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三维空间瞬时点源超常扩散模型的解 被引量:1

THE SOLUTION OF ANOMALOUS DIFFUSION MODEL WITH FRACTIONAL ORDER CAUSED BY AN INSTANTANEOUS POINT SOURCE IN 3-DIMENSIONAL SPACE
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摘要 利用解的时空相似性、质量守恒条件、Mellin变换以及Fox函数理论 ,对于三维空间中瞬时点源引起的分数阶超常扩散模型 。 The analytic expression and the asymptotic properties for the concentration distribution of the anomalous diffusion with fractional order caused by a instantaneous point source in 3-dimmentional space are obtained by means of the time-space similarity for the solution,the law of conservation of mass,Mellin transform and the properties of Fox functions.
出处 《山东大学学报(理学版)》 CAS CSCD 北大核心 2002年第1期1-4,11,共5页 Journal of Shandong University(Natural Science)
基金 教育部博士点基金资助项目 ( 19990 42 2 11) .
关键词 三维空间 瞬时点源 超常扩散模型 分数阶导数 Fox函数 Mellin变换 分数阶偏微分方程 解析表达式 渐近性质 anomalous diffusion fractional derivative Fox function Mellin transform
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参考文献8

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