2806 加熱法による残留応力の非破壊評価 : 熱流束と残留応力の同時推定およびその数値的検証(S10-2 熱応力(2),S10 熱応力,応力特異性と強度評価)
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概要
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In the heating method it become problem that the kowledge of temperature distribution due to local heating. In this paper a method to overcome of the problem is concerned with for the identification of uniformly distributed resiudal stress by introducing an FEM model and by solving the resulting nonlinear least square problem by Levenberg-Marquardt method. The validity of the approach is demonstrated by numerical results.
- 2007-09-07