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.
给出了约束阻尼夹层板固有频率和损耗因子的一种有限元计算方法。
A numerical computation method of the natural frequency and the loss factor of the sandwich plate with constrained damping layer is given in this paper.
分析结果表明阻尼层的刚度和损耗因子极大地影响圆柱壳中的波传播和功率流。
It is found that the stiffness and damping factor of coatings greatly influence the wave propagation and power flow.
对阻尼器不同孔径进行了对比试验，试验结果表明：随着活塞孔径的增大，阻尼器的损耗因子和阻尼比减小，共振频率增加。
The experimental results show that the loss factor and damp ratio decrease, the resonance frequency increases with increase of the aperture of the piston in the damper.
虽然这种结构有一定的阻尼减振作用，但其损耗因子仍然偏低。
Although the structure has certain damping and vibration reducing effects, the loss factor of the structure is still low.
[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。
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.
条件下测定了6种不同配比复合纤维增强阻尼混凝土的损耗因子与储存模量，最后对纤维的阻尼增强机理进行了初步探讨。
Thirdly, the loss tangent and storage modulus for fiber reinforced concretes of 6 different ratios were measured in the range of.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
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