1) natural frequency
自振频率
1.
Calculating method of natural frequency of pile in layered soils;
层状地基中单桩自振频率的计算方法
2.
Simplified calculating method for natural frequency of aqueduct structures with framed bent support;
排架支承式渡槽自振频率的简化计算方法
3.
Calculation of the natural frequency of main frame in radial gate;
弧门主框架自振频率计算
2) natural vibration frequency
自振频率
1.
Research on influencing of crack to natural vibration frequency of brief-beam;
开裂对简支梁自振频率影响研究
2.
Analysis of natural vibration frequency of concrete beams externally prestressed with AFRP tendons;
AFRP筋体外预应力混凝土梁的自振频率分析
3) free vibration frequency
自振频率
1.
Based on some assumptions,the free vibration frequency of the structures with an outrigger is analyzed,and the relation between the location of the outrigger and the free vibration frequency is inferred through a computer program.
在一些假定的基础上,运用结构动力学关于分布参数体系的振动理论,考虑核心筒剪切变形的影响,对带有水平加强层体系的高层建筑进行动力分析,编制了计算机算法程序,得出了该体系前三阶自振频率与加强层位置的关系,并对核心筒剪切变形所引起振动频率的变化进行了分析,得出了一些结论可供参考。
2.
In this paper,the effect of shear deformation and rotatory inertia on the free vibration frequency of a link is studied through a simple and accurate formula for the calculation of frequency.
分别通过简便准确的解析频率公式和ANSYS有限元模态分析,计算剪切变形与转动惯量对杆系结构自振频率的影响;研究了可以使用Bernoulli梁模型的梁的具体范围;比较了有限元与精确解的差别;分析了差别产生的原因;指出了忽略剪切变形和转动惯量对损伤识别结果在工程上产生的影响。
3.
This paper studies the problem of optimum design on structural stiffness and free vibration frequency of piezoelectric intelligent trusses.
在压电桁架结构的有限元分析方法基础上 ,考虑电荷载和机械荷载联合作用的机电耦合效应 ,给出了压电智能桁架的位移和自振频率对常规尺寸设计变量和形状设计变量的灵敏度计算公式 ,增加了电压这一类新的设计变量 ,给出了位移对电压的灵敏度计算方法 。
4) self-vibration frequency
自振频率
1.
The article briefly introduces the static and dynamic test of a 4-span continuous box girder, analyzes the static and dynamic characteristics of the main girder stress, deflection, impact coefficient, self-vibration frequency and etc.
简要介绍了某4跨连续箱梁的静动力试验,并对主梁应力、挠度、冲击系数、自振频率等静动力特性进行了分析,可供同类桥梁的设计借鉴。
2.
The wind speed which can cause the bar resonant vibration has a strong relation with the self-vibration frequency of the bar.
其共振风速和杆件自身的自振频率有很大关系。
3.
This paper analyzes a test on self-vibration frequency of the Baisha Yangzi River Bridge with faster static relative GPS posioning technique.
以GPS快速静态相对定位技术对武汉白沙洲长江大桥进行自振频率测试,采用GPS动态监测的方法,通过对悬索桥关键点的点位测量和三维位移进行动态实时监测以及对测量数据的分析,得出点位时程图,经频谱分析得出长江三桥的自振特征要素。
5) nature frequency
自振频率
1.
Research of nature frequency calculating about soil-superstructure interaction;
土—结构相互作用体系自振频率计算研究
2.
Effect of the pile foundation parameters on single-pile lateral rigidity and bridge pier nature frequency;
桩基参数对单桩横向刚度和桥墩自振频率影响分析
3.
Research of Nature Frequency Calculating Model about Soil-superstructure Interaction;
地基土—上部结构共同作用体系自振频率计算模型研究
6) natural frequency of vibration
自振频率
1.
The stress characteristics of saddle cable net roof vibration was studied,the balanced differential equation of the rectangular saddle cable net non-linear vibration was built based on continuous film theory,the expression of saddle cable net non-linear natural frequency of vibration was deduced with energy method.
研究了鞍形索网屋盖振动时的受力特点,在连续性薄膜理论的基础上建立了矩形鞍形索网非线性振动的平衡微分方程,采用能量法推导出了鞍形索网的非线性自振频率的解析表达式,讨论并分析了激励幅值和索网拱度对索网的自振频率的影响,并得到各参数与自振频率的关系曲线,结果表明:激励幅值与索网拱度都是自振频率的增函数。
2.
It takes the deflection of shaft with dynamic load as the initial point to analyze the distortion,spring constant and natural frequency of vibration are carried out.
以离心力对轴系的动载荷所引起轴的挠度为出发点,对轴的弯曲变形、轴系的弹性系数、轴系自振频率等进行了理论分析和计算,确定了轴系设计的各主要参数,并进行了轴系的强度校核,解决了轴系偏心问题,确保了抛料机的正常工作。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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