| 土壤多孔介质中的一维非线性吸附平流-弥散方程的差分解法 |
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| 引用本文： | 席永慧.土壤多孔介质中的一维非线性吸附平流-弥散方程的差分解法[J].吉林农业科学,2011,36(1). |
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| 作者姓名： | 席永慧 |
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| 作者单位： | 同济大学建筑工程系,上海,200092 |
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| 基金项目： | 上海市城乡建设和交通委员会项目，国家自然科学基金青年基金 |
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| 摘 要： | 研究了一维非线性吸附平流-弥散方程的解问题,用差分方法对Frenndlich吸附模式下的一维平流-弥散方程进行了数值求解。不同吸附指数情况下、不同时间、不同屏障位置上的浓度结果表明:用差分方法求解一维非线性吸附平流-弥散方程,得到的数值结果是合理的,差分格式是收敛的。
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| 关 键 词： | 非线性吸附 平流-弥散方程 Frenndlich吸附模式 差分方法 |
Differential Analysis of One-Dimensional Nonlinear Advection-Diffusion Equation |
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| XI Yong-hui.Differential Analysis of One-Dimensional Nonlinear Advection-Diffusion Equation[J].Jilin Agricultural Sciences,2011,36(1). |
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| Authors: | XI Yong-hui |
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| Institution: | XI Yong-hui (Department of Building Engineering,Tongji University,Shanghai 200092,China) |
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| Abstract: | The solution to one-dimensional nonlinear advection-diffusion equation was analyzed in the paper.The numerical solution to one-dimensional nonlinear advection-diffusion equation under Frendlich isotherm was obtained through differential method.The results of concentration at different adsorption indexes,different time and different places in a barrier showed that differential methods used in this paper to solve one-dimensional nonlinear advection-diffusion equation were feasible,and the differential form wa... |
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| Keywords: | Nonlinear sorption Advection-diffusion equation Frendlichisotherm Differential method |
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