一类半线性波方程解在有界区域中的爆破速率
发布时间:2018-01-11 06:19
本文关键词:一类半线性波方程解在有界区域中的爆破速率 出处:《东北师范大学》2015年硕士论文 论文类型:学位论文
【摘要】:本文主要研究半线性波方程utt一△u=|u|p-1u初边值问题解在有界区域的爆破速率.通过变换ω(s,y)=(T-t)z/p-1 u(t,x),s=1/T-t,将方程转化为另一个波方程,进而利用能量估计和爆破分析得出当指标p1时方程解的爆破速率,最后利用逆变换得到原系统的爆破速率.此外,进一步得出当或1≤N≤2,1p5时%絬和ut的爆破速率.
[Abstract]:In this paper, we study the blow-up rate of the solution of the semilinear wave equation utt u = u p-1u in a bounded region. The equation is transformed into another wave equation, and the blasting rate of the solution is obtained by energy estimation and blasting analysis. Finally, the blasting rate of the original system is obtained by inverse transformation. In addition, when 1 鈮,
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