Crack Identification and Strain Evaluation from Displacement Fields Measured Using Digital Image Correlation
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- Material Type
- 記事
- Author/Editor
- Chika FUKUDAKeisuke IIZUKAKenichi SAKAUESatoru YONEYAMA
- Author Heading
- Periodical title
- Advanced experimental mechanics / Editorial board for advanced experimental mechanics [編]
- No. or year of volume/issue
- 10:2025.8
- Volume
- 10
- Pages
- 33-39
- Publication date of volume/issue (W3CDTF)
- 2025-08
- ISSN (Periodical Title)
- 2189-4752
- ISSN-L (Periodical Title)
- 2189-4752
- Publication (Periodical Title)
- Niigata : The Japanese Society for Experimental Mechanics
- Place of Publication (Country Code)
- JP
- Text Language Code
- eng
- NDLC
- Target Audience
- 一般
- Holding library
- 国立国会図書館
- Call No.
- Z63-D560
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 034429780
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- <p>This paper proposes a data processing method for easily and efficiently determining strains near a crack from the displacement field data obtained using digital image correlation. The displacements within a strain window are approximated by polynomials and the strains are obtained as their derivatives. A crack is detected from the difference between the approximated and measured displacement distributions and the correlation coefficients obtained during the displacement measurement. The strains near the crack are obtained by ensuring that the data at the crack does not overlap with the strain window. The proposed method is applied to several displacement fields obtained using digital image correlation and demonstrates its effectiveness. This method makes it possible to easily obtain the strain distributions near a crack and is expected to be applied to various fracture mechanics studies.</p>
- DOI
- 10.11395/aem.25-0004
- Access Restrictions
- インターネット公開
- Data Provider (Database)
- 科学技術振興機構 : J-STAGE
- Summary, etc.
- <p>This paper proposes a data processing method for easily and efficiently determining strains near a crack from the displacement field data obtained using digital image correlation. The displacements within a strain window are approximated by polynomials and the strains are obtained as their derivatives. A crack is detected from the difference between the approximated and measured displacement distributions and the correlation coefficients obtained during the displacement measurement. The strains near the crack are obtained by ensuring that the data at the crack does not overlap with the strain window. The proposed method is applied to several displacement fields obtained using digital image correlation and demonstrates its effectiveness. This method makes it possible to easily obtain the strain distributions near a crack and is expected to be applied to various fracture mechanics studies.</p>
- DOI
- 10.11395/aem.25-0004
- Related Material (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- Japan Link Center雑誌記事索引データベース
- Bibliographic ID (NDL)
- 034429780