吉林大学学报(理学版)

• 数学 • 上一篇    下一篇

具非线性阻尼项和源函数项双曲方程解爆破时间的下界估计

孙爱慧1, 曹春玲2   

  1. 1. 吉林师范大学 数学学院, 吉林 四平 136000; 2. 吉林大学 数学学院, 长春 130012
  • 收稿日期:2014-07-14 出版日期:2014-11-26 发布日期:2014-12-11
  • 通讯作者: 孙爱慧 E-mail:sunaihui2002@126.com

Lower Bound Estimation for the Blowup Time of Solutions to aClass of Nonlinear Damped Hyperbolic Equations with Sources

SUN Aihui1, CAO Chunling2   

  1. 1. College of Mathematics, Jilin Normal University, Siping 136000, Jilin Province, China;2. College of Mathematics, Jilin University, Changchun 130012, China
  • Received:2014-07-14 Online:2014-11-26 Published:2014-12-11
  • Contact: SUN Aihui E-mail:sunaihui2002@126.com

摘要:

考虑双曲方程初边值问题解的性质. 利用能量估计方法和Sobolev嵌入不等式, 给出一个具非线性阻尼项和源函数项双曲方程解爆破时间的下界估计.

关键词: 阻尼项, 非线性源, 双曲方程, 爆破时间, 下界估计

Abstract:

The authors studied the properties of solutions for the initial boundary value problem to a hyperbolic equation and obtained a lower bound estimation of blow up time for a class of nonlinear damped hyperbolic equations with sources by using the method of energy estimate and Sobolev embedding inequalities.

Key words: damped term, nonlinear sources, hyerbolic equations, blowup time, lower bound estimation

中图分类号: 

  • O175.8