The interface coupling of the gas dynamics equations
Christophe Chalons, Pierre-Arnaud Raviart, Nicolas Seguin
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Source: Crossref
Published: Oct 1, 2008
DOI: 10.1090/s0033-569x-08-01087-x
Open original source ↗Source abstract
We investigate the one-dimensional coupling of two systems of gas dynamics at a fixed interface. The coupling constraints consist in requiring the continuity of a system of nonconservative variables at the interface. Since we are dealing with hyperbolic systems, weak coupling conditions are proposed. The existence and the uniqueness of the solutions of the coupled Riemann problem are investigated. Several examples of solutions satisfying the weak coupling conditions are contructed, either continuous or discontinuous with respect to the nonconservative variables at the interface.
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