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Erik Nilsson, Sylvain Ménard, Delphine Bard Hagberg and Nikolaos-Georgios Vardaxis
Sound reduction is complex to estimate for acoustical treatments on ventilation ducts through walls. Various acoustical treatments are available for ventilation ducts, including internal lining (absorption along the inner perimeter), external lagging (ex...
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Jianhua Cheng, Lili Guo, Hui Wang and Zhilin Dun
At present, the research results for the stress response and deformation characteristics of composite support structures are mostly based on ideal or standard working conditions. External disturbances often exist in practical engineering, which makes the...
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