IMPES method is used to convert the mathematical model into a numerical model for an implicit solution of pressure and an explicit solution of saturation.

应用i MPES方法将数学模型转换为隐式求解压力、显式求解饱和度的数值模型。

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It does not only have characteristics of semi-implicit to obtain saturation, but also keep advantages of IMPES which saves memory and calculating workload...

它既具有半隐式求解饱和度的特点，又保留了IMPES方法省内存，省计算工作量的优势。

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