Author(s): Yongsheng Wu; Zhaoyin Wang; Jijian Lian; Qinghe Zhang
Keywords: Stratification effect; Interaction of wave-current; Mean velocityprofiles
Abstract: The concentration gradient of sediment often occurs in estuarine and coastal regions. The velocity profile of current with waves is affected by the gradient and exhibits different forms. This paper presents a k-εturbulent model for wave-current combined flows of the full depth of the estuarine and coastal region simulating the effect of sediment concentration on the velocity profile. A quantitative analysis shows that the existence of concentration gradient decreases the effect of waves on the mean current velocity in the case of following current.