Abstract
The global existence and the asymptotic behavior of an entropy weak solution with one shock discontinuity, on spatial bounded domain are investigated in the present paper. We show that, for small smooth initial data and fixed boundary with one small jump at(x t) = (0, 0), the piecewise smooth solution with one shock discontinuity exists globally in time. The shock discontinuity starts from(xt) = (0, 0), moves forward and reflects in finite time at the boundaryx = 1 to form a 1—shock, which goes backward and reflects atx = 0 also in finite time to create a new 2—shock. Such process will never stop in any finite time. As t→∞, the shock strength decays exponentially and this solution converges to a constant state determined by the initial data.
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Hsiao, L., Li, H. (2001). Asymptotic Behavior of Entropy Weak Solution for Hyperbolic System with Damping. In: Freistühler, H., Warnecke, G. (eds) Hyperbolic Problems: Theory, Numerics, Applications. ISNM International Series of Numerical Mathematics, vol 141. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-8372-6_7
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DOI: https://doi.org/10.1007/978-3-0348-8372-6_7
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