This method possesses the desirable properties of high accuracy, inherent numerical stability (no wiggles), non numerical damping and algorithm simplicity.
方法具有高阶精度，不呈现数值振荡，不带有可感受的数值衰减，计算过程稳定，计算方法简便等优点。
Numerical results showed that if the shell was partially covered wi th a damping layer, its sound radiation would be greater than that of the ba re shell due to leak effect.
结果表明圆柱壳部分覆盖阻尼层后，由于声漏效应，壳体声辐射与光壳相比会增强。
Damping model of er fluid which included the viscous and hysteresis damping is established and proved to be effectiveness through Fourier transformation and numerical simulation.
建立了由粘性阻尼和迟滞阻尼组成的电流变流体阻尼模型，通过对模型的傅立叶变换及数值仿真，验证了理论分析及阻尼模型的正确性。
The article summarizes the dynamic analysis method and the artificial boundary and damping of numerical dynamic analysis in previous.
本文对以往数值动力时程分析过程中的动力分析方法、人工边界、阻尼等问题进行了总结。
Numerical analysis of the composite bending stiffnesses and the loss factors of the different interlayer damping structures have been carried out.
研究表明，增加多夹层组合结构的夹层层数对组合结构损耗因子的提高量有限；
Based on static analysis, the added mass and added damping of a buoy are calculated by three dimensional potential flow numerical calculation program.
本文在静力计算的基础上，应用三维势流理论数值计算程序计算浮标体的附加质量(矩)、阻尼系数和所受波浪力。
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.
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。
The numerical results show that the hydrodynamic damping provides slight contributions for the seismic response of the bridge piles, and then may be ignored for practical application.
讨论了非线性阻尼项对一般桥梁桩、墩结构地震反应的贡献，得到的结论是阻尼项的贡献很小，可以忽略。从而水中桥梁地震反应的计算就得到了很大的简化。
The numerical calculation shows that the restrained gas will reduce the velocity of P waves and increase the damping constants corresponding to P …
数值算例指出，束缚空气的存在将使P波速度降低而使其相应的阻尼常数增大，但对S波却无影响。
The numerical calculation shows that the restrained gas will reduce the velocity of P waves and increase the damping constants corresponding to P …
数值算例指出，束缚空气的存在将使P波速度降低而使其相应的阻尼常数增大，但对S波却无影响。
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