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摘要: 讨论一维线性波动方程和非线性边界条件的关系. 证明了一类一维线性波动方程在非线性边界条件下, 存在唯一的局部解. 同时也证明了由于边界条件的非线性, 初始值只要满足一定的条件, 即使很小, 对应的解也会在有限时间 内爆破. 在证明过程中, 同时给出了爆破时间的上界.Abstract: This paper was concerned with a one-dimensional linear wave equation associated with nonlinear boundary conditions. The unique local solution to the wave equation was proved to exist. The result is that the nonlinearity at the boundary causes a finite time blow up of the solution, even for small initial data. And the upper bound to the blow up time is given in the paper
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Key words:
- wave equationlocal existenceblow up /
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