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The Spring-Damping Regularization Method and the Lie-Group Shooting Method for Inverse Cauchy Problems

Chein-Shan Liu1,2, Chung-Lun Kuo3, Dongjie Liu4

Department of Civil Engineering, National Taiwan University, Taipei, Taiwan
Corresponding author. E-mail:
Department of Systems Engineering and Naval Architecture, National Taiwan Ocean University, Keelung, Taiwan
Department of Mathematics, College of Sciences, Shanghai University, Shanghai, P. R. China

Computers, Materials & Continua 2011, 24(2), 105-124.


The inverse Cauchy problems for elliptic equations, such as the Laplace equation, the Poisson equation, the Helmholtz equation and the modified Helmholtz equation, defined in annular domains are investigated. The outer boundary of the annulus is imposed by overspecified boundary data, and we seek unknown data on the inner boundary through the numerical solution by a spring-damping regularization method and its Lie-group shooting method (LGSM). Several numerical examples are examined to show that the LGSM can overcome the ill-posed behavior of inverse Cauchy problem against the disturbance from random noise, and the computational cost is very cheap.


Cite This Article

C. . Liu, C. . Kuo and D. . Liu, "The spring-damping regularization method and the lie-group shooting method for inverse cauchy problems," Computers, Materials & Continua, vol. 24, no.2, pp. 105–124, 2011.

cc 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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