An implicit one-line numerical model on longshore sediment transport

Esen, Mustafa
In this study, a numerical model “Modified Coast-Structure Interaction Numerical Model” (CSIM) is developed with an implicit approach to determine the shoreline changes due to wind wave induced longshore sediment transport under the presence of groins, T-groins and offshore breakwaters by making modifications on the explicit numerical model “Coast-Structure Interaction Numerical Model” (CSI). Using representative wave data transformed to a chosen reference depth from deep water, numerical model (CSIM) simulates the shoreline changes considering structure interference. Breaking and diffraction within the sheltered zones of coastal structures defined for offshore breakwaters by using vectorial summation of the diffraction coefficients and as for T-groins shore-perpendicular part forms a boundary to define the shoreline changes seperately at two sides of the structure. Numerical model, CSIM is tested with a case study by applying in Bafra Delta, Kızılırmak river mouth at Black sea coast of Turkey. Numerical model simulations show that model results are in good agreement qualitatively with field measurements.


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Citation Formats
M. Esen, “An implicit one-line numerical model on longshore sediment transport,” M.S. - Master of Science, Middle East Technical University, 2007.