NEAR BOTTOM VELOCITIES IN WAVES WITH A CURRENT; ANALYTICAL AND NUMERICAL COMPUTATIONS

W.G.M. van Kesteren; W.T. Bakker

doi:10.9753/icce.v19.79

No. 19 (1984), Conference Proceedings

No. 19 (1984)

NEAR BOTTOM VELOCITIES IN WAVES WITH A CURRENT; ANALYTICAL AND NUMERICAL COMPUTATIONS

Conference Proceedings

https://doi.org/10.9753/icce.v19.79

Published 1984-01-29

W.G.M. van Kesteren⁺⁻
W.T. Bakker⁺⁻

W.G.M. van Kesteren

Delft Hydraulics Laboratory

W.T. Bakker

Delft University of Technology

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Keywords

near bottom velocity
current
numerical computation
analytical computation

How to Cite

van Kesteren, W., & Bakker, W. (1984). NEAR BOTTOM VELOCITIES IN WAVES WITH A CURRENT; ANALYTICAL AND NUMERICAL COMPUTATIONS. Coastal Engineering Proceedings, 1(19), 79. https://doi.org/10.9753/icce.v19.79

Abstract

In this paper, starting from the Prandtl hypothesis a three-dimensional numerical bottom boundary layer model has been developed, which allows to calculate bottom friction by a combination of waves and currents. The model has been compared with two-dimensional analytical computations which gave similar results. The bottom friction values found are comparable to the ones, found by Lundgren (1972), however in the most relevant cases somewhat less. Furthermore in the two-dimensional case the model has been compared with measurements of Bakker and Van Doom (1978). With respect to the oscillatory motion, still some minor deviations occur between theory and measurements, due to deficiencies of the Prandtl theory.

https://doi.org/10.9753/icce.v19.79

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NEAR BOTTOM VELOCITIES IN WAVES WITH A CURRENT; ANALYTICAL AND NUMERICAL COMPUTATIONS

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