Vol. 14, No. 4, 2019

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Applications of extended higher order sandwich panel theory for plates with arbitrary aspect ratios

Faisal Siddiqui and George A. Kardomateas

Vol. 14 (2019), No. 4, 461–472
Abstract

In this paper, solutions for a transversely loaded simply supported case with several different plate configurations based on extended higher-order sandwich panel theory (EHSAPT) are outlined and numerical results are presented. The results are also compared to established elasticity solutions and validation of EHSAPT for plates of arbitrary aspect ratios is made. The results are also compared to existing classical and first-order shear models for completeness. The results show excellent agreement both for displacements and stresses through the core. Analytical formulations and solutions to the natural frequency analysis of simply supported composite sandwich plates are also presented. The effects of variation of geometrical parameters of the structure on the natural frequency are also studied.

Keywords
sandwich panel, plate, arbitrary aspect ratio, EHSAPT
Milestones
Received: 4 December 2018
Revised: 24 April 2019
Accepted: 4 June 2019
Published: 13 December 2019
Authors
Faisal Siddiqui
Georgia Institute of Technology
Atlanta, GA
United States
George A. Kardomateas
Georgia Institute of Technology
Atlanta, GA
United States