Abstract

The third-order shear deformation theory (TSDT) effects on the thick functionally graded material (FGM) plates-cylindrical shells under thermal vibration are investigated by using the generalized differential quadrature (GDQ) method. The nonlinear coefficient c1 term of TSDT displacement field is used to obtain the equations of motion and the advanced nonlinear shear correction coefficient expression for thermal vibration of thick FGM plates and cylindrical shells, respectively. At the intersection of FGM plates-cylindrical shells, the displacements, stress resultants and moment resultants could be considered and reasonably assumed in the continuity condition for the differential volume in the plates and cylindrical shells, respectively. The effects of advanced nonlinear shear correction, FGM power law index and environment temperature on the thermal stress and center displacement of FGM plates-cylindrical shells are investigated.

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