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Volume 19 Issue 4
Aug.  2006
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Article Contents
YANG Ning, MOU Peihong. Existence and Blowing-up of Solution of Wave Equation[J]. Journal of Southwest Jiaotong University, 2006, 19(4): 533-536.
Citation: YANG Ning, MOU Peihong. Existence and Blowing-up of Solution of Wave Equation[J]. Journal of Southwest Jiaotong University, 2006, 19(4): 533-536.

Existence and Blowing-up of Solution of Wave Equation

  • Received Date: 09 May 2005
  • Publish Date: 25 Aug 2006
  • The global existence of solution to the initial-boundary value problem of a nonlinear fourth-order wave equation with a damping term and a force source term was proved based on the standard semigroup theory and by introducing a modified energy function.The effects of nonlinear damping and force source term on blowing-up of the solution were analyzed with an energy-compensation method.The solution blows up in finite time under initial energy that is negative enough.The upper bound of life span for the solution was obtained.

     

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  • TODOROVA G.Cauchy problem for a nonlinear wave equation with nonlinear damping and source terms[J].Nonlinear Analysis,2000,41:891-905.[2] TODOROVA G.GEORGIEV V.Existense of a solution of the wave equation with nonlinear damping and source terms[J].J.Diff.Eqa.,1994,109:295-308.[3] LEVANDOSKY S P.Decay estimaes for fourth-order wave equations[J].J.Diff.Eqa.,1998,143:360-413.[4] Adams R A.索伯列夫空间[M].叶其孝译.北京:人民教育出版社,1981:30-50.
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