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Decay estimates of the smooth solution to the compressible magnetohydrodynamic equations on T3
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2021-04-12 , DOI: 10.1016/j.jde.2021.04.010
Limei Zhu , Ruizhao Zi

Consider the time decay rates of the smooth solution to the compressible MHD system on T3. It is shown that if the density ρ is uniformly bounded from up and below, and the L6 norm of the magnetic H is uniformly bounded, then all derivatives of the smooth solution to the compressible MHD system decay exponentially fast to the equilibrium. Furthermore, we construct a global smooth solution obeying these decay rates with small energy but possibly large oscillations.



中文翻译:

可压缩磁流体动力方程光滑解的衰减估计。 Ť3

考虑可压缩MHD系统的光滑解的时间衰减率 Ť3。结果表明,如果密度ρ从上到下均匀地有界,则大号6H的范数是均匀有界的,那么光滑方程组到可压缩MHD系统的所有导数都会快速衰减到平衡。此外,我们构造了一个全局平滑解,以较小的能量但可能较大的振动服从这些衰减率。

更新日期:2021-04-12
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