E3S Web of Conferences (Jan 2018)

Combined Influence of Terrain Modell and Roughness in Dam Break Wave Simulation

  • Bornschein Antje

DOI
https://doi.org/10.1051/e3sconf/20184006026
Journal volume & issue
Vol. 40
p. 06026

Abstract

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Dam break wave simulation provides data for emergency management. The calculation results should be as accurate as possible. The modeler has to deal with different sources of uncertainty. The paper presents dam break calculation for three different dams in order to assess the uncertainty due to the chosen model (1D or 2D), different terrain models and different Manning's n values. The comparison of the calculation results is focused on the maximum discharge, maximum water level and flood wave arrival time.