1) self-vibration main cycle
自振主周期
2) principal mode of vibration
主振周期
3) natural period of vibration
自振周期
1.
Influence of the vertical loads and eccentricity on the bent frame’s natural period of vibration;
竖向荷载对排架结构自振周期的影响
2.
And then,by using structural mechanics,we analyze and calculate tank horizontal stiffness and natural period of vibration,and stress of lower support columns and tie-rod under the effects of horizontal seismic force and wind .
将球壳和上支柱处理为刚体,球罐质量集中于球心,下支柱处理为结构梁,拉杆处理为只能受拉的绳索(计算中只考虑受拉拉杆),按结构力学分析计算球罐水平刚度和自振周期,以及在水平地震力和风力载荷作用下,下支柱和拉杆的应力(也可考虑基础不均匀沉降球罐整体倾斜的影响)。
3.
A mathematical expression to determine the natural period of vibrations of hanging tower was obtained by solving the equation of the transverse vibration using the analytical model of elastic continuous body and the method of numerical solution.
根据悬挂式塔设备的固定条件与连续条件 ,利用弹性连续体分析模型与数值解法求解振动方程 ,提出了简支条件下悬挂式塔设备自振周期的计算方法。
4) natural period
自振周期
1.
Study on natural period of homogeneous rock slope and its estimation method
均质岩石边坡自振周期及其估算方法研究
2.
Structural natural periods are important indexes to reflect on absorbed seismic energy, a formula for structural frequency is deducted according to variation principle in this paper, various ap.
结构自振周期是直接反映结构吸收地震能量多少的重要指标 ,本文基于能量变分原理推导了结构频率的计算公式 ,介绍了工程中计算结构自振周期常用的几种近似方法 ,讨论了影响结构自振周期的主要因素。
3.
The natural periods and modes of the CFT arch bridge are calculated by using the subspace iteration method.
以京珠高速公路郑州黄河大桥主桥为研究对象,采用ANSYS有限元程序,建立了下承式钢管混凝土系杆拱桥的空间力学计算模型,利用子空间迭代法计算了该桥梁结构的自振周期和振型,对桥梁的模态特性进行了分析,计算结果可为该桥的设计、施工以及使用阶段的健康检测和维护提供技术参数和依据。
5) free vibration period
自振周期
1.
Moreover, the effects of the mass and rigidity of the basement on the free vibration period are investigated.
为获得把地下室顶板作为上部结构的嵌固部位计算的确定条件,讨论了带地下室高层结构的动力计算模型,分别对带地下室剪切型、弯曲型、弯剪型及剪弯型房屋的动力性态进行了计算分析,并探讨了地下室质量与刚度对自振周期的影响。
2.
As the free vibration period is smaller than ten times sampling interval the errors are larger (even over two times as larger as the spectrum from the numerical algorithms.
得出的结果表明:自振周期低于10倍采样间隔时,数值法将产生较大的(甚至可达一倍以上)误差。
6) natural vibration period
自振周期
1.
Comparison analysis of natural vibration period of frame-shear wall structure under different constraint conditions
地下室不同约束条件下框-剪结构自振周期对比分析
2.
From the result of the measurement of the natural vibration period and the vibration type for 65 columns with the self-support of frame, it is founded that the vibration type of this kind column is deferent from that of columns anchored on the ground.
对６５台框架塔的自振周期和振型进行实测，发现基本振型与落地塔不同，塔体呈弯曲变形而框架部分呈剪切变形。
3.
The results which take the composite effect into account show that the natural vibration period .
计算结果表明,考虑钢框架的组合作用后,结构整体自振周期变短,基本自振周期降低了13。
补充资料：振主
1.犹暴君。 2.谓臣下震动君主。振，通"震"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条