频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
本文研究了夹层复合加筋板结构的振动声辐射特性。
The sound radiation of viscoelastic composite sandwich plates is researched in this paper.
分析了复合材料面层的弹性常数、泡沫芯层的模量和夹层结构的刚度；
The elastic modulus of foam core and composite skins and the stiffness of sandwich are analyzed.
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