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Modeling and analysis of self-sustaining oscillation behavior of liquid crystal elastomer fiber/baffle system under stable full-field illumination

Author

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  • Huang, Chuanyang
  • Yang, Fan
  • Li, Kai
  • Dai, Yuntong
  • Yu, Yong

Abstract

In this research, a self-sustaining oscillation liquid crystal elastomer (LCE) fiber/baffle system was constructed, composed of a light-sensitive LCE fiber and a light-blocking baffle. Under stable full-field illumination, this system can maintain self-sustaining oscillation. By utilizing a well-established LCE dynamics model, a nonlinear model of dynamic behavior for the LCE fiber/baffle system was developed, and the main characteristics of the system were analyzed. The results show that the LCE fiber/baffle system displays two distinct modes: self-sustaining oscillation and static. The system's continuous oscillation is maintained through the equilibrium between the energy from light exposure and the energy loss caused by damping. A detailed analysis of key system parameters that influence the oscillation amplitude and frequency was conducted. Compared to typically complex self-excited oscillation systems, this system stands out for its simplicity and ease of fabrication, without the need for specialized light exposure regions. It is poised to catalyze broader creative design approaches in the fields of micro-devices and mechanical engineering.

Suggested Citation

  • Huang, Chuanyang & Yang, Fan & Li, Kai & Dai, Yuntong & Yu, Yong, 2025. "Modeling and analysis of self-sustaining oscillation behavior of liquid crystal elastomer fiber/baffle system under stable full-field illumination," Chaos, Solitons & Fractals, Elsevier, vol. 194(C).
    • Handle: RePEc:eee:chsofr:v:194:y:2025:i:c:s0960077925002723
    DOI: 10.1016/j.chaos.2025.116259
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    References listed on IDEAS

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    1. Xu, Peibao & Chen, Yaqi & Sun, Xin & Dai, Yuntong & Li, Kai, 2024. "Light-powered self-sustained chaotic motion of a liquid crystal elastomer-based pendulum," Chaos, Solitons & Fractals, Elsevier, vol. 184(C).
    2. Zhao, Jun & Zhang, Zhongrui & Sun, Xiaodie & Zuo, Wei & Li, Kai, 2025. "Multi-modal self-sustained motions of a silicone oil paper disc on a surface driven by hot steam," Chaos, Solitons & Fractals, Elsevier, vol. 191(C).
    3. Wu, Haiyang & Qiu, Yunlong & Li, Kai, 2025. "Modeling of a light-fueled liquid crystal elastomer-steered self-wobbling tumbler," Chaos, Solitons & Fractals, Elsevier, vol. 191(C).
    4. Wang, Xinzong & Kang, Xiaofang & Ji, Ling & Zhang, Ao & Xia, Guanghui, 2025. "Low frequency vibration energy harvesting of bio-inspired multi-stable piezoelectric vibration system with an adjustable device," Chaos, Solitons & Fractals, Elsevier, vol. 192(C).
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    8. Liu, Junxiu & Qian, Guqian & Dai, Yuntong & Yuan, Zongsong & Song, Wenqiang & Li, Kai, 2024. "Nonlinear dynamics modeling of a light-powered liquid crystal elastomer-based perpetual motion machine," Chaos, Solitons & Fractals, Elsevier, vol. 184(C).
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    2. Dai, Yuntong & Jiang, Xinyan & Wang, Kunxia & Li, Kai, 2025. "A phototunable self-oscillatory bistable seesaw via liquid crystal elastomer fibers," Chaos, Solitons & Fractals, Elsevier, vol. 200(P1).
    3. Wang, Xincheng & Dai, Yuntong & Zhao, Jun, 2026. "Light-driven self-swing of a liquid crystal elastomer fiber-based composite pendulum in magnetic field," Chaos, Solitons & Fractals, Elsevier, vol. 202(P2).
    4. Yu, Yong & Quan, Yuanyuan & Li, Tianyu & Huang, Chuanyang & Ma, Honghao & Li, Kai, 2026. "Self-synchronization of a two-span liquid crystal elastomer continuous beam above a hot platform," Chaos, Solitons & Fractals, Elsevier, vol. 202(P2).
    5. Yong Yu & Renge Yu & Haoyu Hu & Yuntong Dai, 2025. "Modeling Bifurcation-Driven Self-Rotation and Pendulum in a Light-Powered LCE Fiber Engine," Mathematics, MDPI, vol. 13(20), pages 1-24, October.
    6. Dali Ge & Shenshen Wei & Yanli Hu, 2025. "Mathematical Modeling of Light-Powered Self-Adhesion of Peeling Strips via Abrupt Transition," Mathematics, MDPI, vol. 13(21), pages 1-29, October.
    7. Ge, Dali & Bao, Wu & Chen, Haiming & Li, Kai, 2025. "A liquid crystal elastomer-based generator using light-powered self-oscillations," Chaos, Solitons & Fractals, Elsevier, vol. 199(P1).
    8. Xu, Peibao & Ren, Xueli & Zhu, Hongwei & Yu, Yong, 2026. "Development of a self-sustained chaotic stirrer with electrothermal response liquid crystal elastomers," Chaos, Solitons & Fractals, Elsevier, vol. 203(C).
    9. Yu, Yong & Dai, Zheng & Li, Tianyu & Wang, Zhijian & Ma, Honghao & Li, Kai, 2025. "Self-tapping of a liquid crystal elastomer thin beam above a hot plate," Chaos, Solitons & Fractals, Elsevier, vol. 199(P3).
    10. Wang, Xincheng & Li, Leilei & Zhao, Jun & Dai, Yuntong, 2026. "Scallop-inspired self-oscillating actuator via liquid crystal elastomer fibers," Chaos, Solitons & Fractals, Elsevier, vol. 202(P2).

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