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On the degenerate Cahn–Hilliard equation: Global existence and entropy estimates of weak solutions
Asymptotic Analysis ( IF 1.1 ) Pub Date : 2020-07-31 , DOI: 10.3233/asy-191563
Wu Jihui 1 , Wang Shu 2
Affiliation  

In this paper, we consider a class of the degenerate Cahn–Hilliard equation with a smooth double-well potential. By applying a semi-discretization technique and asymptotic analysis method on non-degenerate Cahn–Hilliard equation, we obtain the existence and regularity of weak solutions to the Cahn–Hilliard equation with degenerate mobility. Moreover, we define a new entropy and obtain the global entropy estimates.

中文翻译:

关于退化的Cahn–Hilliard方程:弱解的整体存在性和熵估计

在本文中,我们考虑了一类具有光滑双阱势的简并Cahn-Hilliard方程。通过对非退化的Cahn-Hilliard方程应用半离散化技术和渐近分析方法,我们获得了具有退化迁移率的Cahn-Hilliard方程的弱解的存在性和正则性。此外,我们定义了一个新的熵并获得了全局熵估计。
更新日期:2020-08-01
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