GEOMORPHOLOGICAL MODELLING IN COASTAL WATERS

Morteza Kolahdoozan, Roger A. Falconer, Yiping Chen

Abstract


Details are given herein of the development and application of a three dimensional layer integrated numerical model to predict geomorphological changes in estuarine and coastal waters. An Alternating Direction Implicit finite difference scheme has been used for solving the governing differential equations, which include the conservation of mass and momentum for flow, the transport equation for suspended sediment fluxes and mass conservation for bed level changes. Model predictions, have been compared to predictions using other existing models and against laboratory measurements. A series of experiments have been carried out for a laboratory model harbour, with the model predictions being compared to laboratory measurements.

Keywords


geomorphological modelling

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