提出用动刚度系数方法对转子和轴系残余振动进行预测。
This paper calculates the residual vibration of rotors and axis with a new method equivalent dynamic stiffness factor.
然后从运动方程出发推导了杆元素和梁元素的动刚度矩阵。
Then according to the equations of motion we have developed the dynamic stiffness matrixes of the bar element and beam element.
分析尾轴架的动刚度曲线,可得到尾轴架结构的固有频率。
Analyses of these curves make the natural frequencies of the shaft brackets available.
测试结果表明,制作出的桅杆具有高透波性和较大的动刚度。
The test results shows that the mast is blessed with good electromagnetic wave permeability and better dynamic stiffness.
本文介绍了应用有机玻璃模型来研究机床动刚度的实验工作。
In this paper, tests are run for the investigation of dynamic stiffness of machine tools with perspex models.
用一种新的方法—等效动刚度系数法对转子的动平衡进行了研究。
This paper presents a new method, the equivalent dynamic stiffness factor method, in dynamic balancing rotors.
起落架动刚度及阻尼特性是研究直升机“地面共振”问题两个重要参数。
Dynamic stiffness and damping characteristics of landing gears are important parameters to be used to investigate the "ground resonance" of helicopters.
基于动刚度方法与常规有限元方法提出了一种计算梁动力响应的新方法。
This study develops a new method for solving beam dynamic response based on combining dynamic stiffness method with conventional finite element method.
通过激振实验方法测试了液阻悬置元件及其橡胶主簧的动刚度和阻尼特性。
The dynamic stiffness and damping characteristics of a kind of free decoupler hydro elastic mount and its rubber spring are tested.
本文介绍应用激光全息摄影研究机械结构结合面的接触情况及静动刚度的方法。
This paper deals with the application of laser holography in the research on the contact state and the static and dynamic stiffness of mechanical joints.
通过分析发现,很可能是钢板弹簧存在的非线性动刚度导致了其平顺性不稳定。
It is found that it is possibly because of the nonlinear stiffness of leaf spring leading to the instabiity of ride comfort.
建立了基于悬置元件怠速工况下动刚度的发动机悬置系统MATLAB力学模型。
A mechanics model for engine mount system is established with MATLAB based on dynamic stiffness of engine mounts in idle condition.
提出了一种含裂纹的杆单元,基于断裂力学的线弹簧模型,导出了相应的动刚度矩阵。
This paper presents a method for analyzing the plastic properties of a grouted rock bolt element.
本文提出一种基于模态展开和幂级数展开的混合方案,用于简化结构凝聚动刚度的计算。
A mixed scheme based on fixed mode expansion and power series expansion is suggested to simplify the calculation of the condensed dynamic rigidity of a structure.
根据这些曲线,说明所设计的并联焊头机构的动刚度能满足IC芯片粘片机的工作要求。
Based on these characteristic curves, it proves that the moving stiffness of the designed Parallel Bonding Mechanism meets the working requirements of IC Chip Die.
结果表明,采用尺寸优化和拓扑优化的方法进行优化设计可提高质量块安装点的动刚度。
The size optimization and topology optimization were introduced to improve the dynamic stiffness of the mounting points.
本文介绍动刚度法在多盘转子系统中的应用,导出了有弹性支承边界条件的动刚度公式。
The dynamic rigidity method applied to the multi-disk rotating systems is presented in this paper. The formula of dynamic rigidity to the boundary conditions with flexible support is derived.
轧机伺服压下系统具有轧制力大的特点,其位移反馈机构的动刚度对系统的影响应予以考虑。
The servo screwdown system of a rolling mill has the characteristics of big rolling force, the influence of displacement feedback apparatus dynamic stiffness on system should be considered.
采用实验方法对某舰尾轴架进行动刚度测量,得到了前尾轴架和后尾轴架的横向动刚度曲线。
In the paper, the transverse dynamic stiffness curves of front shaft bracket and back shaft bracket of a ship were obtained by means of experiments.
针对典型的串联和并联机构,建立了动力学模型。分析了在外力输入时机构的静刚度和动刚度。
Dynamics model of typical serial and parallel mechanisms were presented, which could be used to analyzed the static and dynamic stiffness.
采用阻尼影响抽取法研究了围岩动刚度的动力特性 ,提出了岩石地下结构抗震分析的实用算法。
The dynamic characteristics of surrounding rocks are not only concerned with their constraint on underground structure, but also related to the earthquake input in the dynamic interaction analysis.
提供一种间接计算离散化包装耦合体动刚度的逆子结构分析计算方法,依据矩阵理论推导了计算公式。
An indirect inverse substructure scheme for calculating the dynamic stiffness of discrete coupling unit-of-packaging was introduced. A formula was derived based on matrix theory.
结果表明,囊式空气弹簧隔振器的动刚度与充气气压基本成线性关系,与振动频率也基本是线性关系。
Experimental and analysis results show that, the dynamic stiffness shows linearity relation with inner gas pressure, and also with the vibration frequency.
本文将缩减动刚度综合法与逐步积分法相结合,提出了一种分析大型复杂结构瞬态响应的动力子结构方法。
In this paper, a dynamic substructure method for analysing the transient response of the large structure is proposed.
本文利用室内土槽台车模拟行驶过程中轮胎受路面激励情况,试验研究了6.00-12驱动轮胎的动刚度特性。
The dynamic stiffness characteristics of tire 6.00-12 has been studied with the simulation of running tire vibration excited by the ro. ad, by means of the indoor soil bin tire tester.
研究结果表明:轮胎的动刚度不是常数,它随着垂直载荷、充气压力的增加而增大;滚动时的动刚度不同于静刚度。
It has been shown that the tire dynamic stiffness is not a constant, which increases with the vertical load and inflation pressure, and it is different from the static one.
基于Hertz接触理论,分别建立A MB失效后转子与保护轴承内圈之间的碰撞模型和保护轴承的实时动刚度模型。
Based on the Hertz contact theory, the collision model between rotor and catcher bearing inner race and the real-time dynamic stiffness of the bearing after AMB failure are respectively established.
针对补偿负刚度后的静电轴承一转子系统模型,讨论了PID控制参数与动刚度特性的关系,为根据刚度指标确定控制参数提供了理论依据。
The relationships between dynamic stiffness properties and PID parameters of active electrostatic bearing and rotor systems based on a stiffness compensated model are investigated.
提出了一种利用平板静力载荷试验、动力触探、地基动刚度测试三种基本手段,建立相关数学模型,主要应用后两种手段进行联合检测的新思路。
In this paper, a new detection approach to jointly use static plate loading test, dynamic penetration test and dynamic rigidity test and to establish associated mathematic model is proposed.
本文还建立了此闭环控制系统的数学模型,通过数字仿真分析了其动态特性,探讨了控制器参数对转子运动的控制效果以及与电磁轴承动刚度之间的变化关系。
Also this closed loop controlled system is modelled and its dynamic behaviors are analyzed by digital simulation. The influence of controller parameters on motion of the rotor and th...
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