A Strain-based cohesive zone model for a crack in a power-law material under grossly plastic conditions / G. X. Chen, C. H. Wang and L. R. F. Rose
- Bib ID:
- 2055995
- Format:
- Book
- Author:
- Chen, G. X. (Guang, Xia)
- Online Version:
- http://www.dsto.defence.gov.au/corporate/reports/DSTO-RR-0235.pdf
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- Description:
-
- Melbourne, Vic. : Aeronautical and Maritime Research Laboratory, 2002
- 18 p. : ill. ; 28 cm.
- Series:
- Research report (Defence Science and Technology Organisation (Australia)) ; DSTO-RR-0235.
- Technical Details:
- Available in PDF format via the World Wide Web.
- Summary:
-
To develop an analytical method for quantifying the growth behaviour of short cracks embedded in notch plastic zones for power law strain hardening materials, a strain-based cohesive zone model is proposed in which the conventional equilibrium equation in the stress-based model is replaced by strain compatibility. A comparison with finite element results shows that this strain-based model provides accurate values of the crack-tip-opening displacement for applied strains up to four times the yield strain under general yielding conditions. Furthermore, it is shown that the cohesive stress determined by a method proposed in this work gives better results than the existing method, which are appropriate only for small-scale yielding conditions.
- Notes:
- "April 2002"
- Subject:
- Other authors/contributors:
- Copyright:
-
In Copyright
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- Reason for copyright status:
- Until 2052 [Created/Published Date + 50 Years]
Copyright status was determined using the following information:
- Material type:
- Literary Dramatic Musical
- Published status:
- Published
- Publication date:
- 2002
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