Abstract
Finite element static and free vibration analysis of thin laminated plates and shells using a three noded triangular flat shell element is presented. The flat shell element is a combination of the Discrete Kirchhoff Theory (DKT) plate bending element and a membrane element derived from the Linear Strain Triangular (LST) element with a total of 18 degrees of freedom (3 translations and 3 rotations per node). Explicit formulations are used for the membrane, bending and membrane-bending coupling stiffness matrices. The results are presented for (i) static analysis of simply supported square plates under doubly sinusoidal and uniformly distributed loads; (ii) simply supported spherical shells under an uniformly distributed load; and (iii) free vibration analysis of (a) square cantilever plates, (b) skew cantilever plates and (c) simply supported spherical shells. The results presented are in good agreement with those available in the literature.
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Kapania, R.K., Mohan, P. (1995). Static and Free Vibration Analysis of Composite Plates and Shells Using a Flat Shell Element. In: Batra, R.C. (eds) Contemporary Research in Engineering Science. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-80001-6_13
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DOI: https://doi.org/10.1007/978-3-642-80001-6_13
Publisher Name: Springer, Berlin, Heidelberg
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