Modelling flood events with a cumulant CO lattice Boltzmann shallow water model

Sara Venturi, Silvia Di Francesco (), Martin Geier and Piergiorgio Manciola
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Sara Venturi: University of Perugia
Silvia Di Francesco: Niccolò Cusano University
Martin Geier: TU Braunschweig
Piergiorgio Manciola: University of Perugia

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2021, vol. 105, issue 2, No 29, 1815-1834

Abstract: Abstract In this work the development of a semiautomatic procedure based on the coupled use of a GIS subroutine and a two-dimensional hydraulic lattice Boltzmann model solving the shallow water equations is presented. A C code implementing the cumulant collision operator and a limiter velocity strategy to model the wave front on a wet–dry bed is discussed and validated against literature test cases. Finally an application to a real test case, the Malpasset dam break, is shown, highlighting the good performances of the model through a comparison with results from surveys and data from literature.

Keywords: Wet–dry; Parallel processing; Cumulant; Dam break (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11069-020-04378-x

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