KMS Of Academy of mathematics and systems sciences, CAS
Simultaneous identification of diffusion coefficient, spacewise dependent source and initial value for one-dimensional heat equation | |
Zhao, Zhi-Xue1,2; Banda, Mapundi K.2; Guo, Bao-Zhu3,4 | |
2017-07-15 | |
发表期刊 | MATHEMATICAL METHODS IN THE APPLIED SCIENCES |
ISSN | 0170-4214 |
卷号 | 40期号:10页码:3552-3565 |
摘要 | This paper deals with an inverse problem of determining the diffusion coefficient, spacewise dependent source term, and the initial value simultaneously for a one-dimensional heat equation based on the boundary control, boundary measurement, and temperature distribution at a given single instant in time. By a Dirichlet series representation for the boundary observation, the identification of the diffusion coefficient and initial value can be transformed into a spectral estimation problem of an exponential series with measurement error, which is solved by the matrix pencil method. For the identification of the source term, a finite difference approximation method in conjunction with the truncated singular value decomposition is adopted, where the regularization parameter is determined by the generalized cross-validation criterion. Numerical simulations are performed to verify the result of the proposed algorithm. Copyright (c) 2016 John Wiley & Sons, Ltd. |
关键词 | Inverse Problem Matrix Pencil Method Finite Difference Method Truncated Singular Value Decomposition Generalized Cross-validation |
DOI | 10.1002/mma.4245 |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[11326196] ; Doctoral Fund Program of Tianjin Normal University[52XB1413] ; National Research Foundation of South Africa[93099] ; National Research Foundation of South Africa[93476] ; University of Pretoria |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied |
WOS记录号 | WOS:000402801800011 |
出版者 | WILEY |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/25711 |
专题 | 系统科学研究所 |
作者单位 | 1.Tianjin Normal Univ, Sch Math Sci, Tianjin 300387, Peoples R China 2.Univ Pretoria, Dept Math & Appl Math, ZA-0002 Pretoria, South Africa 3.Acad Sinica, Acad Math & Syst Sci, Beijing 100190, Peoples R China 4.Univ Witwatersrand, Sch Comp Sci & Appl Math, Johannesburg, South Africa |
推荐引用方式 GB/T 7714 | Zhao, Zhi-Xue,Banda, Mapundi K.,Guo, Bao-Zhu. Simultaneous identification of diffusion coefficient, spacewise dependent source and initial value for one-dimensional heat equation[J]. MATHEMATICAL METHODS IN THE APPLIED SCIENCES,2017,40(10):3552-3565. |
APA | Zhao, Zhi-Xue,Banda, Mapundi K.,&Guo, Bao-Zhu.(2017).Simultaneous identification of diffusion coefficient, spacewise dependent source and initial value for one-dimensional heat equation.MATHEMATICAL METHODS IN THE APPLIED SCIENCES,40(10),3552-3565. |
MLA | Zhao, Zhi-Xue,et al."Simultaneous identification of diffusion coefficient, spacewise dependent source and initial value for one-dimensional heat equation".MATHEMATICAL METHODS IN THE APPLIED SCIENCES 40.10(2017):3552-3565. |
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Zhao_et_al-2016-Math(475KB) | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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