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A simple and efficient mixed harmonic element for shells of revolution

โœ Scribed by KIM, J. G. ;KIM, Y. Y.

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
123 KB
Volume
13
Category
Article
ISSN
1069-8299

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โœฆ Synopsis

A simple and ecient three-noded mixed harmonic axisymmetric element for shells of revolution under nonsymmetric loading is developed. The present element considering shear strain is based on a modiยฎed mixed variational principle in which the independent unknowns are only the quantities prescribable at the shell edges. The non-symmetric variations of the displacements and stress resultants in the circumferential direction are decomposed in terms of Fourier series. The stress resultants are eliminated on the element level so that the standard stiness equations are obtained. The importance of consistent stress parameters is addressed and the eciency of the present consistent mixed element is shown.

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