The entire university community is invited to the following seminar:
Title: Scaling laws for swash overtopping, motion at a tsunami wave front and sediment transport by dam break flows.
Speaker: Professor Tom Baldock (School of Civil Engineering, University of Queensland, Australia).
Location: Conference Room of the Andalusian Institute for Earth System Research (IISTA)
Day and time: MONDAY, September 23, 2019, at 12:30 pm.
Overview:
Swash rebasing experiments and theory are discussed, focusing on the work of Peregrine and Williams (J. Fluid Mech., 2001). Data for monochromatic, solitary waves and solitary bores are presented and compared with theory. Analogies to dam-break flows are also discussed. Different models of overtopping are reconciled in terms of the volumetric flow in the incident wave and the vertical scale is explained from simple hydrodynamic swash theory.
The flow behavior at the leading edge of a viscous swash front wave is illustrated, showing a flow convergence that is relevant to bed shear stress and debris accumulation at the leading edge of dam-break and tsunami flows.
The empirical transport relationships of Bagnold (1980, 1986) are reviewed, and the transport rate dependence of grain size is deduced by dimensional analysis and compared with experimental