Structural Strength, Life Reliability and Design Optimization of Aircraft Engines

A special issue of Aerospace (ISSN 2226-4310). This special issue belongs to the section "Aeronautics".

Deadline for manuscript submissions: 31 July 2026 | Viewed by 457

Special Issue Editors


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Guest Editor
School of Energy and Power Engineering, Beihang University, Beijing, China
Interests: uncertainty quantification; reliability analysis; topology optimization

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Guest Editor
School of Aerospace Engineering, Xiamen University, Xiamen, China
Interests: aircraft engine structural strength; structural topology optimization design; multidisciplinary design optimization

Special Issue Information

Dear Colleagues,

The structural integrity and reliability of aircraft engines are fundamental to ensuring flight safety, operational efficiency, and lifetime sustainability. With the increasing complexity of modern aero-engines and their extreme service environments, conventional deterministic design approaches are no longer sufficient to meet the stringent demands of performance, durability, and risk control. This Special Issue aims to provide a comprehensive forum for the dissemination of recent advances in structural strength analysis, life reliability assessment, and optimization methodologies tailored to aircraft engine systems.

We particularly welcome contributions that address the modeling and prediction of structural failure mechanisms under thermo-mechanical loading, incorporating uncertainty quantification and probabilistic methods into reliability-based design. Studies leveraging surrogate modeling, correlation analysis, and advanced optimization algorithms—such as topology optimization and multi-disciplinary design optimization (MDO)—are of strong interest. The integration of computational efficiency with high-fidelity physics-based models and the development of robust, uncertainty-aware design frameworks will be central themes of this issue.

By fostering a cross-disciplinary dialog between structural mechanics, reliability engineering, and design optimization, this Special Issue seeks to advance the theoretical foundations and practical applications of reliable and efficient aero-engine design.

Dr. Xi Liu
Dr. Cheng Yan
Guest Editors

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Keywords

  • lifetime prediction
  • structural design
  • uncertainty quantification
  • reliability evaluation
  • reliability design
  • optimization algorithm
  • topology optimization
  • multi-disciplinary design optimization
  • surrogate model
  • correlation analysis

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Published Papers (1 paper)

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Research

18 pages, 4967 KB  
Article
An Analytical Model for High-Velocity Impacts of Flaky Projectile on Woven Composite Plates
by Chao Hang, Xiaochuan Liu, Yonghui Chen and Tao Suo
Aerospace 2026, 13(2), 126; https://doi.org/10.3390/aerospace13020126 - 28 Jan 2026
Viewed by 110
Abstract
Three-dimensional (3D) woven composites have good impact resistance and are expected to become the fan casing material for the next generation of turbofan engines. Conducting research on the performance of woven composite plates under high-velocity impact of flaky projectiles is of great significance [...] Read more.
Three-dimensional (3D) woven composites have good impact resistance and are expected to become the fan casing material for the next generation of turbofan engines. Conducting research on the performance of woven composite plates under high-velocity impact of flaky projectiles is of great significance for the containment design of the fan casing. Based on the principle of energy conservation, an analytical model for the high-velocity impact of flaky projectiles on carbon fiber woven composite plates was established for three typical failure modes: shear plugging, fiber failure, and momentum transfer. A segmented solution method combining analytical and numerical calculations was developed for the model. The critical penetration velocity of the plate obtained by the analytical method at different roll angles of the projectile is in good agreement with the experimental results, which verifies the accuracy of the analytical model. Moreover, the analytical results indicate that the critical penetration velocity of the plate increases first and then decreases with the roll angle of the projectile. Further energy conversion analysis points out that shear plugging is the main form of energy dissipation for woven composite plates, and the energy dissipation of shear plugging at a roll angle of 30° is higher than that at 0° and 60°. This elucidates the mechanism by which the roll angle of the projectile affects the critical penetration velocity of the plate from the perspective of energy dissipation. Full article
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