Stress concentration mitigation in clamped steel plates

  • Authors

    • Kanak Kalita Dept. of Aerospace Engineering & Applied Mechanics IIEST Shibpur (Erstwhile Bengal engineering & Science University) Howrah, West Bengal, India 711103
    2014-05-05
    https://doi.org/10.14419/ijsw.v2i1.2366

  • Steel is used widely in the construction of roads, railways, other infrastructure, appliances, and buildings. Most large modern structures, such as stadiums, skyscrapers, bridges, airports, are supported by a steel skeleton. Steel plates with internal cutouts are widely used in structural members. These cutouts are made into plates to meet various functional and structural requirements. However these cutouts create stress concentration and eventually reduce the mechanical strength of the structure. The present study aims at reducing this stress concentration around the central hole by introduction of a proposed scheme of auxiliary holes. Reduction in stress concentration with symmetric and asymmetric auxiliary holes is studied. Findings of the study are made available here in both numerical data and graphical form.

    Keywords: Auxiliary Hole, Cutout Plate, Finite Element Method, Stress Mitigation, Stress Analysis.

  • References

    1. Motok, M. D. "Stress concentration on the contour of a plate opening of an arbitrary corner radius of curvature." Marine structures 10.1 (1997): 1-12. http://dx.doi.org/10.1016/S0951-8339(96)00012-3
    2. Heywood, Roland Bryon. Designing by photo elasticity. Chapman & Hall, 1952.
    3. Durelli, A. J., and K. Rajaiah. "Optimum hole shapes in finite plates under uniaxial load." Journal of Applied Mechanics 46.3 (1979): 691-695. http://dx.doi.org/10.1115/1.3424628
    4. Meguid, S. A. "Finite element analysis of defence hole systems for the reduction of stress concentration in a uniaxially-loaded plate with two coaxial holes." Engineering fracture mechanics 25.4 (1986): 403-413. http://dx.doi.org/10.1016/0013-7944(86)90254-7
    5. Giare, G. S., and R. Shabahang. "The reduction of stress concentration around the hole in an isotropic plate using composite materials." Engineering fracture mechanics 32.5 (1989): 757-766. http://dx.doi.org/10.1016/0013-7944(89)90172-0
    6. K. Kalita and A. K. Banerjee, Static Analysis of Isotropic & Orthotropic Plates with Central Cutout under Transverse Loading, Proc. of NCRAME (2013), 57-63.
    7. Kalita, Kanak, Abhik Kumar Banerjee, and Salil Haldar. "An Analysis to Mitigate Induced Stresses in Orthotropic Plates with Central Square Cut-out." International Journal of Engineering 6.3 (2013): 379-386.
    8. Kalita, Kanak and Salil Haldar. “Stress concentration minimization of 2D simply supported perforated steel plate”, International Journal on Theoretical and Applied Research in Mechanical Engineering 3.1 (2014): 50-55.
    9. Timoshenko, S. P., and J. N. Goodier. "Theory of elasticity, 1987."
    10. Dally, James W., and William F. Riley. "Experimental stress analysis, 1991."McGraw and Hill, New York.
    11. Savin, Guriĭ Nikolaevich. Stress concentration around holes. Vol. 1. Pergamon Press, 1961.

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  • How to Cite

    Kalita, K. (2014). Stress concentration mitigation in clamped steel plates. International Journal of Scientific World, 2(1), 21-26. https://doi.org/10.14419/ijsw.v2i1.2366