Abstract
The present study aims to investigate the acoustic phenomenon of a spherical rigid-body collision with an elastic membrane stretched over a pressurised air cavity and analyse the effect of the air cavity on the frequencies and relative amplitudes for each mode of vibration of the membrane.
The impact of the ball with the membrane is modelled to obtain the initial acceleration, and we also investigated the effect of the pressurized air cavity on the frequencies produced. We modelled the air loading using Green Functions, and included viscoelastic damping in our equations to solve for the relative amplitudes. Various parameters were investigated, such as membrane tension, ball dimensions, impact conditions and cup length.
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Jindong, L.V., Vijoy, A. (2023). Quantifying the Effects of Air Pressure on a Vibrating Tensioned Elastic Membrane. In: Lu, J., et al. Proceedings of the 9th IRC Conference on Science, Engineering, and Technology. IRC-SET 2023. Springer, Singapore. https://doi.org/10.1007/978-981-99-8369-8_38
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DOI: https://doi.org/10.1007/978-981-99-8369-8_38
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