Three kinds of new viscoelastic damping materials are applied in railway vehicles to reduce internal noise. 三种新型粘弹性阻尼材料应用于铁路车辆降低车内噪声。
An efficient and accurate non-stationary random vibration algorithm for the composite laminated structures attached with viscoelastic damping layer was proposed. 提出了对敷设黏弹性阻尼层的复合材料层合结构非平稳随机振动分析的高效精确算法。
