Abstract:Althoughmany researchers have studied the local scour phenomenon around a spur dike experimentally and analytically, almost all the studies have been carried out for the steady flow state. This paper focused on a local scour around a spur dike during a surge pass and bed variations around the spur dike is investigated numerically by using a two dimensional numerical model with flux difference splitting technique under unstructured grid system. At first, the applicability of the employed numerical method was ex… Show more
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