Estimating Harmonic Parameters for Damped Co‐Oscillating Tides
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 113, Issue 2
Abstract
The parameters of Ippen and Harleman's harmonic analysis for the study of long periodic waves are investigated with emphasis on semidiurnal tidal co‐oscillations in one‐dimensional open channels. The data required for application of this analysis are obtained through a numerical simulation of tidal propagation phenomenon by a finite element technique. From the characteristic quantities of the method, the wave‐number, k, and the dimensionless parameter, ϕ, are examined and then related analytically to a number of physical and geometrical quantities, including the bottom friction coefficient and dimensionless combinations of the wave amplitude, length and depth of the channel, and tidal wave length. Subsequently, qualitative and quantitative information is provided for the linearized friction factor M of Telegrapher's equation, the phase shift α between tidal heights and currents, and the damping modulus μ. The results are verified by experimental and field data.
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Copyright © 1987 ASCE.
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Published online: Mar 1, 1987
Published in print: Mar 1987
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