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| Titel: |
Fracture Analysis of Delaminated Composite Panels in Compression Using Numerically Integrated MVCCI |
| Auteur: |
Singh, K. L. Dattaguru, B. Ramamurthy, T. S. |
| Verschenen in: |
Mechanics of advanced materials & structures |
| Paginering: | Jaargang 13 (2006) nr. 4 pagina's 303-315 |
| Jaar: |
2006-09-01 |
| Inhoud: |
Delamination tolerance is one of the key issues in laminated composites used in high technology structures. Delamination in these structures could grow due to repeated in-plane compressive loading during operation and the delamination tolerance levels are obtained by comparing mode-I SERR component with the corresponding fatigue threshold values. The Modified Virtual Crack Closure Integral (MVCCI) is used to estimate individual mode SERR components in a mixed-mode situation, which occurs at an embedded delamination. The present work proposed a numerical integration for the first time to evaluate the MVCCI for Hexa20 elements used in three-dimensional finite element analysis. Extensive numerical results are presented including a parametric study on a typical laminate. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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