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We study the shock structure and the sub-shocks formation in a binary mixtureof rarefied polyatomic gases, considering the dissipation only due to thedynamic pressure. We classify the regions depending on the concentration andthe Mach number for which there may exist the sub-shock in the profile of shockstructure in one or both constituents or not for prescribed values of the massratio of the constituents and the ratios of the specific heats. We compare theregions with the ones of the corresponding mixture of Eulerian gases and weperform the numerical calculations of the shock structure for typical casespreviously classified and confirm whether sub-shocks emerge.

Effect of the dynamic pressure on the shock structure and sub-shocks formation in a mixture of polyatomic gases