Thermal buckling of annular microstructure-dependent functionally graded material plates resting on an elastic medium

First, modified couple stress theory is extended in the presence of thermo-mechanical loading. To this end, the generalized form of Hamilton's principle as well as constitutive relations are derived in general curvilinear coordinates. Then using the developed formalism, the bifurcation-type buckling of heated annular plates composed of functionally graded materials (FGMs) and resting on an elastic foundation is analytically studied. The...