On \begin{document}$ L^1 $\end{document} estimates of solutions of compressible viscoelastic system
2021
We consider the large time behavior of solutions of compressible viscoelastic system around a motionless state in a three-dimensional whole space. We show that if the initial data belongs to \begin{document}$ W^{2,1} $\end{document} , and is sufficiently small in \begin{document}$ H^4\cap L^1 $\end{document} , the solutions grow in time at the same rate as \begin{document}$ t^{\frac{1}{2}} $\end{document} in \begin{document}$ L^1 $\end{document} due to diffusion wave phenomena of the system caused by interaction between sound wave, viscous diffusion and elastic wave.
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