Dam-Break Waves’ Hydrodynamics on Composite Bathymetry

Among others, dam-break waves are a common representation for tsunami near- or on-shore as well large storm riding on top of surge water levels at coasts. These extreme hydrodynamic events frequent cause destruction and losses along coastlines worldwide. Within this study, propagated over composite bathymetry, consisting linear slope an adjacent horizontal plane. The wave propagation the its subsequent inundation hinterland is investigated, by varying extensive set parameters, first time. To that end, numerical multi-phase computational fluid dynamics model calibrated against large-scale physical flume tests. used to systematically alter parameters governing hydrodynamics link them with processes observed. flow length, height plane respect ocean bottom elevation, initial impoundment depth dam-break. It found overland features governed non-dimensional Empirical equations presented predict flow, such velocities plane, function aforementioned parameters. In addition, analytical considerations concerning these presented, highlighting changing space time rising attention phenomenon be considered in future experimental