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。
Using a higher module and thickness viscoelastic layer will decrease the amplitude of interlaminar transverse stress. 采用较高模量和厚度的粘弹性阻尼材料将有效地降低潜艇耐压壳在流场中阻尼振动的层间应力的幅值。