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Lamb Wave Analysis in Anisotropic Multilayer Piezoelectric-piezomagnetic Material | ||
| Journal of Applied and Computational Mechanics | ||
| دوره 8، شماره 2، تیر 2022، صفحه 629-640 اصل مقاله (913.07 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22055/jacm.2021.38165.3168 | ||
| نویسندگان | ||
| Hamdi Ezzin* 1؛ Mohamed Mkaoir2؛ Zhenghua Qian3؛ Mohammad Arefi4؛ Raj Das5 | ||
| 1State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 29 Yudao Jie, Nanjing, 210016, China | ||
| 2Laboratory of Physics of Materials, Faculty of Sciences of Sfax, Route de la Soukra km 3.5, Sfax, 1171 3000, Tunisia | ||
| 3State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 29 Yudao Jie, Nanjing, 210016, China | ||
| 4Department of Solid Mechanics, Faculty of Mechanical Engineering, University of Kashan, Kashan, 87317-51167, Iran | ||
| 5Aerospace Engineering and Aviation, School of Engineering, RMIT University, Plenty Road, Victoria, 3082, Australia | ||
| چکیده | ||
| The dynamic response of an anisotropic multilayer magneto-electro-elastic (MEE) plate due to an external excitation is investigated in this work, using the stiffness matrix approach. A parametric study is performed by varying the stacking sequence, polarization direction, boundary conditions, and interlayer thickness. The proposed method yields the numerical estimation of the dispersion curve and the free vibration of the Lamb waves for different crystallographic orientations and magneto-electric boundary conditions. It is demonstrated that the anisotropy highly affects the dispersion curve and the non-dimensional frequency, and also decreases the interlayer thickness of the magneto-electro-elastic multilayer and raises the phase velocity of the fundamental symmetric Lamb mode vibration. The key outcomes of this research can serve as a reference in the design and analysis of new smart magneto-electro-elastic structures. | ||
| کلیدواژهها | ||
| Lamb waves؛ Anisotropic materials؛ Multilayer piezoelectric/piezomagnetic material؛ Natural frequency؛ Dispersion curve | ||
| مراجع | ||
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