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Boundary Control for Inverse Cauchy Problems of the Laplace Equations

Leevan Ling1, Tomoya Takeuchi2

Department of Mathematics, Hong Kong Baptist University, Kowloon Tong, Hong Kong.
Graduate School of Mathematical Sciences, University of Tokyo, Tokyo, Japan.

Computer Modeling in Engineering & Sciences 2008, 29(1), 45-54.


The method of fundamental solutions is coupled with the boundary control technique to solve the Cauchy problems of the Laplace Equations. The main idea of the proposed method is to solve a sequence of direct problems instead of solving the inverse problem directly. In particular, we use a boundary control technique to obtain an approximation of the missing Dirichlet boundary data; the Tikhonov regularization technique and the L-curve method are employed to achieve such goal stably. Once the boundary data on the whole boundary are known, the numerical solution to the Cauchy problem can be obtained by solving a direct problem. Numerical examples are provided for verifications of the proposed method on the steady-state heat conduction problems.


Cite This Article

Ling, L., Takeuchi, T. (2008). Boundary Control for Inverse Cauchy Problems of the Laplace Equations. CMES-Computer Modeling in Engineering & Sciences, 29(1), 45–54.

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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