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Discussion on 'Dam break in rectangular channels with different upstream-downstream widths'

Abstract : Discussion on the publication 'Dam break in rectangular channels with different upstream-downstream widths' (Valiani and Caleffi, 2019). The authors consider an augmented shallow water system for modelling the dam-break problem in a channel with discontinuous width and present its analytical solutions depending on the upstream-downstream water depth and channel's width ratios. In this discussion we contest the conservation of the hydraulic head through the width's discontinuity, which is stated by the authors, and we exemplify it by performing 2D Shallow water simulations reproducing some test cases presented in the paper.
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https://hal.inria.fr/hal-02426968
Contributor : Joao Guilherme Caldas Steinstraesser Connect in order to contact the contributor
Submitted on : Friday, January 3, 2020 - 9:09:39 AM
Last modification on : Friday, October 22, 2021 - 2:54:03 PM
Long-term archiving on: : Monday, April 6, 2020 - 6:12:10 PM

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  • HAL Id : hal-02426968, version 1
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V. Guinot, Joao Guilherme Caldas Steinstraesser, Antoine Rousseau. Discussion on 'Dam break in rectangular channels with different upstream-downstream widths'. 2020. ⟨hal-02426968⟩

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