Compressible Navier–Stokes equations without heat conduction in $$L^p$$ -framework

Juanzi Cai, Zhigang Wu, Mengqian Liu
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Abstract

In this paper, we mainly consider global well-posedness and long time behavior of compressible Navier–Stokes equations without heat conduction in \(L^p\)-framework. This is a generalization of Peng and Zhai (SIMA 55(2):1439–1463, 2023), where they obtained the corresponding result in \(L^2\)-framework. Based on the key observation that we can release the regularity of non-dissipative entropy S in high frequency in Peng and Zhai (2023), we ultimately achieve the desired \(L^p\) estimate in the high frequency via complicated calculations on the nonlinear terms. In addition, we get the \(L^p\)-decay rate of the solution.

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在 $$L^p$$ 框架内无热传导的可压缩 Navier-Stokes 方程
在本文中,我们主要考虑在 \(L^p\)-framework 中无热传导的可压缩 Navier-Stokes 方程的全局好摆性和长时间行为。这是 Peng 和 Zhai(SIMA 55(2):1439-1463, 2023)在 \(L^2\) 框架下得到的相应结果的推广。基于彭和翟(2023)中的关键观察,我们可以在高频下释放非耗散熵 S 的正则性,通过对非线性项的复杂计算,我们最终在高频下得到了所需的\(L^p\)估计值。此外,我们还得到了解的\(L^p\)-衰减率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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