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

Author

Listed:
  • Sara Venturi

    (University of Perugia)

  • Silvia Di Francesco

    (Niccolò Cusano University)

  • Martin Geier

    (TU Braunschweig)

  • Piergiorgio Manciola

    (University of Perugia)

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.

Suggested Citation

  • Sara Venturi & Silvia Di Francesco & Martin Geier & Piergiorgio Manciola, 2021. "Modelling flood events with a cumulant CO lattice Boltzmann shallow water model," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 105(2), pages 1815-1834, January.
    • Handle: RePEc:spr:nathaz:v:105:y:2021:i:2:d:10.1007_s11069-020-04378-x
    DOI: 10.1007/s11069-020-04378-x
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    References listed on IDEAS

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    1. Ahad Zarghami & Silvia Di Francesco & Chiara Biscarini, 2014. "Porous Substrate Effects On Thermal Flows Through A Rev-Scale Finite Volume Lattice Boltzmann Model," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 25(02), pages 1-21.
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