| 非定常对流扩散方程的新型差分格式 |
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| 引用本文： | 肖建英,刘小华,李永涛.非定常对流扩散方程的新型差分格式[J].河南科学,2010,28(5):518-520. |
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| 作者姓名： | 肖建英 刘小华 李永涛 |
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| 作者单位： | 1. 西南石油大学,理学院,成都,610500
2. 西南石油大学,化学化工学院,成都,610500 |
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| 摘 要： | 针对对流扩散方程,与传统的典型差分方法对比,给出一种新型差分格式的待定系数法,并进行稳定性和截断误差分析,所得的格式精度高且绝对稳定.
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| 关 键 词： | 对流 扩散 差分 高精度 |
New Difference Scheme for the Unsteady Convection Diffusion Equation |
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| Xiao Jianying,Liu Xiaohua,Li Yongtao.New Difference Scheme for the Unsteady Convection Diffusion Equation[J].Henan Science,2010,28(5):518-520. |
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| Authors: | Xiao Jianying Liu Xiaohua Li Yongtao |
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| Institution: | 1. College of Science, Southwest Petroluem University, Chengdu 610500, China ;2. College of Chemistry and Chemical Engineering, Southwest Petroluem University, Chengdu 610500, China) |
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| Abstract: | Taking one-demenional convection diffusion equation as the object of study,a difference scheme of under-mined coefficients was given. Then analyzed its stability and truncation error. The new scheme with highprecision was absolutly stable. |
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| Keywords: | convection diffusion difference scheme high-precision |
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