Quadratic Loss and Scattering of Long Waves

by Chiang C. Mei, Prof. of Civ. Engrg.; Massachusetts Inst. of Tech., Cambridge, MA,
Phillip L-F. Liu, Asst. Prof. of Civ. Engrg.; Cornell Univ., Ithaca, NY,
Arthur T. Ippen, (F.ASCE), Deceased; formerly Inst. Prof. Emeritus; Massachusetts Inst. of Tech., Cambridge, MA,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1974, Vol. 100, Issue 3, Pg. 217-239

Document Type: Journal Paper


A wave train past sharp convex corners or narrow passages may suffer energy loss due to flow separation. Representing the energy loss by a surface drop proportional to the square of the local velocity, the effects incurred on the wave train are studied for one-dimensional transmission problems. When the constriction is asymmetrical, an induced current is found along with the radiation of higher harmonics.

Subject Headings: Long waves | Hydro power | Energy loss | Power transmission | Wave velocity | Flow separation | Surface waves | Asymmetry

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