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Global Well-Posedness and Decay Rates for the Three-Dimensional Compressible Phan-Thein–Tanner Model
Journal of Mathematical Fluid Mechanics ( IF 1.2 ) Pub Date : 2021-06-16 , DOI: 10.1007/s00021-021-00599-7
Ruiying Wei , Yin Li , Zheng-an Yao

In this paper, we are concerned with the global well-posedness and decay rates of strong solutions for the three-dimensional compressible Phan-Thein–Tanner model. We prove that this set of equations admits a unique global strong solution provided the initial data are close to the constant equilibrium state in \(H^3\)-framework. Moreover, if the initial data belong to \(L^{1}\), the convergence rates of the higher-order spatial derivatives of the solution are obtained by combining the decay estimates for the linearized equations and the Fourier splitting method.



中文翻译:

三维可压缩 Phan-Thein-Tanner 模型的整体适中性和衰减率

在本文中,我们关注三维可压缩 Phan-Thein-Tanner 模型强解的全局适定性和衰减率。我们证明,如果初始数据接近\(H^3\)框架中的恒定平衡状态,则这组方程允许唯一的全局强解。此外,如果初始数据属于\(L^{1}\),则通过结合线性化方程的衰减估计和傅立叶分裂方法,可以获得解的高阶空间导数的收敛速度。

更新日期:2021-06-17
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