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Nonlinear dynamic thermal buckling behavior of FG-GPLRC spherical shells and circular plates with porous core
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A semi-analytical approach for dynamic buckling of sandwich functionally graded graphene platelet-reinforced composite (FG-GPLRC) spherical shells and circular plates under dynamic thermal loads with porous core is reported in the present research. Based on the higher-order shear deformation theory (HSDT), the formulations are established, and the large deflection nonlinearity of von Karman with the visco-elastic model of the nonlinear foundation is applied. The structure's nonlinear equations of motion can be obtained utilizing the Euler-Lagrange equations combined with Rayleigh dispersion functions. The dynamic thermal load is assumed to be a linear function of time. Numerical studies are investigated employing the Runge-Kutta method to obtain the dynamic thermal behavior, and the dynamic criterion of Budiansky-Roth can be used to determine the critical buckling temperature. Significant remarks on the dynamic thermal behavior of structures are presented through the investigated examples.
University of Transport Technology
Title: Nonlinear dynamic thermal buckling behavior of FG-GPLRC spherical shells and circular plates with porous core
Description:
A semi-analytical approach for dynamic buckling of sandwich functionally graded graphene platelet-reinforced composite (FG-GPLRC) spherical shells and circular plates under dynamic thermal loads with porous core is reported in the present research.
Based on the higher-order shear deformation theory (HSDT), the formulations are established, and the large deflection nonlinearity of von Karman with the visco-elastic model of the nonlinear foundation is applied.
The structure's nonlinear equations of motion can be obtained utilizing the Euler-Lagrange equations combined with Rayleigh dispersion functions.
The dynamic thermal load is assumed to be a linear function of time.
Numerical studies are investigated employing the Runge-Kutta method to obtain the dynamic thermal behavior, and the dynamic criterion of Budiansky-Roth can be used to determine the critical buckling temperature.
Significant remarks on the dynamic thermal behavior of structures are presented through the investigated examples.
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