Journal
COMPOSITE STRUCTURES
Volume 179, Issue -, Pages 50-60Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2017.07.032
Keywords
Functionally graded sandwich; Doubly-curved shallow shell; Free vibration; New shear deformation theory
Categories
Funding
- National Natural Science Foundation of China [11472056, 11290152]
Ask authors/readers for more resources
Free vibration of the functionally graded material (FGM) sandwich doubly-curved shallow shells under simply supported conditions is presented. Three common types of the shell, namely, the shell with homogeneous hardcore and FGM facesheet (type A), the shell with homogeneous softcore and FGM facesheet (type B) and the shell with FGM core and homogeneous facesheet (type C), are discussed. The dynamics model is derived according to a new shear deformation theory with stretching effects. The dimensionless natural frequency is obtained by Navier method. Numerical examples of the FGM sandwich doubly-curved shallow shells are provided for different gradient material parameters, core thicknesses, radii of curvature, aspect ratios, side-to-thickness ratios and vibration modes to demonstrate the accuracy of the present theory. (C) 2017 Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available