakwaters of arbitrary cross section.” Coast. Engrg., 9, 371–386.
16.
Terret, F. L., Osorio, J. D. C., and Lean, G. H. (1968). “Model studies of a perforated breakwater.” Proc., 11th Coast. Engrg. Conf., Vol. 2, ASCE, New York, 1104–1120.
17.
Urashima, S., Ishizuka, K., and Kondo, H. (1986). “Energy dissipation and wave force at slotted wall.” Proc., 20th Coast. Engrg. Conf., Vol. 3, ASCE, New York, 2344–2352.
18.
Yu, X.-P. (1995). “Diffraction of water waves by porous breakwaters.”J. Wtrwy., Port, Coast., and Oc. Engrg., ASCE, 121(6), 275–282.
Information & Authors
Information
Published In
History
Received: Jan 20, 1999
Published online: Sep 1, 2000
Published in print: Sep 2000
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.