期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 29, 期 6, 页码 1078-1087出版社
GAUTHIER-VILLARS/EDITIONS ELSEVIER
DOI: 10.1016/j.euromechsol.2010.06.001
关键词
Functionally graded materials; Multilayered shells; Higher order theories; Free vibration; Carrera Unified Formulation
类别
Closed-form solutions of free-vibration problems of simply supported multilayered shells made of Functionally Graded Material have been examined in the present paper. A variable kinematic shell model, which is based on Carrera's Unified Formulation is extended, in this work, to dynamic shell cases. Classical shell theories are compared to refined ones as well as to layer-wise kinematics and mixed assumptions based on the Reissner mixed variational theorem. A comparison with the few results available in the open literature is presented and conclusions are drawn regarding the accuracy of classical and advanced shell modeling to evaluate lower and higher vibration modes as well as the behavior of these modes in the shell thickness direction. (C) 2010 Elsevier Masson SAS. All rights reserved.
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