Transformation of Progressive Waves Propagating Obliquely on Gentle Slope
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 130, Issue 4
Abstract
This paper reports the results of a new mathematical derivation for the transformation of a progressive wave propagating obliquely on a gentle slope. On the basis of the conservation principle of wave motion and in a wave-ray coordinate system, an explicit expression for the velocity potential of the wave field is derived as a function of the bottom slope α perturbed to a second order in an Eulerian coordinate system. Wave profile is then obtained in the Lagrangian system. Together, these enable the description of the features of wave shoaling and refraction in the direction of wave propagation from deep to shallow water, particularly, the process of successive deformation of a wave profile.
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Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 130 • Issue 4 • July 2004
Pages: 162 - 169
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Mar 17, 2003
Accepted: Dec 17, 2003
Published online: Jun 15, 2004
Published in print: Jul 2004
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