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Cauchy Problem for the Heat Equation in a Bounded Domain Without Initial Value

Ji-Chuan Liu1, Jun-Gang Wang2

Corresponding author. Department of Mathematics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, PR China. Email: liujichuan2003@126.com
Department of Applied Mathematics, Northwestern Polytechnical University, Xi’an, Shaanxi, 710129, PR China.

Computer Modeling in Engineering & Sciences 2014, 97(5), 437-462. https://doi.org/10.3970/cmes.2014.097.437

Abstract

We consider the determination of heat flux within a body from the Cauchy data. The aim of this paper is to seek an approach to solve the onedimensional heat equation in a bounded domain without initial value. This problem is severely ill-posed and there are few theoretic results. A quasi-reversibility regularization method is used to obtain a regularized solution and convergence estimates are given. For numerical implementation, we apply a method of lines to solve the regularized problem. From numerical results, we can see that the proposed method is reasonable and feasible.

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APA Style
Liu, J., Wang, J. (2014). Cauchy problem for the heat equation in a bounded domain without initial value. Computer Modeling in Engineering & Sciences, 97(5), 437-462. https://doi.org/10.3970/cmes.2014.097.437
Vancouver Style
Liu J, Wang J. Cauchy problem for the heat equation in a bounded domain without initial value. Comput Model Eng Sci. 2014;97(5):437-462 https://doi.org/10.3970/cmes.2014.097.437
IEEE Style
J. Liu and J. Wang, “Cauchy Problem for the Heat Equation in a Bounded Domain Without Initial Value,” Comput. Model. Eng. Sci., vol. 97, no. 5, pp. 437-462, 2014. https://doi.org/10.3970/cmes.2014.097.437



cc Copyright © 2014 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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