结构自振频率 meaning in English
structural frequency
Examples
- As a design method , frequency tuning approach ( fta ) was suggested to be used first to avoid critical frequency ranges
建议人行桥梁设计时应首先采用频率调整法，使结构自振频率尽量不落在敏感频率范围内。 - This paper analyses the impacts of different restrains , different loads and different pre - stress value of cable on the natural vibration frequency , damping ratio and mode of structure
分析不同配重情况、预应力值大小、支座约束对此类结构自振频率、阻尼比、振型的影响规律。 - By the means of lanczos in dynamics analysis of large space grid structure , the thesis workouts inherent frequency and models . this method can solve eigenvalue more fast than that of means called subspace iteration , and can reduce the possibility of losing eigenvalue
通过研究lanczos方法在大型结构动力分析中的应用途径，在程序中采用了该方法来求解空间网格结构的自振频率和振型，使sgscad在计算结构自振频率时速度更快，并减少了漏频现象。 - In the modal analysis , the similarity laws has been introduced to reduce the error during the assessment of the prototype building ' s natural frequency under the insufficient balance weight testing . by the author ' s theory , the prototype natural frequency can be the same even the balance weight of model is changeable
在模态分析方面，本文利用相似性原理，解决了模态试验在配重不足时，求解原型结构自振频率误差过大的问题，并且得出了在不同配重条件下，试验模型与原型结构的频率可以达到一致的相似准数。 - The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability . the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge , wh ich will make the resonance may intensify the response of bridge and vehicles
列车动力作用引起桥梁上部结构的振动可能使结构构件产生疲劳，降低其强度和稳定性；桥梁振动过大可能会对桥上车辆的运行安全和稳定性产生影响；当列车的动力变化频率与桥跨结构自振频率相等或接近时，引起的共振可能会使车桥动力响应加剧。