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。
The study is focused on the bifurcation and chaos characteristics of the flutter model, and the influence of viscoelastic damping.
通过数值模拟研究了该系统在粘弹阻尼作用下的动力学行为以及粘弹阻尼的影响。
Therefore, the randomness of viscoelastic damping layer obviously influences the resonant response and sound radiation of structure.
因此粘弹性阻尼层的随机性对抑制结构共振响应和声辐射的影响是较大的。
The viscoelastic damping control of steady-state harmonic response of stiffened plate is studied by using modal superposition method.
应用模态叠加法研究了用粘弹性阻尼控制加筋板的稳态简谐响应。
In this paper, we consider the exponential decay of energy of the cantilever Timoshenko beam with local viscoelastic damping on the free end.
本论文研究自由端具有局部粘弹性阻尼的悬臂梁的能量指数衰减问题。
This paper analyzes the natural frequency and modal loss factor of stiffened plates with viscoelastic damping treatment by finite element 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。
The method has been applied to the complex model analysis of a sandwich cantilever beam with viscoelastic damping material core and verified experimentally.
应用上述方法对悬臂约束阻尼层梁的复模态参数进行了分析,并进行了实验验证。
PAN L J, ZHANG B M, DAI F H. Loss factor of viscoelastic damping composite material under harmonic excitation [J]. Journal of Vibration and Shock, 2008, 27(2): 57-60.
[16]潘利剑,张博明,戴福洪。 简谐激励下共固化复合材料黏弹阻尼结构的损耗因子研究[J]。振动与冲击,2008,27(2): 57-60。
In this paper, dynamics performance of viscoelastic damping material are studied and research of the dynamics performance of viscoelastic damping material is discussed.
本文研究介绍了粘弹性阻尼材料动态力学性能,并进行了粘弹性阻尼材料动态特性的数学模拟研究。
The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
计算结果表明,在粘弹性阻尼作用下,衰减系数随振型阶数而增大,振动频率随之不断减小;
Study of the effect of viscoelastic material damping on the dynamic response of flexible multibody systems is made in this paper.
对粘弹性材料阻尼对柔性多体系统动力学瞬态响应的影响进行数值研究。
The influence of damping layer as random variable within each element shows that the random analysis for viscoelastic damped structure is necessary.
阻尼层厚度局部单元随机性的影响表明了对阻尼结构采用随机分析的必要性。
The equivalent linear viscous damping system for the viscoelastic fractional derivative model is discussed here.
这里的粘弹性分数导数模型的等效线性粘性阻尼系统进行了讨论。
YANG J M, ZHONG X D, ZHAO Y Y. Strain energy and damping analysis of composite laminates with two interleaved viscoelastic layers[J]. Engineering Mechanics, 2010, (3): 133-138.
[57] 杨加明,钟小丹,赵艳影。复合材料夹杂双层黏弹性材料的应变能和阻尼性能分析[J]。工程力学, 2010, (3): 133-138。
The theoretical analysis and experimental results show that this method is very efficient to measure the dynamic properties of viscoelastic materials with large damping.
理论分析和实验结果表明,本方法对高阻尼粘弹材料是有效的。
His team has also developed advanced damping technologies such as viscoelastic coupling dampers and viscoelastic-plastic devices for both the wind and seismic protection of high-rise buildings.
他的科研团队研发了先进的阻尼技术如粘弹性耦合阻尼器及弹塑性装置,用于高层结构的抗风和抗震。
As a result, we obtained the damping effect of frame structure with viscoelastic damper and established the reasonable arrangement mode.
最终确定了拉延筋的合理布置方式,并将优化结果应用于实际生产。
The results showed that the value of damping crest was 54% of the idealized one due to the interaction of the resin and the embedded viscoelastic material in the co-curing process;
结果表明,复合材料共固化过程中由于树脂渗透等原因,共固化复合材料的阻尼峰值仅为理想状态的54%左右且阻尼峰值所对应的温度向高温方向移动;
The results showed that the value of damping crest was 54% of the idealized one due to the interaction of the resin and the embedded viscoelastic material in the co-curing process;
结果表明,复合材料共固化过程中由于树脂渗透等原因,共固化复合材料的阻尼峰值仅为理想状态的54%左右且阻尼峰值所对应的温度向高温方向移动;
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