Analytical determination of stress intensity factor for plate bending problems.

Chattopadhya, L (2003) Analytical determination of stress intensity factor for plate bending problems. International Journal of Computational Engineering Sciences., 4 (1). pp. 109-119. ISSN 1465-8763

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Abstract

The problem of estimating the bending stress distribution in the neighborhood of a crack located on a single line in an isotropic elastic plate of constant thickness is examined. The plate containing cracks is infinite and its boundary is subjected to bending moment or twisting moment. Using classical plate theory and integral transform13; techniques, the general formulae for the bending moment, twisting moment and bending stress distribution in an elastic plate acted upon by moment forces and containing cracks located on a single line are derived. The solution is obtained in detail, for the case in which there is a single crack in an infinite plate and the bending stress13; intensity factor is determined in a closed form and the results are compared with those obtained from finite element analysis. Close agreements between the analytical solution, numerical solution and reference solution were found in all cases.

Item Type: Journal Article
Uncontrolled Keywords: Mathematical models; Bending; Mathematical analysis; Cracks; Stress concentration; Stress intensity; Twisting; Exact solutions; Boundaries; Finite element method; Elastic constants;Computation;Plates (structural members); Stress analysis;Stress intensity factors;Stress distribution
Subjects: ENGINEERING > Structural Mechanics
Division/Department: Structures Division
Depositing User: Ms Indrani V
Date Deposited: 07 Mar 2006
Last Modified: 24 May 2010 09:40
URI: http://nal-ir.nal.res.in/id/eprint/1083

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