Convergence rates to the Barenblatt solutions for the compressible Euler equations with time-dependent damping
Journal of Differential Equations, ISSN: 0022-0396, Vol: 374, Page: 761-788
2023
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Article Description
In this paper, we are concerned with the asymptotic behavior of L∞ weak entropy solutions for the compressible Euler equations with time-dependent damping and vacuum for any large initial data. This model describes the motion for the compressible fluid through a porous medium, and the friction force is time-dependent. We obtain that the density converges to the Barenblatt solution of a well-known porous medium equation with the same finite initial mass in L1 decay rate when 1+52<γ≤2,0≤λ<γ2−γ−1γ2+γ−1 or γ≥2,0≤λ<12γ+1 which partially improves and extends the previous work [14,6]. The proof is mainly based on the detailed analysis of the relative weak entropy, time-weighted energy estimates and the iterative method.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0022039623005831; http://dx.doi.org/10.1016/j.jde.2023.08.034; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85171844958&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0022039623005831; https://dx.doi.org/10.1016/j.jde.2023.08.034
Elsevier BV
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