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Pressure-velocity equilibrium hydrodynamic models. (English) Zbl 1240.35397
Summary: This article describes mathematical models for phase separated mixtures of materials that are in pressure and velocity equilibrium but not necessarily temperature equilibrium. General conditions for constitutive models for such mixtures that exhibit a single mixture sound speed are discussed and specific examples are described.

MSC:
35Q31 Euler equations
76N15 Gas dynamics (general theory)
76A02 Foundations of fluid mechanics
76J20 Supersonic flows
76L05 Shock waves and blast waves in fluid mechanics
76T30 Three or more component flows
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