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Low Dissipation Entropy Fix for Positivity Preserving Roe's Scheme

Marica Pelanti 1 Luigi Quartapelle 2 Luigi Vigevano 2
1 ENSTA Paris - École Nationale Supérieure de Techniques Avancées
2 POLIMI - Politecnico di Milano [Milan]
Abstract : We present a general formulation for the entropy fix which encompasses both Harten and Hyman entropy fixes and HLLE/M schemes. Such a formulation is found to be a simple tool for benefitting from the properties of different methods so as to obtain a positivity preserving version of entropy fix with low dissipation.
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Conference papers
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https://hal-ensta-paris.archives-ouvertes.fr//hal-01342948
Contributor : Marica Pelanti <>
Submitted on : Thursday, July 7, 2016 - 10:49:20 AM
Last modification on : Tuesday, August 13, 2019 - 11:10:03 AM

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  • HAL Id : hal-01342948, version 1

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Marica Pelanti, Luigi Quartapelle, Luigi Vigevano. Low Dissipation Entropy Fix for Positivity Preserving Roe's Scheme. Godunov Methods: Theory and Applications, 1999, Oxford, United Kingdom. ⟨hal-01342948⟩

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