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Journal ArticleDOI

Studies on the effect of wave steepness on wave force coefficient for elliptical caissons

01 Jan 1986-Ocean Engineering (Pergamon)-Vol. 13, Iss: 4, pp 321-326
TL;DR: In this article, the effect of wave steepness on the wave force exerted on an elliptical caisson subjected to a regular wave is presented, and the results are compared with the modified linear diffraction theory proposed by Mogridge and Jamieson.
About: This article is published in Ocean Engineering.The article was published on 1986-01-01. It has received None citations till now. The article focuses on the topics: Wave propagation & Caisson.
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01 Dec 1954
TL;DR: In this paper, a quantitative understanding of the forces developed by wave action against circular piling is presented, where the authors focus on the effect of wave action on circular piling and show that wave action is a powerful force against piling.
Abstract: : Although circular piling is a much-used structural element in shore protection, harbor, and other maritime structures, only recently have significant advances been made toward gaining a quantitative understanding of the forces developed by wave action against piling. The present report deals with this subject.

501 citations

Journal ArticleDOI
29 Jan 1976
TL;DR: In this paper, the forces and overturning moments exerted by waves on large vertical square-section caissons have been measured in the laboratory and an approximate theoretical method is presented which allows the wave loadings on a square caisson to be estimated by means of a simple desk calculation.
Abstract: The forces and overturning moments exerted by waves on large vertical square-section caissons have been measured in the laboratory. Each model caisson extended from the bottom of a wave flume through the water surface and was oriented either with one side perpendicular to the direction of wave propagation or turned through an angle of forty-five degrees to this position. For a given orientation, each model was tested for a range of wave heights (up to the point of breaking) for various wave periods and water depths. A digital computer was used for the acquisition, processing, plotting and storage of the experimental data. In addition to the experimental work, an approximate theoretical method is presented which allows the wave loadings on a square caisson to be estimated by means of a simple desk calculation. The experimental data shows that this simple method of calculation is reasonably accurate over a wide range of wave conditions and caisson sizes.

13 citations

Journal ArticleDOI
TL;DR: In this paper, a finite element method based on linear diffraction theory has been used to compute wave loads and moments about the bed of surface piercing cylinders of circular, square, rectangular and elliptical sections for different angles of wave incidence.

5 citations

Journal ArticleDOI
TL;DR: In this article, the influence of wave steepness on force coefficient for large square and rectangular section caissons has been studied experimentally and compared with the results obtained using the modified linear diffraction theory proposed by Mogridge and Jamieson.
Abstract: The influence of wave steepness on force coefficient for large square and rectangular section caissons has been studied experimentally and compared with the results obtained using the modified linear diffraction theory proposed by Mogridge and Jamieson. The square caisson was tested for orientations of 0°, 15°, 30° and 45° of its side with the wave front and the rectangular caisson was tested for two aspect ratios of 3/4 and 4/3 for normal incidence of waves on its side. The force coefficient was found to increase in wave steepness, H/L. The agreement between the theory and experiment was found to be good for large values of relative caisson size, b/L (greater than 0.1) and for values of H/L up to 0.08. However, greater deviations occurred for small values of b/L and increasing values of H/L due to flow separation and non-linearity of the actual process. The results for normal incidence of waves on rectangular caissons are in line with those of square caissons. The effect of varying orientation of the squ...

1 citations