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| SIF Calculation for a Torsional Bar with an Arbitrary Section and a Central Crack |
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| DOI：10.7511/jslx19913048 |
| KeyWord:central crack,torsional bar,stress intensity factor |
| Wang Yuanhan Liu Zhaihua |
| Huazhong University of Science and Technology |
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| Abstract: |
| In this paper a set of stress functions has been proposed, and the boundary collocation method is used to obtain the stress intensity factor (SIF) of a torsional bar with an arbitrary section and a central crack. The examples for the elliptical sections show that the present method has very good accuracy. At the same time, a series of results for the cylindrical, elliptical and rectangular sections are obtained. |