On the Vibrations and Thermal Buckling of Functionally Graded Spherical Caps-Reference-Cited by-同舟云学术

On the Vibrations and Thermal Buckling of Functionally Graded Spherical Caps

Published:2023-08-08 Issue: Volume: Page:136-147
ISSN:0972-950X
Container-title:Journal of Aerospace Sciences and Technologies
language:
Short-container-title:joast

Author:

Sundararajan N.,Ganapathi M.

Abstract

Here, the axisymmetric free flexural vibrations and thermal buckling characteristics of functionally graded spherical caps are investigated employing a three-noded axisymmetric curved shell element based on field consistency approach. The formulation is based on first-order shear deformation theory and it includes the in-plane and rotary inertia effects. The material properties are graded in the thickness direction according to the power-law distribution in terms of volume fractions of the constituents of the material. The effective material properties are evaluated using homogenization method. A detailed numerical study is carried out to bring out the effects of shell geometries, power law index of functional graded material and base radius-to-thickness on the vibrations and buckling characteristics of spherical shells.

Reference38 articles.

1. Koizumi, M., "FGM Activities in Japan", Composites Part B, Engineering, 28, 1997, pp.1-4.

2. Suresh, S. and Mortensen, A., "Fundamentals of Functionally Graded Materials", Institute of Materials, London, 1998.

3. Fukui, F., "Fundamental Investigation of Function- ally Gradient Material Manufacturing System Using Centrifugal Force", JSME International Journal Series III, 34, 1991, pp.144-48.

4. Koizumi, M., "The Concept of FGM", Ceramic Transactions Functionally Graded Material, 34, 1993, pp. 3-10.

5. Yamaoka, H., Yuki, M., Tahara, K., Irisawa, T., Watanabe, R. and Kawasaki, A., "Fabrication of Functionally Gradient Material by Slurry Stacking and Sintering Process", Ceramic Transactions Functionally Gradient Material, 34, 1993, pp.165-72.