Abstract
Let φ nj be a nonstationary discrete shock wave of the Lax-Friedrichs scheme to a hyperbolic system of conservation laws, andu oj be a perturbation of φ oj . We study the asymptotic behavior of the discrete solution u nj of the Lax-Friedrichs scheme with initial datau oj . Without the restriction of zero total perturbation, we prove that if the strength of the shock is small and the perturbation is small too, then on the even mesh u nj − φ nj (ξ′) tends to zero in thel 2 norm asn → ∞, where φ nj (ξ′) is a shifted discrete shock wave. This result on the odd mesh is the same with respect to another discrete shock wave.
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Ying, La. Asymptotic stability of discrete shock waves for the Lax-Friedrichs scheme to hyperbolic systems of conservation laws. Japan J. Indust. Appl. Math. 14, 437–468 (1997). https://doi.org/10.1007/BF03167392
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DOI: https://doi.org/10.1007/BF03167392