KMS Of Academy of mathematics and systems sciences, CAS
Heat Equation with Memory in Anisotropic and Non-Homogeneous Media | |
Yong, Jiongmin1; Zhang, Xu2,3 | |
2011-02-01 | |
发表期刊 | ACTA MATHEMATICA SINICA-ENGLISH SERIES |
ISSN | 1439-8516 |
卷号 | 27期号:2页码:219-254 |
摘要 | A modified Fourier's law in an anisotropic and non-homogeneous media results in a heat equation with memory, for which the memory kernel is matrix-valued and spatially dependent. Different conditions on the memory kernel lead to the equation being either a parabolic type or a hyperbolic type. Well-posedness of such a heat equation is established under some general and reasonable conditions. It is shown that the propagation speed for heat pulses could be either infinite or finite, depending on the different types of the memory kernels. Our analysis indicates that, in the framework of linear theory, heat equation with hyperbolic kernel is a more realistic model for the heat conduction, which might be of some interest in physics. |
关键词 | Heat equation with memory anisotropic and non-homogeneous media well-posedness propagation speed |
DOI | 10.1007/s10114-010-0077-1 |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[10831007] ; National Natural Science Foundation of China[60821091] ; National Natural Science Foundation of China[60974035] ; National Basic Research Program of China (973 Program)[2011CB808002] ; Spanish Ministry of Science and Innovation[MTM2008-03541] |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied ; Mathematics |
WOS记录号 | WOS:000286122700001 |
出版者 | SPRINGER HEIDELBERG |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/12360 |
专题 | 中国科学院数学与系统科学研究院 |
通讯作者 | Yong, Jiongmin |
作者单位 | 1.Univ Cent Florida, Dept Math, Orlando, FL 32816 USA 2.Chinese Acad Sci, Key Lab Syst & Control, Acad Math & Syst Sci, Beijing 100190, Peoples R China 3.Sichuan Univ, Yangtze Ctr Math, Chengdu 610064, Peoples R China |
推荐引用方式 GB/T 7714 | Yong, Jiongmin,Zhang, Xu. Heat Equation with Memory in Anisotropic and Non-Homogeneous Media[J]. ACTA MATHEMATICA SINICA-ENGLISH SERIES,2011,27(2):219-254. |
APA | Yong, Jiongmin,&Zhang, Xu.(2011).Heat Equation with Memory in Anisotropic and Non-Homogeneous Media.ACTA MATHEMATICA SINICA-ENGLISH SERIES,27(2),219-254. |
MLA | Yong, Jiongmin,et al."Heat Equation with Memory in Anisotropic and Non-Homogeneous Media".ACTA MATHEMATICA SINICA-ENGLISH SERIES 27.2(2011):219-254. |
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