Transient responses of functionally graded double curved shallow shells with temperature-dependent material properties in thermal environment

摘要: Abstract An analytical approach is presented to investigate the nonlinear dynamic response and vibration of imperfect eccentrically stiffened FGM double curved thin shallow shells on elastic foundation using a simple power-law distribution (P-FGM) in thermal environment. The formulations are based classical shell theory taking into account geometrical nonlinearity, initial imperfection, temperature-dependent properties Lekhnitsky smeared stiffeners technique with Pasternak type foundation. By applying Galerkin method stress function, explicit relations load-deflection curves for simply supported determined. Effects material properties, temperature, P-FGM environments analyzed discussed. numerical results this paper compared reported other publications.