期刊
COMPOSITE STRUCTURES
卷 86, 期 1-3, 页码 10-21出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2008.03.004
关键词
finite elements; axisymmetric shells; 3D elasticity theory; FGM; free vibrations; thermal shock load
In the present work, a study of thermoelastic analysis of functionally graded cylindrical shells subjected to transient thermal shock loading is carried out. A semi-analytical axisymmetric finite element model using the three-dimensional linear elasticity theory is developed. The three-dimensional equations of motion are reduced to two-dimensional ones by expanding the displacement field in Fourier series in the circumferential direction involving circumferential harmonics. The material properties are graded in the thickness direction according to a power law. The model has been verified with the results of simple analytical isotropic cylindrical shells subjected to a transient thermal loading. Additional FGM results for stresses and displacements are presented. (C) 2008 Elsevier Ltd. All rights reserved.
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