研究具有粘滞阻尼和三次函数强非线性弹性缓冲包装系统的跌落冲击响应。
The dropping shock of cushioning packaging system with damping and nonlinear elasticity of three order functional relation is investigated.
采用测试信号法，通过计算发电机组的次同步电气阻尼特性，分析所设计的SEDC对发电机组次同步振荡的抑制效果。
By using test signal method, the sub-synchronous electrical damping characteristics of a generator and the impacts of the designed SEDC on the generators electrical damping are analyzed.
为了探讨锚泊线一阶运动的影响，本文通过求解非齐次和齐次方程，分别求得相应的二阶锚链阻尼和二阶锚链力。
In order to find the effect of first-order responses of mooring line, the second order mooring line tension and damping were determined by solving the non-homogeneous and homogeneous equations.
实际分析表明，逆变侧交流母线的强弱以及逆变站不同的控制方式对次同步振荡阻尼特性有显著影响。
The results of practical analysis show that the strength of AC busbar at inverter side and various control modes of inverter station impact the characteristics of SSO evidently.
通过消弧线圈二次辅助绕组接入阻尼电阻的方法解决了阻尼电阻易损坏的问题。
With the way of connecting damp resistor to the secondary assistant winding of arc-suppression, the question of easily destroyed damp resistor is solved.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡（SSO）模态阻尼的影响。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
针对串联补偿系统次同步谐振(SSR)问题的抑制及防止措施，对NGH次同步谐振阻尼方案作了详细的理论分析和仿真研究。
Detail analysis and digital simulations of NGH Scheme are presented for suppression and countermeasures of subsynchronous resonance (SSR) in a power system with series compensation.
在其稳定性分析中给出了不同端面结构、浮环支撑弹簧和二次密封阻尼等的影响。
In the stability analysis of this vibration, the influence of different face configurations, stiffness of the springs supporting the floated ring and damping of the secondary seal are presented.
建立了阻尼缓冲件的优化数学模型，运用ANSYS二次开发技术进行了优化分析，取得了合理的优化结果。
Establishment of damping absorber's optimization model using ANSYS secondary development was optimized and achieved a reasonable optimization results.
采用加速度检波器芯体、增大速度检波器芯体阻尼等措施，可改善二次谐振的危害，经实际应用效果较好。
The harm of the secondary resonance could be improved by the measures such as using the acceleration detector core body, increasing the damp of velocity detector core body and so on.
从能量出发 ，分析线性振子的临界阻尼特性 ，从而证明 ：在特定条件下处于临界阻尼状态的线性振子能越过平衡位置一次 ；
After analysing the linear oscillator in the overdamping states, it is concluded that under the special initial conditions the linear oscillator can cross the position of equilibrium only once;
从能量出发 ，分析线性振子的临界阻尼特性 ，从而证明 ：在特定条件下处于临界阻尼状态的线性振子能越过平衡位置一次 ；
After analysing the linear oscillator in the overdamping states, it is concluded that under the special initial conditions the linear oscillator can cross the position of equilibrium only once;
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