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Advances in Nano Research Volume 11, Number 5, November 2021 , pages 467-477 DOI: https://doi.org/10.12989/anr.2021.11.5.467 |
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Numerical and computational modeling for nonlinear dynamic Simulation of curved shells under multi-physical fields |
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Jing He and Yu Sun
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| Abstract | ||
| This research is devoted to explore the nonlinear vibration characteristics of smart nanoshells under multi-phyisical magneto-electric fields. The nano-scale shell has been treated as a thin shell with prescribed curvature which is modeled by nonlocal elasticity theory. The material composition of the smart nanoshell has been considered as a two phase composite for which the effective properties depend on the percentage of each phase. The discretization of governing equations has been carried out based on differential quadrature method (DQM). It has been exhibited that nonlinear vibration properties of curved nanoshells rely on nonlocality coefficient, piezoelectric phase percentage, radius of curvature, and electrical/magnetic potential. | ||
| Key Words | ||
| DQM; Magneto-electro-elastic material; nanoshell; nonlinear vibrations; nonlocal theory | ||
| Address | ||
| Jing He: Institute for Advanced Studies in Humanities and Social Sciences, Beihang University, Beijing 100000, Beijing, China Yu Sun: CIGIS (China) Limited, Beijing 100007, Beijing, China | ||