natural frequency

Application of Finite Element Analysis to Calculation of U-Shape Bellows Natural Frequency

有限元法在U型波纹管自振频率计算中的应用

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The natural frequency of the press is far higher than the frequency of inertial force.

压机固有频率比惯性力频率高得多.

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Natural frequency reliability sensitivity analysis of a rotor system

转子系统振动的频率可靠性灵敏度分析

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The optimal structural parameters of U-type tube are determined based on the lowest natural frequency principle.

依最低频率点优化设计了U型管的结构参数.

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The fifteenth modal shape and natural frequency under free state are obtained through modal analysis of axle housing.

通过对桥壳的模态分析，得到了桥壳在自由约束状态下前15阶的振型和固有频率。

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The natural frequency and mode shape are very important to design and operation.

桥梁的基频和振型对于桥梁设计和运营中的桥梁来讲是非常重要的参数.

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This thesis finds an approximate solution of the natural frequency to the regular prism in quiescent fluid by the perturbation method, hence avoiding the difficulties in finding its exact solution by a direct way.

本文用摄动法求解了二维正棱柱体在静止流体中固有频率的近似解，从而避免了直接求其精确解所遇到的困难。

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Natural frequency of culvert tail rotor of some kind of helicopter with uncertain composites was studied.

研究具有不确定复合材料参数的某型直升机涵道尾桨的固有频率.

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The natural frequency and sensibility are affected markedly when stiffness changes in low level range.

刚度参数在低值范围内改变时对参数灵敏度和固有频率的影响较明显.

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Research on Natural Frequency and Dynamic Model of RV Reducer

RV减速器的动力学模型与固有频率研究

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The natural frequency of horizontal vibration increase with the guide wheel stiffness " increasing. "

电梯导轮刚度的增加会引起 电梯系统 水平振动各阶固有频率的增加.

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Natural frequency and vibration mode obtained via mode analysis and experiment will be used to instruct the production and utilization of fire truck.

通过对臂架进行模态理论分析和模态试验，得到臂架的固有频率和振型，指导云梯的生产和使用，防止共振。

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Have studied dynamic analysis of socle beam structure and undamped-free vibration system. Natural frequency and mode of vibration computed have a comparison between interval and certain parameters on diagram about structural mode of vibration.

研究了悬臂梁结构和无阻尼自由振动系统的动力分析问题，计算的固有频率和振型与确定性参数计算值结果做了比较，并分析了结构各阶模态图。

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Also, with changes in boundary density, the natural frequency would show significant changes ( p 0.05 ).

而随边界密度的不同, 植体自然频率亦有不同的差异 ( p0.05 ).

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Keywords: micro-gyroscope , silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes.

关键词: 微型陀螺仪 、 矽单晶 、 三轴 角速率 感测 、 振动自然频率与模态.

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Function approaching solution of finding natural frequency of structure by dynamic substructure method

用动态子结构法求结构固有频率的函数逼近解

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By vibration mechanics theory the calculating formula of natural frequency of hanging pipe water is established.

用振动力学推导出了管道悬空段固有频率的计算公式,管道悬空段的长度越大,其固有频率越低.

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Under the low-order natural frequency's vibration, weldment's mean stress value reduces about 40 %-55 % .

在 低阶 固有频率的振动下, 焊接件的平均应力值降低 40%-55% 左右.

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The computing method for natural frequency of feeding machine is introduced.

介绍了吐丝机固有频率的电算方法.

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The initial fourth order natural frequency are obtained through natural vibration analysis.

通过固有振动特性分析,得到振动系统的前四阶固有频率.

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This paper takes a type gas turbine rotor analyze its natural frequency and modal shape.

介绍了某型燃气轮机转子模态试验,试验测得转子静态固有频率和模态振型.

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Investigation on Experimental Sensitivity of Work Device Natural Frequency of Hydraulic Excavator

液压挖掘机工作装置固有频率的试验灵敏度

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Theory solution of the natural frequency of the single tripod sliding universal joint is performed.

对单联三叉杆滑块式万向联轴器的固有频率进行了理论求解。

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Simple test of natural frequency of travel direction vibration of trolley in quayside container crane

岸边集装箱桥式起重机钢结构小车运行方向振动固有频率的简易测试

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The reaction of structure under dynamics load largely extent dependent on the previous natural frequency of the structural.

结构在外载荷作用下的响应很大程度上取决于结构前几阶固有频率。

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Optimal design of a scroll case with natural frequency constraints

具有频率约束条件的蜗壳优化设计

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Our conclusion contains: ( 1) the metal wire loop length, metal width and slit width has a certain impact on natural frequency of SRR and dipole oscillation absorption.

得到的结论主要有：（1）金属共振环的金属线长、金属线宽以及狭缝宽度对固有频率振荡吸收和偶极振荡吸收均有一定的影响。

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Conjugate poles can be described in natural frequency and damping factor.

共轭复极点可以用自然频率和阻尼系数表示.

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Second, carry on dynamic analysis, such problems as the natural frequency, responding to the structure humorously, etc.

对结构进行动态分析，研究它的固有频率、响应等问题。

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Harmonics of these normal forces will resonate the natural frequency resonant modes of the stator structure so producing acoustic noise.

这些简正力量泛音将共鸣定子结构的自然频率共振方式如此导致音响噪声。

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