 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 13025 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8110
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| In English (Mech. Solids): | | 4915 |
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| << Previous article | Volume 59, Issue 6 / 2024 | Next article >> |
| X. Liang and Y. Hu, "A Light-Spurred Self-Oscillator of Liquid Crystal Elastomer with Tunable Shielding Area under Constant Irradiation," Mech. Solids. 59 (6), 3584-3600 (2024) |
| Year |
2024 |
Volume |
59 |
Number |
6 |
Pages |
3584-3600 |
| DOI |
10.1134/S0025654424605603 |
| Title |
A Light-Spurred Self-Oscillator of Liquid Crystal Elastomer with Tunable Shielding Area under Constant Irradiation |
| Author(s) |
X. Liang (Hefei University, Hefei, 230601 China, lxd@hfuu.edu.cn)
Y. Hu (Hefei University, Hefei, 230601 China, huyonghang@stu.hfuu.edu.cn) |
| Abstract |
Self-oscillation systems utilizing soft active materials are gaining attention for their potential
in applications like soft actuators, sensors, energy harvesters and micro/nano machines. In this study,
a self-oscillator of liquid crystal elastomer (LCE) with tunable shielding area is constructed, which
encompasses a light-responsive LCE fiber and a tunable shielding tube with mass. A nonlinear
dynamic model for light-spurred self-oscillator motion is proposed and its dynamic behavior is investigated. Computational results reveal that the LCE oscillator exhibits two distinct motion manners:
self-oscillation state and static state. The self-oscillation manner is sustained from the energy competition between absorbed light energy and damping dissipation. The triggering conditions for self-oscillation manner are obtained and the effects of various system parameters on the amplitude and frequency of self-oscillation are probed in detail. In contrast to other existing self-oscillation schemes,
the constructed self-oscillator system is advantageous in some respects, e.g. simple structure, easy fabrication, and high reliability. In addition, the insights gained from this study advance our understanding in self-oscillatory phenomena and offer new design concepts in the fields of soft actuators, sensors, energy harvesters and micro/nano machines. |
| Keywords |
light-spurred, self-oscillation, liquid crystal elastomer, nonlinear, limit cycle |
| Received |
04 October 2024 | Revised |
22 November 2024 | Accepted |
24 November 2024 |
| Link to Fulltext |
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