Diffraction of Nonlinear Waves by Founded Horizontal Rectangular Cylinder
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 124, Issue 5
Abstract
A solution to the diffraction problem for second-order surface waves by a horizontal rectangular cylinder founded on a rubble base is presented. The solution was obtained by the method of matched eigenfunction expansions. Wave load on a cylinder was found by analytical integration of pressure over the wetted surface of a cylinder. The results show that the cylinder width has a significant effect on second-order vertical force and surprisingly little effect on second-order horizontal force, while the cylinder draft has a significant effect on second-order horizontal force and surprisingly little effect on second-order vertical force. Moreover, the results show surprisingly little effect of rubble base damping properties on second-order wave load. The solution reveals significant second-order load on a founded cylinder. The second-order load components may exceed by many times the corresponding first-order quantities. This phenomenon occurs within the commonly accepted range of the applicability of a second-order wave theory.
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Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 124 • Issue 5 • September 1998
Pages: 257 - 263
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Sep 1, 1998
Published in print: Sep 1998
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