Chapter
Dec 31, 2015
Applications of a Numerical Shallow Water Waves Model
Authors: A. Haugel and PH. PechonAuthor Affiliations
Publication: Coastal Engineering 1982
Abstract
This paper relates three applications of a numerical model of storm waves in shallow waters developed in LNH. The equations are recalled at first and then the applications performed are presented.
The numerical model has been used in the case of the port of Fecamp, on the English Channel coast, on which the results of a scale model were available. The computed results compare well with the scale model measurements.
The second case is the s imulation of a t sumami induced by a submarine landslide which appeared in 1979 near Nice ; the mode 1 has permitted the simulation of the rising of the wave.
The last applications consisted in simulating breaking waves by introducing a dispersion term in the equations. This simulation has been tested with a one-dimensional model at first. The results show that the numerical model reproduces the elevation of the mean sea surface due to the loss of energy in breakings. Then the longshore current induced by breaking waves coming obliquely over a rectilinear sloping shore has been reproduced with a two dimensional model.
The results show that the model is able to compute with a good accuracy re fraction, diffraction and reflection, and that it appears to be very interesting for longshore currents simulation.
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Published In
Coastal Engineering 1982
Pages: 846 - 861
Copyright
© 1982 American Society of Civil Engineers.
History
Published online: Dec 31, 2015
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A. Haugel
Head of the Re search Division, Laboratoire National d'Hydraulique, E.D,F., Chatou, France.
PH. Pechon
Research Engineer, Laboratoire National d'Hydraulique, E.D.F., Chatou, France.
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