Comparison study for thermal buckling behavior of laminated shallow shell

Ibtehal A. Sadiq , Widad I. Majeed

Abstract

Thermal buckling analysis of laminated shallow spherical shell using two higher order theories for first time, based on (Mantari displacement field) and (Reddy displacement field) are developed. The equations of motion are derived using Hamilton’ s principle and solved using Navier-type for simply supported boundary conditions. The effect of various design parameters such as thickness ratio, orthotropy ratio, shallowness ratio and number of layer for laminated shell have been studied also compared with other published results which give good agreement and have same behavior when changing design parameters, and they are closed to each other except that thermal buckling mode sometimes changed.

Key Words

composite material; high shear deformation theory; shells; stability; thermal buckling

Address

Ibtehal A. Sadiq, Widad I. Majeed — Department of Mechanical Engineering, College of Engineering, University of Baghdad, Baghdad, Republic of Iraq

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