期刊
AEROSPACE SCIENCE AND TECHNOLOGY
卷 119, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2021.107179
关键词
Magneto-electro-elastic; Thermal post-buckling; Generalized differential quadrature method; Laminated beams
资金
- National Natural Science Foundation of China [11872319]
This paper investigates the thermal post-buckling behaviors of magneto-electro-elastic laminated beams, modeling the beams using Timoshenko beam theory with von Karman geometric nonlinearity. The study focuses on thermal post-buckling paths, post-buckling vibration characteristics, and magneto-electric potential responses, discussing the effects of lay-up modes, thermal load types, and magneto-electric fields.
The present paper is concerned with the thermal post-buckling behaviors of magneto-electro-elastic laminated beams. Timoshenko beam theory accompanying the von Karman geometric nonlinearity is considered to model the beams. Temperature and magneto-electric fields are obtained based on satisfying the interfacial continuity conditions and corresponding boundary conditions, and then introduced into the stress-strain constitutive relationships. Afterwards, three governing equations of motion are established with respect to the generalized kinematical variables according to Hamilton's principle, and solved by the generalized differential quadrature method and pseudo-arc length continuation technique. The numerical results aim at the studies on thermal post-buckling paths, post-buckling vibration characteristics and magneto-electric potential responses, the effects on which the lay-up modes, thermal load types and magneto-electric fields exert are discussed. (C) 2021 Elsevier Masson SAS. All rights reserved.
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