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Highly accurate values of K% and K% of axially symmetrical cracked body subjected to tension obtained by FEM

Author(s): H. Nisitani & T. Teranishi Abstract: The finite element method (FEM) is useful for the stress analysis and used widely in general. However, it is still not necessarily easy to obtain the highly accurate values of stress intensity factors by FEM. Recently, a method for calculating the highly accurate values of stress intensity factors in two-dimensional crack problems has been proposed by H. Nisitani, based on the usefulness of the stress values at a crack tip calculated by FEM. Although this value at a crack tip by FEM is finite, it is very effective as a measure of the singular stress field of the crack tip. In this study, an extension of this method to the round bar with circumferential crack was made. The extended method was applied to the tensile problems of a round bar with a si... Pages: 9 Size: 619 kb Paper DOI: 10.2495/DM000431

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Download the Full Article This article is part of the WIT OpenView scheme and you can download the full text Adobe PDF article for FREE by clicking the 'Openview' icon to the right.