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本文提出了用具有工程实用价值的透射边界替换通用程序FLUSH中－致边界的方法。通过实例证明，二阶透射边界与一致边界具有相当的精度。改进后的程序WMNS－Fl比FLUSH具有更高的计算效率和实用性。
In this paper, we propose a method to replace the generalized FLUSH-induced boundary by a transmissible boundary with engineering practical value. It is proved by examples that the second-order transmission boundary has the same precision as the uniform boundary. Improved program WMNS-Fl FLUSH has a higher computational efficiency and practicality.