Experimental and Numerical Study of Shape Memory Alloys for Vibration Amplitude Reduction in Mechanical Structures Manuscript Received: 7 December 2024, Accepted: 23 January 2025, Published: 15 March 2025, ORCiD: 0000-0002-2016-4825, https://doi.org/10.33093/jetap.2025.7.1.9

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Article
Published: Mar 15, 2025
DOI: https://doi.org/10.33093/jetap.2025.7.1.9
Keywords:
Shape Memory Alloys, Adaptive vibration control, Finite element modeling, Resonant frequencies, Thermal activation

Main Article Content

Hyginus Chidiebere Onyekachi Unegbu
Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Nigeria.
Danjuma Saleh Yawas
Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Nigeria.
Bashar Dan-asabe
Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Nigeria.
Abdulmumin Akoredeley Alabi
Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Nigeria.

Abstract

This study explores the effectiveness of Shape Memory Alloys (SMAs) for adaptive vibration control in mechanical structures through both experimental and numerical methods. SMAs were integrated into a cantilever beam, and their performance was assessed across different temperatures and vibration frequencies. The results demonstrate that SMAs can reduce vibration amplitudes by up to 45%, particularly at resonant frequencies when activated at elevated temperatures (75°C). A finite element model was developed to simulate the behavior of the system, showing strong correlation with experimental data, with a root mean square error (RMSE) of less than 4%. The validated model was further used to predict SMA performance under conditions not tested experimentally, confirming its reliability for broader applications. These findings show the potential of SMAs as compact, adaptive, and energy-efficient solutions for vibration control in sectors such as aerospace, automotive, and civil engineering. Future research should focus on optimizing activation response times, improving long-term durability, and exploring more complex structural designs for enhanced performance.

Article Details

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Vol. 7 No. 1 (2025): https://doi.org/10.33093/jetap.2025.7.1
Section
Articles
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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