Abstract
We consider the initial-boundary value problem for a 2-speed system of first-order nonhomogeneous semilinear hyperbolic equations whose leading terms have a small positive parameter. Using energy estimates and a compactness lemma, we show that the diffusion limit of the sum of the solutions of the hyperbolic system, as the parameter tends to zero, verifies the nonlinear parabolic equation of the p-Laplacian type.
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Communicated by Andreas Öchsner.
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Miyoshi, H., Tsutsumi, M. Diffusive limits of nonlinear hyperbolic systems with variable coefficients. Continuum Mech. Thermodyn. 28, 1583–1599 (2016). https://doi.org/10.1007/s00161-016-0497-y
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DOI: https://doi.org/10.1007/s00161-016-0497-y