The time asymptotic expansion for the compressible Euler equations with damping

2022/10/24 by Feimin Huang, Huang, Feimin, Xiaochun Wu +1
Computer Science · Engineering · Mathematics · #Advanced Mathematical Modeling in Engineering #Analysis of PDEs (math.AP) #Computational Fluid Dynamics and Aerodynamics #FOS: Mathematics #Navier-Stokes equation solutions

paper · pdf · doi:10.48550/arxiv.2210.13157

openalex publication_date 2022/10/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In 1992, Hsiao and Liu \citeHsiao-Liu-1 firstly showed that the solution to the compressible Euler equations with damping time-asymptotically converges to the diffusion wave ( v, u) of the porous media equation. In \citeGeng-Huang-Jin-Wu, we proposed a time-asymptotic expansion around the diffusion wave ( v, u), which is a better asymptotic profile than ( v, u). In this paper, we rigorously justify the time-asymptotic expansion by the approximate Green function method and the energy estimates. Moreover, the large time behavior of the solution to compressible Euler equations with damping is accurately characterized by the time asymptotic expansion.

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