The governing equations represented by the general convection diffusion forms are discretized using the finite control volume method.

控制方程采用通用的对流扩散方程并利用有限控制容积法离散。

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To eliminate the difficulty in dealing with convection terms, an exponential transformation function is introduced to turn the CDE into their equivalent diffusion-reaction equations (DRE).

引入指数函数，将对流扩散方程变换为扩散反应方程，消除了数值求解中较难处理的对流项。

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