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Torsion problems for a cylinder with a rectangular hole and a rectangular cylinder with a crack

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Abstract

Using the method of singular integral equation and the crack-cutting technique, the rigorous solutions are obtained for a cylinder with a rectangular hole and a rectangular cylinder with a crack, which exactly satisfy the boundary conditions and the conditions at the corner points. After that the torsional rigidities and the stress intensity factors at the crack tip are determined. Next, for the doubly connected circular cylinder with a rectangular hole the expressions for the singular stresses around the concave corner points are derived and the generalized stress intensity factors are then defined. Since the crack-cutting technique is used in this paper, the solution of the matching rectangular cylinder is also obtained and its numerical results coincide with those in references. Thus the method proposed here is verified.

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Authors and Affiliations

  1. Department of Engineering Mechanics, Shanghai Jiaotong University, 200030, Shanghai, China

    Tang Renji

  2. Department of Mechanics, Lanzhou University, 730000, Lanzhou, China

    Li Yulan

Authors
  1. Tang Renji
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  2. Li Yulan
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The project supported by National Natural Science Foundation of China

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Renji, T., Yulan, L. Torsion problems for a cylinder with a rectangular hole and a rectangular cylinder with a crack. Acta Mech Sinica 8, 165–172 (1992). https://doi.org/10.1007/BF02487164

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  • DOI: https://doi.org/10.1007/BF02487164

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