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Numerical modeling of impact tests on glass shells and selection of optimum design solutions

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Strength of Materials Aims and scope

Conclusions

  1. 1.

    The effect of the main design parameters, i.e., stiffness of the base and dome thickness, on the impact strength of glass thick-walled shells was evaluated quantitatively. The σm-h graphs can be used to justify the increase of the thickness of the dome on the shell in relation to the strength properties of the glass.

  2. 2.

    If the initial failure on the surface of the dome of the shells as a result of knocking out a ring-shaped shell is taken into account in the calculations, this value is included in the 10% strength margin in comparison with the idealized calculations of the integral shells, i.e., calculations revealed the effect of “adaptibility” of the shells to the impact effect by means of specific failure in the initial moments of the impact.

  3. 3.

    The approximate collision theory of the massive bodies within the framework of Hertz's assumptions reduces the impact force by 27–31% in comparison with FEM and cannot be used to estimate the impact strength of the examined shells.

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Literature Cited

  1. M. A. Senyushchenkov, “Examination of the stress-strength state of a thick-wall axisymmetric glass shell under the effect of an impact pulse,” Tr. Mosk. Inst. Inzh. Zheleznodorzh. Transp., No. 618, 82–90 (1982).

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  2. N. N. Shaposhnikov, V. B. Babaev, and M. A. Senyushchenkov, “Solving contact dynamic problems by the finite element method using the implicit procedure in the SPRINT system of strength calculations,” Rasch. Prochn., No. 26, 265–274 (1985).

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  3. M. A. Senyushchenkov, Calculations of the strength of thick-walled axisymmetric glass shells impacted by a steel striker using the finite element method. Deposited at the All-Union Scientific-Reserch Institute of Technical Information, 05.12.85, No. 170-85 Dep., Bryansk (1985).

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Authors
  1. M. A. Senyushchenkov
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  2. É. A. Abramyan
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  3. V. B. Babaev
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Additional information

Bryansk Technological Institute. The State Institute of Glass. Moscow Institute of Railroad Transport Engineers. Trnaslated from Problemy Prochnosti, No. 6, pp. 46–49, June, 1988.

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Senyushchenkov, M.A., Abramyan, É.A. & Babaev, V.B. Numerical modeling of impact tests on glass shells and selection of optimum design solutions. Strength Mater 20, 753–757 (1988). https://doi.org/10.1007/BF01530090

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  • DOI: https://doi.org/10.1007/BF01530090

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