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Vibration of Stiffened Rectangular Plates

Published online by Cambridge University Press:  04 July 2016

K. T. Sundara Raja Iyengar  and
K. S. Jagadish
K. T. Sundara Raja Iyengar
Affiliation:
Department of Civil Engineering, Indian Institute of Science, Bangalore
K. S. Jagadish
Affiliation:
Department of Civil Engineering, Indian Institute of Science, Bangalore
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Extract

The vibrations of stiffened plates have been considered by Kirk and Mahalingam. Kirk has treated plates with several stiffeners and also a plate with a single stiffener. For plates with several stiffeners he uses the Rayleigh Method as employed by Warburton. The calculated frequencies have been shown to compare favourably with the experimental frequencies when the stiffness has been taken as ef3/3 for a stiffener. While considering the plate with a single stiffener he has replaced the stiffener by a line of massless springs the spring constant of which is determined on the basis of certain approximations. The Rayleigh method has then been applied to solve the simplified problem. A plate with two opposite edges free and the other two simply supported with a central stiffener parallel to the free edges has also been considered by Kirk.

Type
Technical notes
Information
The Aeronautical Journal , Volume 68 , Issue 648 , December 1964 , pp. 850 - 851
Copyright
Copyright © Royal Aeronautical Society 1964

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References

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