把表面张力的能量当作高阶小量、导出了非传播孤立波的基本方程，得到的解与实验结果相符。
The contradictory between experiments and theory about the effect of the surface tension on the non-propagating soliton was discussed in this article.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程，并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
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