Journal
INTERNATIONAL JOURNAL OF MECHANICS AND MATERIALS IN DESIGN
Volume 17, Issue 2, Pages 367-380Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10999-021-09530-4
Keywords
TSDT; Thermal vibration; Spherical shells; GDQ; Nonlinear coefficient; Thick FGM
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The effects of TSDT on the thermal vibration of thick FGM spherical shells were investigated using the GDQ numerical method. The inclusion of the c(1) term of nonlinear coefficient in TSDT displacement helped obtain dynamic GDQ discrete equations. Parametric variables such as environment temperature, FGM power law index, and calculated shear coefficient were found to have significant effects on stress and center deflection in thick FGM spherical shells.
The effects of TSDT on the thermal vibration of thick FGM spherical shells are investigated by using the GDQ numerical method. The c(1) term of nonlinear coefficient in TSDT displacement is included to obtain the dynamic GDQ discrete equations. Parametric variables for environment temperature, FGM power law index and calculated shear coefficient are used to study the main effects on the stress and center deflection. The calculated thermal deflection and stress data of time response and transient response are presented for the thick FGM spherical shells.
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