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Electroelastic effects on local-global buckling of piezoelectric cylindrical shells with stepped thickness

Guo Fu, Jiawei Zhou, Ting Dai and Andi Lai

Vol. 19 (2024), No. 1, 141–156
DOI: 10.2140/jomms.2024.19.141
Abstract

The Hamiltonian system is utilized to establish an accurate buckling solution model for piezoelectric material cylindrical shells with stepped thickness. The critical loads and nonuniform buckling modes are obtained by finding the symplectic eigenvalues and eigensolutions of the Hamiltonian equation. The results show that the transition between local buckling and global buckling can be controlled by an applied voltage. These findings can provide a novel method to control the buckling deformation range and symmetry of cylindrical shells.

Keywords
local-global buckling, piezoelectric cylindrical shells, stepped thickness, buckling control, Hamiltonian system
Milestones
Received: 28 September 2023
Revised: 22 November 2023
Accepted: 3 December 2023
Published: 22 December 2023
Authors
Guo Fu
Department of Mechanics
School of Civil Engineering
Changsha University of Science and Technology
Changsha
China
Jiawei Zhou
Department of Mechanics
School of Civil Engineering
Changsha University of Science and Technology
Changsha
China
Ting Dai
Department of Mechanics
School of Civil Engineering
Changsha University of Science and Technology
Changsha
China
Andi Lai
Department of Mechanics
School of Civil Engineering
Changsha University of Science and Technology
Changsha
China