Structural Engineering and Mechanics

Volume 85, Number 2, 2023, pages 217-231

DOI: 10.12989/sem.2023.85.2.217

Comparative study on the bending of exponential and sigmoidal sandwich beams under thermal conditions

Aman Garg , Mohamed-Ouejdi Belarbi , Li Li , Hanuman D. Chalak , Abdelouahed Tounsi

Abstract

The bending analysis of sandwich functionally graded (FG) beams under temperature circumstances is performed in this article utilizing Navier's solution-based parabolic shear deformation theory. For the first time, a comparative study has been carried out between the exponential and sigmoidal sandwich FGM beams under thermal conditions. During this investigation, temperature-dependent material characteristics are postulated. Both symmetric and unsymmetric sandwich examples have been studied. The effect of gradation law, gradation coefficient, and thickness scheme on beam behavior has been thoroughly investigated. Three possible temperature combinations at the top and bottom surfaces of the beam are also investigated. Beams with a higher proportion of ceramic to metal are shown to be more resistant to thermal stresses than beams with a higher proportion of metal.

Key Words

bending; Navier

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