一类具非线性二阶边界条件的波动方程衰减率

摘要

The global decay rate of solution for a class of wave equation with nonlinear second-order boundary condi-tions is further discussed by virtue of a comparison inequality and the energy perturbation method. The relationship between decay rate of the solutions and the external force f(x,t) is established.%利用一个比较不等式和能量扰动法,对一类具有非线性二阶边界条件的波动方程整体解的衰减性做进一步研究,证明了解的衰减率和外力f(x,t)之间的关系.