Abstract

We investigate the global well-posedness and the global attractors of the solutions for the Higher-order Kirchhoff-type wave equation with nonlinear strongly damping: . For strong nonlinear damping σ and ?, we make assumptions (H1) - (H4). Under of the proper assume, the main results are existence and uniqueness of the solution in proved by Galerkin method, and deal with the global attractors.

Highlights

  • IntroductionWe consider the following Higher-order Kirchhoff-type equation:. where m > 1 is an integer constant, and Ω is a bounded domain of Rn , with a smooth dirichlet boundary ∂Ω and initial value

  • We consider the following Higher-order Kirchhoff-type equation:( ) ( ) utt + σ ∇mu 2 (−∆)m ut + φ ∇mu 2= (−∆)m u f ( x),( x,t ) ∈ Ω ×[0, +∞), (1.1) u ( x,=t ) 0, ∂∂νi=ui 0=, i m −1, x ∈ ∂Ω, t (0, +∞) (1.2)

  • We study the global attractor of the solution for Higher-order Kirchhofftype equations

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Summary

Introduction

We consider the following Higher-order Kirchhoff-type equation:. where m > 1 is an integer constant, and Ω is a bounded domain of Rn , with a smooth dirichlet boundary ∂Ω and initial value. ( ) ( ) tractors in natural energy sp= ace H H1 RN × L2 RN in critical nonlinearity case On this basis, they investigated the global well-posedness and the longtime dynamics of the Kirchhoff equation with fractional damping and supertical nonlinearity [3]:. On the basis of Igor Chueshov, we investigate the global attractor of the higher-order Kirchhoff-type Equation (1.1) with strong nonlinear damping. Such problems have ( ) been studied by many authors, but σ ∇mu 2 is a definite constant and even ( ) σ ∇mu 2 = 0. At last, according to define, we obtain to the existence of the global attractor

Preliminaries
The Existence and Uniqueness of Solution
Global Attractor
Conclusion

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