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Smart Structures and Systems Volume 33, Number 3, March 2024 , pages 243-251 DOI: https://doi.org/10.12989/sss.2024.33.3.243 |
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Modeling of vibration protection by shape memory alloy parts with an account of latent heat |
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Fedor S. Belyaev, Margarita E. Evard, Aleksandr E. Volkov and Maria S. Starodubova
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| Abstract | ||
| Modeling of vibrations of a rotating pendulum with working shape memory alloy rod has been performed in the frames of a microstructural model taking into account the latent heat release, absorption and the heat exchange during direct and reverse martensitic transformation. It has been shown that the influence of the latent heat, the rate of preliminary deviation of the pendulum from the equilibrium, the rate of heating and cooling can have a significant impact on the vibrations and damping characteristics of the system. | ||
| Key Words | ||
| damping; heat exchange conditions; latent heat; microstructural modeling; shape memory alloys; TiNi; vibration protection | ||
| Address | ||
| (1) Fedor S. Belyaev: Laboratory of Mathematical Methods in Mechanics of Materials, Institute for Problems in Mechanical Engineering of the RAS, V.O., Bolshoj pr. 61, St. Petersburg, 199178, Russia; (2) Fedor S. Belyaev, Margarita E. Evard, Aleksandr E. Volkov, Maria S. Starodubova: Saint Petersburg State University, Universitetskaya Nab. 7-9, St. Petersburg, 199034, Russia. | ||