Numerical Method for Solving Nonhomogeneous Backward Heat Conduction Problem

LingDe Su and TongSong Jiang

International Journal of Differential Equations, 2018, vol. 2018, 1-11

Abstract:

In this paper we consider a numerical method for solving nonhomogeneous backward heat conduction problem. Coupled with the likewise Crank Nicolson scheme and an intermediate variable, the backward problem is transformed to a nonhomogeneous Helmholtz type problem; the unknown initial temperature can be obtained by solving this Helmholtz type problem. To illustrate the effectiveness and accuracy of the proposed method, we solve several problems in both two and three dimensions. The results show that this numerical method can solve nonhomogeneous backward heat conduction problem effectively and precisely, even though the final temperature is disturbed by significant noise.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnijde:1868921

DOI: 10.1155/2018/1868921

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