Proceedings of the 2025 International Conference on Electronics, Electrical and Grid Technology (ICEEGT 2025)

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Structural Optimization and Strength Analysis of Aircraft Optical Pods

Authors
Yuxin Bo1, *
1Leicester International Institute, Dalian University of Technology, Dagong Road No.2, Dalian, Liaoning, China
*Corresponding author. Email: 031209bo@dlut.edu.cn
Corresponding Author
Yuxin Bo
Available Online 18 February 2026.
DOI
10.2991/978-94-6463-986-5_54How to use a DOI?
Keywords
Aircraft optical pods; Structural optimization; Strength analysis; Multi-physics coupling; Topology optimization
Abstract

Aircraft optical pods, the core of aviation optoelectronic systems, must maintain ≤ 0.1mrad optical axis stability under -40 ℃ ~80 ℃ temperature alternation, 10-2000Hz vibration, and 3-5g overload. Traditional aluminum structures suffer 0.2-0.5mm thermal deformation, while existing studies neglect the temperature’s impact on material properties. This study built a thermo-structural-vibration multi-physics coupling model, verified Ti-B₂ composite interface compatibility via DFT, and used topology optimization (SIMP method) under multi-conditions (80 ℃ temperature difference, 87.5Hz resonance, 3g overload) with constraints on compliance, thermal deformation, and vibration stress. Optimized structures (oblique double-rib support, “annular + radial rib” cylinder) reduced compliance by 21.6%, thermal deformation by 15.6%, and vibration stress by 10.3%, meeting requirements. Challenges include excessive resonance above 1000Hz, reduced aluminum fatigue strength at 80 ℃, and approximately 15% fatigue life prediction error. Future work focuses on multi-scale interface optimization, intelligent sensing, new material engineering, and full-system design, with strategic value for high-end aviation optoelectronic equipment.

Copyright
© 2026 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 2025 International Conference on Electronics, Electrical and Grid Technology (ICEEGT 2025)
Series
Advances in Engineering Research
Publication Date
18 February 2026
ISBN
978-94-6463-986-5
ISSN
2352-5401
DOI
10.2991/978-94-6463-986-5_54How to use a DOI?
Copyright
© 2026 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Yuxin Bo
PY  - 2026
DA  - 2026/02/18
TI  - Structural Optimization and Strength Analysis of Aircraft Optical Pods
BT  - Proceedings of the 2025 International Conference on Electronics, Electrical and Grid Technology (ICEEGT 2025)
PB  - Atlantis Press
SP  - 522
EP  - 534
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-986-5_54
DO  - 10.2991/978-94-6463-986-5_54
ID  - Bo2026
ER  -