NON-LINEAR STABILITY OF CYLINDRICAL PANELS MADE OF TRANSVERSALLY FUNCTIONALLY GRADED MATERIAL WITH UNIFORMLY SHORTENED EDGES
Journal Title: ROMANIAN JOURNAL OF TECHNICAL SCIENCES - APPLIED MECHANICS - Year 2018, Vol 63, Issue 3
Abstract
The present paper deals with FGM cylindrical panels with uniformly shortened edges when the shear lag phenomenon and distortional deformations are taken into account. A shell model (2D) was adopted. A method of the modal solution to the nonlinear stability problem within Koiter’s asymptotic theory, using the semianalytical method (SAM) and the transition matrix method, was applied. Post-buckling equilibrium paths for two FGM panels of step-variable gradation along the circumferential direction within the first- and second-order non-linear approximation were determined.
Authors and Affiliations
ZBIGNIEW KOŁAKOWSKI, LESZEK CZECHOWSKI
Keywords
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