Palani, GS and Dattaguru, B and Iyer, NR (2005) Fracture analysis of cracked plate panels using NI-MVCCI technique. In: 4th Conference on Creep, Fatique and Creep-Fatique Internation, OCT 08-10, 2003, Kalpakkam, INDIA.
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The objective of this paper is to propose a numerically integrated modified virtual crack closure integral (NI-MVCCI) technique for fracture analysis of cracked plate panels. NI-MVCCI technique is generalized one and the expressions for computing the strain energy release rate (SERR) are independent of the finite element employed. NI-MVCCI technique has been demonstrated for 4-noded, 8-noded (regular and quarter-point) and 9-noded isoparametric finite elements. Numerical studies on fracture analysis of 2-D crack (mode-I and mode-II) problems have been conducted employing these elements. SERR and stress intensity factors (SIF) have been computed for these problems and found to be in good agreement with the respective analytical solutions available in the literature. The appropriate Gauss numerical integration order to be employed for each of these elements for accurate computation of SERR and SIF has been recommended based on the studies.
| Item Type: | Conference Paper |
|---|---|
| Publisher: | Indian Institute of Metals |
| Additional Information: | Copyright of this article belongs to Indian Institute of Metals. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 08 Mar 2012 07:51 |
| Last Modified: | 08 Mar 2012 07:51 |
| URI: | http://eprints.iisc.ac.in/id/eprint/43757 |
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