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Structural Engineering and Mechanics Volume 91, Number 4, August25 2024 , pages 417-426 DOI: https://doi.org/10.12989/sem.2024.91.4.417 |
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Experimental and theoretical analysis of electronic musical structures with smart nanoparticles |
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Jing Han, Maryam Shokravi and F. Ming
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| Abstract | ||
| Nanotechnology has emerged as a promising avenue for enhancing musical structures. In this study, we analyze the static behavior of laser harp (i.e., electronic musical instrument) reinforced with Zinc Oxide (ZnO) nanoparticles. Leveraging the piezoelectric properties of ZnO nanoparticles, the structure is subjected to an electric field for intelligent control. The electronic musical structure is situated in a foundation with vertical springs and shear modulus constants. We employ the exponential Shear Deformation Beam Theory (ESDBT) to mathematically model the structure. A micro-electro-mechanical model is employed to determine the equivalent properties of the system. By utilizing nonlinear stress-strain relations, energy methods, and Hamilton's principle, we derive the motion equations. The buckling load of the electronic musical beam is calculated using the Difference Quadrature Method (DQM). The primary objective of this study is to present a mathematical model for electronic musical beams and determining the buckling load of the structure and to investigate the influence of nanotechnology and electric fields on its buckling behavior. The buckling is the case when the structure becomes deforms and unstable. Our findings reveal that the application of negative external voltage to the electronic musical structure increases both the stiffness and the buckling load of the musical system. Furthermore, reinforcing the electronic musical structure with ZnO nanoparticles results in an increased buckling load. Notably, the maximum enhancement in the 28-day compressive and tensile strengths of samples containing zinc oxide nanoparticles compared to the control sample resulting in increases of 18.70% and 3.77%, respectively. | ||
| Key Words | ||
| electronic musical structures; experimental and theoretical analysis; external voltage; model; ZnO nanoparticles | ||
| Address | ||
| Jing Han: Elementary Education College, Zaozhuang University, 277160, Shandong Province, China Maryam Shokravi: Energy Institute of Higher Education, Mehrab High School, Saveh, Iran F. Ming: College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China | ||