固有频率,natural frequency

1)natural frequency
固有频率
1.
Research on natural frequency and vibration model of coke drum structure;
焦炭塔结构的固有频率和振型研究


2.
Improved Calculation Method of the Natural Frequency of Spherical Tanks in Anti-Earthquake Design;
抗震设计中球罐固有频率的改进计算方法


3.
Influence of drilling fluid on natural frequency of drill string lateral vibration;
钻井液对钻柱横向振动固有频率的影响


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2)Inherent frequency
固有频率
1.
The influence of high temperature in deep holes on inherent frequency of drill string lateral vibration;
深井高温对钻柱横向振动固有频率影响研究


2.
Analysis of the inherent frequency of water in a cylinder pipe;
充液直圆管道水体固有频率分析


3.
Approach to inherent frequency analysis of elastic mechanism based on virtual prototyping;
一种基于虚拟样机的弹性机构固有频率分析的新方法


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3)natural frequencies
固有频率
1.
A fast algorithm for natural frequencies of pipe with complex restrictions;
复杂约束管道固有频率的快速算法


2.
Analysis for transverse free vibration of a longitudinally moving fabric is put forward here, with the calculating formula for natural frequencies of the fabric being introduced.
因此对纵向运动织物的自由振动进行了理论分析,给出了其固有频率的计算公式,并对固有频率的几个影响参数进行了讨论。


3.
For the circular plate with both clamped and simply supported boundary condition,the characteristic curves of the first three lowest natural frequencies versus temperature rise of are obtained.
基于形状记忆合金Brinson一维热力学本构关系和圆板小振幅振动理论,研究了径向嵌入SMA丝的圆板在均匀升温场作用下的自由振动响应,获得了周边不可移简支和夹紧圆板的前三阶固有频率随温度变化的特征关系曲线。


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4)nature frequency
固有频率
1.
The mode and nature frequency of pinned-pinned pipes conveying fluid with elastic foundations;
弹性地基两端铰支输流管的模态和固有频率


2.
Experimental research on nature frequency of prestressed concrete beams;
预应力梁固有频率的试验研究


3.
The nature frequency,vibration pattern,and dynamic performance torsion moment of a rolling mill's main drive system are computed with the master and dependent DOF model built by using the master and dependent DOF method to link a speed-down machine's high speed part to low speed part as well as a gear's driver wheel to driven wheel.
使用主从自由度法实现轧机主传动系统中减速机高速端和低速端、齿轮机座主动轮和从动轮之间的连接,建立主从自由度模型计算某轧机主传动系统的固有频率、振型及其在咬钢冲击载荷作用下的响应扭矩,并与分支式模型所得结果进行比较。


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5)intrinsic frequency
固有频率
1.
Influence of corrugation on intrinsic frequency and critical load of arched-metal roof;
波纹对拱型屋面临界载荷和固有频率影响


2.
The calculation of the intrinsic frequency of the liquid rocket propulsion system
液体火箭推进系统液路固有频率计算


3.
The intrinsic frequency of molecular-vibration of nonmetal binary hydrides is calculated with mechanic vibration theory.
　提出了非金属二元氢化物分子振动固有频率的计算原理与方法。


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6)proper frequency
固有频率
1.
The experiment find that while the wheel gear wears away seriously,the meshing frequency disappears,the proper frequency is a frequency of carry wave and the revolve frequence of stalk is modulation frenquency.
齿轮出现严重故障时某个局部故障不仅影响产生故障的部位本身,还将影响系统的其它部分,试验发现齿轮局部严重磨损时啮合频率会消失,产生以固有频率为载波频率故障轴的转频为调制频率的现象,同时发现齿轮断齿时存在复杂载波频率成分且齿轮啮合频率出现复杂调制现象,为严重故障齿轮的诊断提供了依据,避免了因误诊给生产带来的损失。


2.
A simple and feasible method for measuring the proper frequency of the systems is given.
本文通过对振动系统简要的理论分析,得出在单自由度线性系统的简化情况下,系统的弱粘滞阻尼的振动频率与系统的固有频率相差很小。


3.
To probe the calculation method of the proper frequency on horizontal vibration axis through mechanical dynamics analysis and a practice example.
介绍用传递矩阵法进行机械动态分析的思路,通过实例探索在机械动态分析设计中,轴横向振动固有频率的计算方法。


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补充资料：固有频率
又称“本征频率”。振动系统作固有振动时的频率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。

固有频率,natural frequency