دوره 15، شماره 4 - ( 9-1404 )
جلد 15 شماره 4 صفحات 4899-4895 |
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Heidarpour B, Rahi A, Shahravi M. Numerical and Experimental Analysis of the Vibration Response of Lithium-Ion Battery Packs. ASE 2025; 15 (4) :4895-4899
URL: http://ase.iust.ac.ir/article-1-728-fa.html
URL: http://ase.iust.ac.ir/article-1-728-fa.html
Numerical and Experimental Analysis of the Vibration Response of Lithium-Ion Battery Packs. Automotive Science and Engineering. 1404; 15 (4) :4895-4899
چکیده: (360 مشاهده)
This study investigates the dynamic response of a lithium‑ion battery pack subjected to environmental vibrations. Considering the widespread use of such packs in electric vehicles and energy storage systems, and the adverse effects of vibrations on their performance and safety, both numerical and experimental approaches are employed. In the numerical simulation phase, a detailed three-dimensional model of the battery pack, including all components and joints, is developed in Abaqus, and a full modal analysis is performed to extract the natural frequencies and mode shapes of the system. In the experimental phase, modal testing is conducted using an impact hammer and an accelerometer on a physical battery-pack sample under free‑free boundary conditions to validate the simulation results. A systematic comparison between the two approaches demonstrates a good agreement, with the maximum deviation in the primary natural frequencies being less than 10%. This level of consistency confirms the accuracy and reliability of the proposed model. The developed model can serve as an effective tool during the early design stages for mechanical optimization, dynamic behavior prediction, and mitigation of vibration‑induced failures in battery packs. The results of this study mark an important step toward improving the reliability and safety of battery packs in operational environments.
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