Abstract
The numerical model of wave surface elevation and water filtration in the saturated-unsaturated porous medium is developed. The model uses to define the parameters of the wave run-up at the slope protected by the permeable fixed layer. The model shows the wave surface in the different times, including the wave run-up height at the slope and wave run-down. Also, the velocities in the upper protected layer as well in the soil body of the slope are defined. Model is verified with using of the published large-scale tests with the slopes protected by Elastocoast technology layers. The tests were carried out in the wave flume of Technical University Braunschweig. The numerical model may be applied to calculate the maximal waves run-up at the protected engineering and beach slopes in natural conditions.
Highlights
Protective permeable revetment slopes are widely used as in port construction and coastal protection
Analysis of these results indicates that the numerical model satisfactorily consistent with data used in large-scale experiments in the wave flume
For permeable fixed protective coating, the top protective layer can be considered as porous media
Summary
Protective permeable revetment slopes are widely used as in port construction and coastal protection. The developed numerical model of movement of surface waters and the movement of moisture in saturated-unsaturated porous medium allows to define the characteristics of the flow on a slope, sheltered in the run-up area by the permeable pinned layer. It was studied the effects of waves on coastal protection dam of construction project, located in front of the concrete slope the beach width 1.2 m. In the third series of experiments investigated effects of the waves 1 times per year on the no moving model of a coastal slope, located behind the beach model with width 1.2 m.
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