Numerical calculation of energy release rates by virtual crack closure technique
โ Scribed by Chang, Yoon-Suk ;Choi, Jae-Boong ;Kim, Young-Jin ;Yagawa, Genki
- Publisher
- Springer-Verlag
- Year
- 2004
- Tongue
- Korean
- Weight
- 840 KB
- Volume
- 18
- Category
- Article
- ISSN
- 1226-4865
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๐ SIMILAR VOLUMES
modified crack closure integral method with square-root stress singularity elements is given for calculation of strain energy release rate for an in-plane extension of a crack. Case studies are presented to illustrate the improvement in accuracy.
A general method is given for calculating the energy release rate G from the local values of bending moments and loads in a cracked laminate. This total value is then partitioned into mode I and II components. Examples are given of the analysis of several test geometries including both variable and
## A finite element based crack-closure integral for determining strain energy release rates for two-dimensional elastostatic and elastodynamic crack problems in finite bodies is evaluated. Both the J-integral and crack-closure integral are used to obtain strain energy release rates from the finit
The energy release rate, which is the total derivative of the energy with respect to crack length, is recognized as corresponding to the shape sensitivity analysis with the crack length change represented by the tangential component of design velocity. In this paper the sensitivity formula recently