Currents induced by vertical varied radiation stress in standing waves and evolution of the bed composed of fine sediments

This paper extends the conventional concept of radiation stress (Longuet-Higgins and Stewart, 1964) in progressive water waves to standing waves, so that its vertical profile could be defined and calculated in a new technical way. The hydrodynamic numerical model being coupled with the vertically varying radiation stress in standing waves is used to simulate the currents being induced by standing waves in the vertical section. Numerical modeling of suspended sediment transport is then carried out to simulate the evolution of the bed composed of fine sediments by the currents. The scour and deposition patterns simulated are in qualitative agreement with prior laboratory and field observations.