inverse heat problem
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Author(s):  
M. Fernández-Torrijos ◽  
C. Sobrino ◽  
J.A. Almendros-Ibáñez ◽  
C. Marugán-Cruz ◽  
D. Santana

2018 ◽  
Vol 16 (1) ◽  
pp. 999-1011 ◽  
Author(s):  
Ho Vu ◽  
Donal O’Regan ◽  
Ngo Van Hoa

AbstractIn this paper we study an inverse time problem for the nonhomogeneous heat equation under the conformable derivative which is a severely ill-posed problem. Using the quasi-boundary value method with two regularization parameters (one related to the error in a measurement process and the other is related to the regularity of the solution) we regularize this problem and obtain a Hölder-type estimation error for the whole time interval. Numerical results are presented to illustrate the accuracy and efficiency of the method.


2014 ◽  
Vol 2014 ◽  
pp. 1-8
Author(s):  
F. Parzlivand ◽  
A. M. Shahrezaee

An inverse heat problem of finding an unknown parameter p(t) in the parabolic initial-boundary value problem is solved with variational iteration method (VIM). For solving the discussed inverse problem, at first we transform it into a nonlinear direct problem and then use the proposed method. Also an error analysis is presented for the method and prior and posterior error bounds of the approximate solution are estimated. The main property of the method is in its flexibility and ability to solve nonlinear equation accurately and conveniently. Some examples are given to illustrate the effectiveness and convenience of the method.


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