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A design-orientated alternative to finding the initial buckling loads of prismatic plate assemblies

Published online by Cambridge University Press:  04 July 2016

F. W. Williams
Affiliation:
Department of Civil Engineering and Building Technology, UWIST, Cardiff
C. J. Wright
Affiliation:
Department of Civil Engineering and Building Technology, UWIST, Cardiff

Extract

Many methods and computer programs, e.g. those listed in reference 1, give ‘exact’ initial buckling loads for prismatic structures which consist of thin, rectangular plates which are rigidly connected together along their longitudinal edges. The component plates can be flat or curved, isotropic or anisotropic and can carry any combination of longitudinally invariant in-plane stresses, i.e. longitudinal, transverse and shear stresses. The working which follows can be extended to cover all such plate assemblies, but for simplicity attention is confined to assemblies of uniformly longitudinally compressed, isotropic, flat plates with simply supported ends. The stiffened panel of Fig. 1 is typical of such assemblies, and hence is used to represent them below, because the extrapolation from this particular assembly to the general is obvious.

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 1978 

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References

1. Plank, R. J. and Williams, F. W. Critical buckling of some stiffened panels in compression, shear and bending. Aeronautical Quarterly, Vol XXV, pp 165179, August 1974.Google Scholar
2. Williams, F. W. and Wright, C. J. A compact computer program for calculating buckling stresses and natural frequencies of vibration of prismatic plate assemblies. International Journal for Numerical Methods in Engineering, Vol 12, No 9, pp 14291456, 1978.Google Scholar