2023
DOI: 10.2166/hydro.2023.312
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Preserving stationary discontinuities in two-layer shallow water equations with a novel well-balanced approach

Majid Akbari,
Bahareh Pirzadeh

Abstract: This paper proposes a novel energy-balanced numerical scheme for the two-layer shallow water equations (2LSWEs) that accurately captures internal hydraulic jumps without introducing spurious oscillations. The proposed scheme overcomes the problem of post-shock oscillations in the 2LSWE, a phenomenon commonly observed in numerical solutions of non-linear hyperbolic systems when shock-capturing schemes are used. The approach involves reconstructing the internal momentum equation of 2LSWEs using the correct Hugon… Show more

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