Abstract
The problem of sub-shock formation within a shock structure solution of hyperbolic systems of balance laws is investigated for a binary mixture of multi-temperature Eulerian fluids. The main purpose of this work is the analysis of the ranges of Mach numbers characterizing shock-structure solutions with different features, continuous or not, and to show the existence of ranges, below the maximum unperturbed characteristic velocity, for which each constituent of the mixture may develop a sub-shock within a smooth shock structure profile. The theoretical results are supported by numerical calculations.
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Acknowledgments
This work has been supported by GNFM/INdAM Young Researchers Project 2014 ‘Subshock formation in gas mixtures’ (PI: F. Conforto); GNFM/INdAM Young Researchers Project 2015 ‘An Eulerian/Lagrangian model for combustion fronts’ (PI: A. Mentrelli) and by University of Bologna FARB 2012 Project ‘Extended Thermodynamics of Non-Equilibrium Processes from Macro- to Nano-Scale’ (PI: T. Ruggeri).
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Conforto, F., Mentrelli, A. & Ruggeri, T. Shock structure and multiple sub-shocks in binary mixtures of Eulerian fluids. Ricerche mat 66, 221–231 (2017). https://doi.org/10.1007/s11587-016-0299-3
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DOI: https://doi.org/10.1007/s11587-016-0299-3