Comparing with the classic finite element method, WPIM belongs to a half analytical method, it is not sensitive to the time step, so this is helpful to improve the computational efficient.
与传统的有限元方法相比，本文方法属于半解析方法，对时间步长不敏感，可有效提高计算效率。
A new numerical method on rill erosion model was proposed by combining the wavelet collocation method with the precise integration method, which is called wavelet precise integration method (WPIM).
将小波配置方法和精细积分方法相结合，提出了一种对水土侵蚀模型进行数值分析的新方法——小波精细积分法。
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