This article addresses the use of boundary element method in conjunction with minimal energy technique for solving a geometrical inverse heat conduction problem. The problem considered in this study is to estimate the unknown inner boundary position in an irregular-shaped hollow body of which the inner boundary surface is subjected to a specified temperature condition. For solving the problem, first boundary element equations are converted into the quadratic programming problem by minimizing the energy functional with a constraint, next a hypothetical inner boundary is defined such that the actual inner boundary is located interior of the hypothetical solution domain, then temperatures at hypothetical inner boundary are determined to meet the constraints of measurement error in inner surface temperatures, and finally boundary element analysis is performed for the position of an unknown boundary. Based on these main solution procedures, an effective detection algorithm is provided. In addition, the solution method is numerically tested to investigate the effects of measurement errors on the accuracy of estimation.
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February 2003
Technical Papers
BEM Solution With Minimal Energy Technique for the Geometrical Inverse Heat Conduction Problem in a Doubly Connected Domain
Chang-Yong Choi,
Chang-Yong Choi
Mechanical Engineering Department, Jeonju University, Jeonju 560-759, Korea
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Jong Chull Jo, Mem. ASME
Jong Chull Jo, Mem. ASME
Korea Institute of Nuclear Safety, Taejon 305-338, Korea
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Chang-Yong Choi
Mechanical Engineering Department, Jeonju University, Jeonju 560-759, Korea
Jong Chull Jo, Mem. ASME
Korea Institute of Nuclear Safety, Taejon 305-338, Korea
Contributed by the Pressure Vessels and Piping Division and presented at the Pressure Vessels and Piping Conference, Atlanta, Georgia, July 22–26, 2001, of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS. Manuscript received by the PVP Division, May 5, 2002; revised manuscript received September 9, 2002. Associate Editor: Y. W. Kwon.
J. Pressure Vessel Technol. Feb 2003, 125(1): 109-117 (9 pages)
Published Online: January 31, 2003
Article history
Received:
May 5, 2002
Revised:
September 9, 2002
Online:
January 31, 2003
Citation
Choi, C., and Jo, J. C. (January 31, 2003). "BEM Solution With Minimal Energy Technique for the Geometrical Inverse Heat Conduction Problem in a Doubly Connected Domain ." ASME. J. Pressure Vessel Technol. February 2003; 125(1): 109–117. https://doi.org/10.1115/1.1523890
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