定常1次元拡散問題に対する二つの修正数値解法に関するコメント
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概要
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A comment on the two modified numerical methods proposed by Yamada <I>et al</I>. is described. They proposed these methods under an understanding that Takatas central finite-difference method could not give a stable solution at higher Peclet numbers. But this understanding is questionable from the viewpoint of the authors published results, because they fixed a space increment for numerical calculation at 0.05 only and took no account of the significant effect of the space increment on the accuracy of numerical values. It is actually shown that Takatas method can give much more stable solutions than Yamadas two modified methods when the space increment is set at 0.01, even at a high Peclet number as high as 100.
- 社団法人 化学工学会の論文