Abstract
Maximum wave force induced by a run-up tsunami containing suspended sediment was investigated using a numerical model considering change in fluid density and viscosity due to suspended sediment. Numerical results showed that the maximum tsunami force induced by quasi-steady wave pressure can be evaluated conservatively from that for no suspended sediment and fluid density considering assumed suspended sediment concentration in many cases. In contrast, it was found that an increase in the maximum tsunami force induced by surge-front wave pressure tended to be larger than that in fluid density due to suspended sediment. This suggested that investigation for tsunamis containing suspended sediment would be essential in assessing the maximum tsunami force induced by surge-front wave pressure.
