modal frequency

Modal frequency and modal shape of the homopolar AMB system are also analyzed.

分析了同极型磁悬浮轴承转子系统的模态频率和模态振型，完成了同极型和异极型磁悬浮轴承转子系统的高速旋转试验。

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Modal frequency and stability of rotor system supported by viscoelastic elastomeric dampers

VED支承转子的模态频率及稳定性研究

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According to the theory of modal analysis, the modal analysis of gear speeder box is carried out. The modal frequency and modal shape of gear speeder box are determined. Then, they are used to analyze the dynamic characteristics of box.

根据模态分析理论对增速器箱体进行模态分析，确定箱体结构的固有频率及其振型，并对箱体的动态特性进行详细分析。

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In order to reduce the vibration, we first make a modal analysis of the handle of the walking tractor and find that the second modal frequency is coupled with the primary forcing frequency of the engine.

为了减小振动，首先对扶手架进行模态分析，发现了第二阶模态频率与发动机一阶惯性力频率耦合。

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And the effects on dynamical output and modal frequency of the sensor the structure parameters of elastomer have are analyzed by adopting FEM, which provides the foundation of solving the dynamic cou.

针对智能压电结构中，结构和压电材料之间的耦合和压电材料的动态输出，对结构阻尼的影响，提出了一种新的分段阻尼模型。

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On the damping bearings and bearing whole shafting modal analysis, damping bearing shafting whole constraint mode the frequencies are less than ordinary tail bearing shafting integral modal frequency.

对阻尼型轴承和普通尾轴承整体轴系进行了模态分析。分析结果可见前者约束模态各阶频率均小于后者。

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Experiments show that factors like column span have a great influence on low modal frequency.

结果表明，立柱的跨度等因素对其低阶模态频率影响很大。

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and (2) the correlation between the first order modal frequency and loading level is approximately a quadratic function in failure process.

拱破坏过程中第1阶模态频率值与所受荷载之间的关系可近似用二次方程来描述。

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A simplified lntegration Method for Reaction Rate Laws in Several Substance; Finite element analysis on modal frequency change regulations of the damage simple-supported beams

多种反应物的化学反应速率简便积分方法损伤简支梁模态频率变化规律有限元分析

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damage detection is divided into three steps. firstly, the located direction of damaged member is determined by radial basis function neural network with input of the change rate of normalized modal frequency.

损伤检测分三步进行，首先将构件损伤引起的标准化的频率变化率输入径向基函数网络，进行损伤构件所在方向的判定；

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Furthermore, the first-order modal frequency, the amplitude of vibration response and the damping influence on cable vibration are also investigated respectively for more useful informations about cable's nonlinear vibration.

此外，用数值方法还对拉索的一阶模态频率、振动响应幅值及系统阻尼影响等特性进行了研究。

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the modal frequency response analysis of axle base of steyr engine cooling fan in the case of axle lengthened 160 mm

Steyr发动机冷却风扇轴加长160mm后轴座的模态频率响应分析

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Elliptical modal frequency of stator and vibration amplitude of core, frame and bearing house, and factor of isolated vibration are also given in the paper. These parameters are available for operation, design and manufacture of large turbine-generator.

给出了定子的椭圆固有频率，定子铁心、机座、轴承座的振动幅值及定子机座的隔振系数，可供600MW汽轮发电机运行及大型汽轮发电机组的设计和制造参考。

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structural fe analysis on an integral bus is performed, in which optimal design of multiple performance objectives of structural strength, vibration modal frequency and mass is researched.

对某全承载式大客车进行了结构有限元分析，研究了该客车结构强度、振动模态频率、质量等多个性能目标的优化设计问题。

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numerical study shows that the damage position has all influences modalas modal frequency and modal shape.

通过数值分析,研究的随机损伤结构的动力响应表明,损伤位置对结构的模态频率和模态振型变化产生不同程度的影响.

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The modal frequency of the packaging structure increases with the elastic modulus of potting material.

封装结构的模态频率随着灌封胶弹性模量的增大而增大。

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