Existence and Blow-up of Smooth Solutions for Cahn-Hilliard Equation with Inertial Term

被引:0
|
作者
丁蓉 [1 ]
吴志刚 [1 ]
机构
[1] College of Science ,Donghua University
基金
中国国家自然科学基金;
关键词
Cahn-Hilliard equation with inertial term; existence; blow-up;
D O I
10.19884/j.1672-5220.2019.04.013
中图分类号
O175 [微分方程、积分方程]; O381 [爆震(爆轰)理论];
学科分类号
070104 ; 08 ; 0801 ;
摘要
The motivation of this paper is to systematically study how the inertial term affects the behavior of the solution of the Cahn-Hilliard equation. When there is an inertial term, the equation becomes a parabolic-hyperbolic one. To overcome the difficulties from large perturbation and the hyperbolicity, a few elaborate energy estimates should be given, which are based on choosing suitable space of the smooth solution, even some inequalites in negative Sobolev space. More precisely, for 1-dimensional(1D) non-viscous case and 1D, 2D, and 3D viscous case, the global existence of the smooth solutions are given. Moreover, several blow-up results are established by using the convex method. The results exhibit the interplay between the viscosity and the inertial term for the behavior of the smooth solution.
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页码:413 / 420
页数:8
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