Journal
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
Volume 33, Issue 11, Pages 1317-1330Publisher
WILEY
DOI: 10.1002/mma.1248
Keywords
delta shock wave; measure solution; transport equations; Euler equations; the magnetohydrodynamics equations; Riemann problem; hyperbolic conservation laws
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Funding
- National Natural Science Foundation of China [10901077]
- China Postdoctoral Science Foundation [20090451089]
- Ludong University
- Chinese Academy of Sciences and National Natural Science Foundation of China [10871199]
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This paper is concerned with the limit relations from the Euler equations of one-dimensional compressible fluid flow and the magnetohydrodynamics equations to the simplified transport equations, where the delta-shock waves occur in their Riemann solutions of the latter two equations. The objective is to prove that the Riemann solutions of the perturbed equations coming from the one-dimensional simplified Euler equations and the magnetohydrodynamics equations converge to the corresponding Riemann solutions of the simplified transport equations as the perturbation parameterx epsilon tends to zero. Furthermore, the result can also be generalized to more general situations. Copyright (C) 2009 John Wiley & Sons, Ltd.
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