粘弹性采用常复数模型,用求解复特征值的方法求得了其固有频率和损耗因子。
The constant complex module of viscoelastic material is used to calculate the frequency and loss factor of the sandwich pate by the complex eigenvalue method.
对敷设粘弹性阻尼的加筋板的固有频率和模态损耗因子进行了分析。
This paper analyzes the natural frequency and modal loss factor of stiffened plates with viscoelastic damping treatment by finite element method.
研究了损耗因子、厚度和填料对聚氨酯弹性体隔声性能的影响。
The Influence of the loss factor, thickness and flake filler on the sound isolation performance of polyurethane elastomer is studied.
但是,由于粘弹性材料的弹性模量和损耗因子往往随频率变化,对设计计算造成了一定的困难。
However, the elastic modulus and loss factor of viscoelastic material usually change with frequency, which will cause difficulties in the calculation of structure dynamics.
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.
本文研究了通过凸缘和弹性材料耦合板结构间振动传递特性,分析了减振隔振措施,导出了耦合损耗因子的计算公式。
This paper describes an investigation into the vibrational transmission between plate structures coupled through flanged joints, including the effects of gasket materials.
利用动态力学分析仪研究了纸质振膜材料的动态力学性能,以及打浆、纸浆种类和化学助剂对纸质振膜材料的密度、弹性模量和损耗因子的影响。
The dynamic mechanical properties of three kinds of paper cone material, including bleached softwood kraft pulp, bleached cotton pulp and unbleached hemp pulp were studied.
利用动态力学分析仪研究了纸质振膜材料的动态力学性能,以及打浆、纸浆种类和化学助剂对纸质振膜材料的密度、弹性模量和损耗因子的影响。
The dynamic mechanical properties of three kinds of paper cone material, including bleached softwood kraft pulp, bleached cotton pulp and unbleached hemp pulp were studied.
应用推荐