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Stress concentration around openings in conical shells

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Strength of Materials Aims and scope

Conclusions

  1. 1.

    The bending stresses of a conical shell increase with increasing slope angle α of its generatrix to its axis, and stress redistribution occurs on the perimeter of the opening; the stresses σϕ for the perimeter of the opening, which lies on the surface of the shell, have one sign, which agrees with the sign of the bending stresses on this surface.

  2. 2.

    The stress-concentration factor decreases with increasing angle α.

  3. 3.

    The stressed state of conical shells for which h/R≤1/10 can be assumed two-dimensional. The stress-concentration factor increases with increasing thickness of the conical shell.

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Literature Cited

  1. V. Kh. Belyi, “Tensioning of a circular conical shell with holes on the lateral surface,” Collection of the Proceedings of the All-Union Correspondence Polytechnic Institute [in Russian], No. 52 (1959), pp. 23–32.

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  2. A. N. Guz', P. Z. Lugovoi, and N. A. Shul'ga, Conical Shells Weakened by Holes [in Russian], Naukova Dumka, Kiev (1976).

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  3. A. N. Guz', I. S. Chernyshenko, V. N. Chekhov, et al., Theory of Thin Shells Weakened by Holes [in Russian], Naukova Dumka, Kiev (1980).

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  4. L. P. Shatokhina, “Experimental investigation of the stresses around a circular notch in a conical shell,” Collection of Proceedings of the All-Union Correspondence Polytechnic Institute [in Russian], No. (1973), pp. 203–309.

  5. V. V. Nakonechnyi, Stress Concentration around Openings in Bendable Plates [in Russian], Kiev State Univ. (1985), deposited in the Ukrainian Scientific-Research Institute of Scientific and Technical Information, No. 1021 Uk.-85 dep.

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Authors
  1. V. I. Savchenko
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  2. V. V. Nakonechnyi
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Additional information

Kiev State University. Translated from Problemy Prochnosti, No.2, pp. 101–104, February, 1988.

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Savchenko, V.I., Nakonechnyi, V.V. Stress concentration around openings in conical shells. Strength Mater 20, 254–258 (1988). https://doi.org/10.1007/BF01522934

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  • DOI: https://doi.org/10.1007/BF01522934

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