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The study aims to develop an optimization framework for integrating composite laminates in low-floor light rail vehicles.

February 2, 2026MaterialsOpen Access

Multistage Static and Dynamic Optimization Framework for Composite Laminates in Lightweight Urban Rail Vehicle Car Bodies

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This framework optimizes composite laminates for lightweight rail vehicles, suggesting improved design efficiency and compliance.

The study aims to develop an optimization framework for integrating composite laminates in low-floor light rail vehicles.
Developed a multistage optimization framework addressing both static and dynamic requirements.
Investigated two 10-ply laminate configurations: symmetric and asymmetric.
Ensured compliance with European structural standards during the optimization process.
Achieved a 66% reduction in laminate thickness compared to the baseline design.
Increased failure index by approximately 22.5% and 23.3% for the two configurations.
Preserved structural dynamic integrity with a maintained fundamental natural frequency of about 16 Hz.

Cascino et al. (2026) studied this question.

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