Coastal Structure Design Tools
Large-scale physical experiments (Froude scale, 1:4.3) were performed at the new Delta Flume in 2017, aimed at investigating overtopping wave impacts on a vertical wall placed on the top of a dike in mildly shallow foreshore. Experiments allowed to investigate the morphological evolution of the sandy foreshore, the scour at the dike toe and its evolution under irregular and bichromatic wave conditions. Both experimental results and X-Beach numerical study performed to design the experiments are reported. Moreover, preliminary validation of the model aim at investigating the scour within a wider range of both wave conditions and foreshore slopes are illustrated.