書誌事項
- タイトル別名
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- Stress Analysis around the Crack-Tip of Homogeneous Material by Speckle Photography and Image-Processing.
- スペックルホウ ト ガゾウ ショリ ニ ヨル キンシツザイ キレツ センタン ノ オウリョク カイセキ
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The point-by-point measurement of in-plane displacement was conducted by the point-wise filtering approach of speckle photography.Young's fringes analysis is based on the 2-D fast Fouriertransform and bounded Newton-Raphson algorithm.This system can analyze many fringe patterns with high speed and accuracy.A large number of Young's fringe patterns around the crack tip were taken by a CCD camera and analyzed by the image-processing system developed in my laboratory.The displacement obtained by speckle photography is not as smooth as that obtained by the finite element analysis.Therefore, the displacement data were smoothed by 2-D fast Fourier transform and the least squares method.Then, stress-strain analysis was conducted by using those data.
収録刊行物
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- 日本機械学会論文集A編
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日本機械学会論文集A編 66 (641), 137-143, 2000
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001204447892992
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- NII論文ID
- 110002373311
- 10008203362
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 4970989
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可