Publication Detail

Spectral wave attenuation by bottom friction: experiments.

Ole S Madsen, Moises Michel Rosengaus Moshinsky
22 pp.
MITSG 89-23J

FIt is necessary to consider the bottom roughness, or wave friction factor, when predicting the attenuation of waves propagating in finite water depth over a movable bottom. This study presents experimental results for the attenuation of a spectrum of waves in these conditions. The attenuation of individual frequency components was expressed in terms of friction factors, and it was found that these factors exhibited only minor variations. These findings support the simple theoretical model proposed in the previous paper.

type: Technical reports

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