期刊
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
卷 28, 期 12, 页码 4877-4891出版社
KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/s12206-014-0801-3
关键词
Structronic shell; Thermo-magneto-electro-elastic; Laminated shell; Smart composite; Linear analysis
资金
- Universiti Teknologi PETRONAS
Modeling of piezo-laminated shell structure and/or shell embedded smart lamina influenced by thermo-magneto-electro-elastic load presents a challenge to be formulated and solved. We derived an analytical model based on the first-order transversally shear deformation theory with involvement of Codazzi-Gauss geometrical discretion. The present invented model and the desired boundary conditions were rigorouslyderived using Hamilton's principle with cooperationof Gibbs free energy functions. The model was castin theversion of a general laminated composite shell of revolution, in order to be simplified to account for most occurring shell geometries, and intended for wide range of smart materials. To ensure a conventional effective medium model, a rectangular plane shell of zero and large curvatures wasselected for analysis to justify the model. Hence, the generic forced-solution procedures for the response were derived, and its natural frequencies were evaluated in a simply supported boundary condition. Investigatedexamples areaccompanied and noteworthy conclusions drawn which highlight the issues of the implementation of the exact solution, implication of the effects of the material properties, lay-ups of the constituent layers, and shell parameters on the free vibrational behavior.
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