我们使用人工边界条件方法来克服这一困难。
We use the artificial boundary condition method to overcome this difficulty.
讨论了求解无限区域内波动方程的人工边界条件问题。
We consider the problem of constructing artificial boundary conditions for the wave equation.
利用简单而方便的直接差分方法构造了两个新的人工边界条件。
Two new boundary conditions are presented directly by a difference approximation.
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