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Vibrational Analysis of a Splash Cymbal by Experimental Measurements and Parametric CAD-FEM Simulations

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Vydáno v:Vibration vol. 7, no. 1 (2024), p. 146
Hlavní autor: Brezas, Spyros
Další autoři: Kaselouris, Evaggelos, Orphanos, Yannis, Tatarakis, Michael, Makis Bakarezos, Papadogiannis, Nektarios A, Dimitriou, Vasilis
Vydáno:
MDPI AG
Témata:
United States > US
France
Musical instruments
Finite element method
Simulation
Mathematical analysis
Investigations
Interferometry
Speckle patterns
Modal damping
Numerical models
Approximation
Mathematical models
Computer aided design > CAD
Modal analysis
Percussion
Impulse response
Curvature
Damping ratio
Accelerometers
Vibration
Sound
Electronic speckle pattern interferometry
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Abstrakt:The present study encompasses a thorough analysis of the vibrations in a splash musical cymbal. The analysis is performed using a hybrid methodology that combines experimental measurements with parametric computer-aided design and finite element method simulations. Experimental measurements, including electronic speckle pattern interferometry, and impulse response measurements are conducted. The interferometric measurements are used as a reference for the evaluation of finite element method modal analysis results. The modal damping ratio is calculated via the impulse response measurements and is adopted by the corresponding simulations. Two different approximations are employed for the computer-aided design and finite element method models: one using three-point arcs and the other using lines to describe the non-smooth curvature introduced during manufacturing finishing procedures. The numerical models employing the latter approximation exhibit better agreement with experimental results. The numerical results demonstrate that the cymbal geometrical characteristics, such as the non-smooth curvature and thickness, greatly affect the vibrational behavior of the percussion instrument. These results are of valuable importance for the development of vibroacoustic numerical models that will accurately simulate the sound synthesis of cymbals.
ISSN:2571-631X
DOI:10.3390/vibration7010008
Zdroj:Engineering Database