NUMERICAL MODELLING OF THE STABILITY OF RUBBLE BASES
No. 23 (1992), Conference Proceedings
No. 23 (1992)

NUMERICAL MODELLING OF THE STABILITY OF RUBBLE BASES

Conference Proceedings
https://doi.org/10.9753/icce.v23.%25p
Published 1992-01-29
Wojciech Sulisz
Chalmers University of Technology, Department of Hydraulics
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Keywords

numerical modelling
rubble base
rubble stability

How to Cite

Sulisz, W. (1992). NUMERICAL MODELLING OF THE STABILITY OF RUBBLE BASES. Coastal Engineering Proceedings, 1(23). https://doi.org/10.9753/icce.v23.%p
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Abstract

A numerical model is developed to predict the stability of rubble bases exposed to wave action. A boundary element method is applied to solve the problem of wave interaction with a caisson and its rubble base, and to calculate the velocity field. The predicted velocities are used to determine the destabilizing forces on individual stones. Theoretical results reveal two local minima in stability: in very shallow water and at intermediate depths. The rubble base stability increases with decreasing incident wave height, the rubble base height and the bench width. Preliminary results also show that the stability depends on the damping properties and that the stability increases with increasing permeability.
https://doi.org/10.9753/icce.v23.%25p
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