Global existence of solutions and energy decay for a Kirchhoff-type equation with nonlinear dissipation

被引:3
|
作者
Ye, Yaojun [1 ]
机构
[1] Zhejiang Univ Sci & Technol, Dept Math & Informat Sci, Hangzhou 310023, Zhejiang, Peoples R China
关键词
nonlinear Kirchhoff-type equation; initial boundary value problem; stable set; energy decay estimate; HYPERBOLIC-EQUATIONS; LOCAL SOLUTIONS; WAVE-EQUATIONS;
D O I
10.1186/1029-242X-2013-195
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
This paper deals with the initial boundary value problem for a class of nonlinear Kirchhoff-type equation with dissipative term u(tt) - phi(parallel to del u parallel to(2)(2))Delta u + a vertical bar u(t)vertical bar(alpha-2)u(t) = b vertical bar u vertical bar(beta-2)u, x is an element of Omega, t > 0 in a bounded domain, where a, b > 0 and alpha, beta > 2 are constants. We obtain the global existence of solutions by constructing a stable set in H-0(1)(Omega) and show the energy decay estimate by applying a lemma of Komornik.
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页数:10
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