In this paper,Cauchy problem of viscous Cahn-Hilliard equation with inertial term in multi-space dimension is considered.Based on the detailed analysis of Green function,using fixed point theorem,we get the global in-...In this paper,Cauchy problem of viscous Cahn-Hilliard equation with inertial term in multi-space dimension is considered.Based on the detailed analysis of Green function,using fixed point theorem,we get the global in-time existence of classical solution.Furthermore,we get Lp decay rate of the solution.展开更多
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-hyperbol...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.展开更多
Cauchy problem of Cahn-Hilliard equation with inertial term in three-dimensional space is considered.Using delicate analysis of its Green function and its convolution with nonlinear term,pointwise decay rate is obtained.
基金Supported by the National Natural Science Foundation of China(11571092)
文摘In this paper,Cauchy problem of viscous Cahn-Hilliard equation with inertial term in multi-space dimension is considered.Based on the detailed analysis of Green function,using fixed point theorem,we get the global in-time existence of classical solution.Furthermore,we get Lp decay rate of the solution.
基金National Natural Science Foundation of China(No.11971100)Fundamental Research Funds for the Central Universities,China(No.2232019D3-43)
文摘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.
基金Supported by the National Natural Science Foundation of China(11801137)。
文摘Cauchy problem of Cahn-Hilliard equation with inertial term in three-dimensional space is considered.Using delicate analysis of its Green function and its convolution with nonlinear term,pointwise decay rate is obtained.
