Abstract
With the continuous advancement of networks, communication technology, sensor technology, artificial intelligence and other technologies, the field of intelligent industry is booming. As the leader of emerging technologies, digital twin technology has also become the new direction for the next generation of industrial intelligence. Based on the digital twin technology, kapok fiber and mixed fiber nonwoollen materials were designed at different positions of the microperforation, and a composite sound absorbing material with light weight, simple structure and low cost was developed to improve the sound absorption performance of the composite sound absorbing material. Also, based on the transfer matrix method, a sound absorption model of EPDM-based textile structural composite is proposed. The sound absorption coefficient of the composite sound absorber predicted by the transfer matrix model is completely consistent with the experimental test value. The model can be applied to predict and analyze the sound absorption characteristics of EPDM-based textile composite panel structural materials. This work can provide a theoretical basis and application for the structural design of the perforated plate and the porous non-woven material composite sound absorber.
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The data used to support the findings of this study are available from the corresponding author upon request.
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02 April 2024
This article has been retracted. Please see the Retraction Notice for more detail: https://doi.org/10.1007/s10878-024-01150-w
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Acknowledgements
The work was supported by Shang Hai Guang Jiao Chemical Industry in China and Ping Xiang Xin Tao Chemical Industry, Jiang Xi, China.
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Project supported by Provincial Natural Science Foundation of Hunan (2020JJ4245).
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Wang, K., Wang, W. RETRACTED ARTICLE: Sound absorption performance of EPDM-based textile composites investigated through the transfer matrix model. J Comb Optim 45, 33 (2023). https://doi.org/10.1007/s10878-022-00957-9
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DOI: https://doi.org/10.1007/s10878-022-00957-9