Global strong solution for 3D compressible heat-conducting magnetohydrodynamic equations revisited
Global strong solution for 3D compressible heat-conducting magnetohydrodynamic equations revisited
复制标题
重新审视 3D 可压缩导热磁流体动力学方程的全局强解
DOI:
10.1016/j.jde.2022.07.029
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发表时间:
2022-01
影响因子:
2.4
通讯作者:
Xin Zhong
中科院分区:
文献类型:
--
作者:
Yang Liu;Xin Zhong
We revisit the 3D Cauchy problem of compressible heat-conducting magnetohydrodynamic equations with vacuum as far field density. By delicate energy method, we derive global existence and uniqueness of strong solutions provided that (‖ ρ 0‖ L∞+ 1)[‖ ρ 0‖ L 3+(‖ ρ 0‖ L∞+ 1) 2 (‖ ρ 0 u 0‖ L 2 2+‖ b 0‖ L 2 2)][‖∇ u 0‖ L 2 2+(‖ ρ 0‖ L∞+ 1)(‖ ρ 0 E 0‖ L 2 2+‖∇ b 0‖ L 2 2)] is properly small. In particular, the smallness condition is independent of any norms of the initial data. This work improves our previous results [17],[18].
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