First, the fundamental characteristics, mathematical model, dissipation mechanics and the performance indices of viscoelastic materials are briefly introduced. The finite element dynamic equations of viscoelastic structures and elastic-viscoelastic structures in time domain are presented.
首先,简要介绍了粘弹性材料的基本特性、数学模型、耗能机理以及衡量粘弹性材料的性能指标;总结了时域内粘弹性结构、弹性——粘弹性复合结构的有限元动力学方程,并简单介绍了粘弹性材料阻尼的铺设方式以及用于阻尼结构的计算分析的几种有限元方法。
参考来源 - 粘弹性复合井字梁的减振分析·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，对粘弹性结构采取随机分析是非常必要的。
Therefore, it is necessary to carry out the random analysis for viscoelastic structure vibrations.
同时也概略地介绍了单一粘弹性结构动力问题的有限元方法。
The finite element method for analyzing dynamic problem of viscoelastic structure is briefly discussed.
采用近似不可压缩有限元方法，分析了粘弹性结构的动力响应。
Dynamic response of viscoelasticity structure is analyzed based on nearly incompressible finite element method.
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