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模态振动
相关语句
  mode vibration
     On the Complex Mode Vibration Having Antisymmetric Coefficient Matrix
     一次项系数矩阵为反对称阵的复模态振动问题及其解
短句来源
     at last using Riccati Transfer Matrix method, transferred the actual rotor by elasticity bearing into reasonable single disc rotor model, simulated the mode vibration system.
     最后应用Riccati传递矩阵法对车载飞轮电池弹性支承的简化后的单圆盘柔性转子进行了模态振动仿真。
短句来源
     It is demonstrated that the enclosed sound space is controlled by the force amplitude and the coupling between the structure and cavity modes, and that the position of maximum vibrating amplitude should be chosen as control force position in single mode vibration.
     结果表明,弹性结构在力源激励下的封闭声场,是由激励力大小、结构模态和空腔模态间的耦合决定的; 对于单模态振动声辐射,应选取振幅最大处作为次级力源的位置,同时优化力的大小;
短句来源
     Simulation results show that the vibration of the beam can be suppressed rapidly by applying voltage to the piezoelectric patches displaced in this way, and single mode vibration and multi-mode vibration can be controlled simultaneously.
     通过算例进行数值仿真,结果表明,以此方法布置压电片和输入控制电压,能迅速抑制悬臂梁的振动,可单独或同时控制几阶模态振动.
短句来源
     A model is designed for the gate steeve and mode vibration frequency of the mode was calculated.
     对闸门吊杆进行了建模,并计算了等效模型的模态振动频率。
  modal vibration
     Then,the expression developing a complex vector into a series of the normal complex eigenvectors is set up,and the unity between the expression and that developing a real vector into a series of the normal real eigenvectors is proved Finally,some basic properties of complex modal vibration phenomena are set forth,and a suggestion to the definition of resonance concept of complex modal vibrational system is put forward.
     然后,建立了复特征向量空间中的展开定理的表达式,并证明了其与实特征向量空问中的展开定理的表达式的统一性; 最后,阐述了目前对复模态振动现象的特点的一些基本认识,并对复模态振动系统的共振慨念的近似定义提出了建议。
短句来源
     A controller was designed with the linear quadratic Gaussian (LQG) method. A phase compensator was connected with the LQG controller in series to restrain the rotor modal vibration.
     该控制器采用模态截断的方法获得电磁轴承系统的数学模型,并采用线性二次型Gauss方法,采用了一个同LQG(linearquadraticGaussian)控制器相串联的相位补偿器,以便有效地阻尼转子的模态振动
短句来源
     Then the first modal vibration of the system was selected by cross feedback,and the flapping-wing micro air vehicle realized different flying modes by adjusting system parameters.
     在此基础上,利用交叉反馈选择出系统的第一阶模态振动,并调节各参数使扑翼飞行器实现不同的飞行模式。
短句来源
  “模态振动”译为未确定词的双语例句
     The results indicate that the insufficient local stiffness of the compressor installation platform is the reason of vibration modal distortion.
     结果表明,平台结构的不合理所造成的平台局部刚度不足引起平台模态振动畸变,是引起平台振动过大的主要原因。
短句来源
     Complex Mode Active Vibration Control of Flexible Redundant Manipulators
     冗余度柔性机器人复模态振动主动控制
短句来源
     AN EXPERIMENTAL STUDY ON THE VIBRATION CONTROL OF MULTI-DISK FLEXIBLE ROTOR HIGHER ORDER MODES USING SQUEEZE FILM DAMPER
     挤压油膜阻尼器对多盘转子高阶模态振动控制的试验研究
短句来源
     ON SEVERAL PROBLEMS OF THE COMPLEX MODAL THEORY OF VIBRATION ANALYSIS
     也论复模态振动分析理论的几个问题
短句来源
     Analysis of Band Damp of Dualmodal Vibration System
     双模态振动系统阻尼特性分析
短句来源
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  mode vibration
Its appearance is associated with the time variation of the zeroth-mode vibration amplitude, showing up in the second order of smallness.
      
The amplitude-frequency response under harmonic force is obtained by considering single mode vibration.
      
Using a laser vibrometer, it was observed that both BNKLBT and PZT exhibited a surface displacement pattern indicative of coupling of the radial mode vibration with the thickness mode vibration.
      
The in-phase collective stretching mode vibration of hydrogen-bonded -OH oscillators, centered around 3250?cm-1 in a tetrahedral network of water molecules, was observed to be significantly affected by temperature and the presence of SDS.
      
The local approximation and hiararchy merits make the approach competitive especially for higher mode vibration analysis.
      
更多          
  modal vibration
This paper extends the numerical method, originally developed by Onate and his colleagues for the static analysis of plates, to enable modal (vibration) and bifurcative (buckling) analyses of plates to be undertaken.
      
It is indicated that with the same control voltage the LPA can obtain a better control performance than the conventional single layer piezoelectric actuator as expected and the targeted radial modal vibration of the shell is attenuated significantly.
      


The quadratic generalized eigenvalue problem of complex mode vib-ration with vibration equations having the antisymmetric coefficient matrix of the first degree term deduced from the foundation vibration is studied, and the numerical solution of complex mode is also pre-sented.For calculatinu convenience and accuracy, the general complex matrix is balanced, and the QR method with complex shifting is then used to compute the eigenvalues and eignvectors.This method is also applicable to general complex modal problems.Numerical...

The quadratic generalized eigenvalue problem of complex mode vib-ration with vibration equations having the antisymmetric coefficient matrix of the first degree term deduced from the foundation vibration is studied, and the numerical solution of complex mode is also pre-sented.For calculatinu convenience and accuracy, the general complex matrix is balanced, and the QR method with complex shifting is then used to compute the eigenvalues and eignvectors.This method is also applicable to general complex modal problems.Numerical examples show that this method is evidently effective in engineering application.

本文论述了研究基础振动过程中导出的一种一次项系数矩阵为反对称阵的二次广义特征值的复模态振动问题,给出了复模态的数值解法,为了计算方便和准确,对复矩阵先进行平衡处理,然后用复位移的QR法求特征值和特征向量,这种方法对一般复模态问题也可以求解.计算示例表明本方法是有效的,可供工程实用.

This paper describes the free vibration of cantilever beam with additional

本文研究了具有附加单面点约束的悬臂梁,由指定的初始条件诱发的有阻尼自由振动问题,提出了求解具有双线性或分段线性的连续系统多线性模态振动的时间子域法。用该法进行求解和数值计算,所得到的结果与实验结果有良好的一致性,因而能成功地解释实验中所发现的,该系统在作衰减自由振动时表现出的种种有趣的动力行为,诸如,附加单面支撑点反力幅值的调制现象等等。

In this paper,we first prove the form of transition from the complex modal eigen parameters to the real moeal ones of linear vibrational system.Secondly, according to the unity between the real and complex modal theories,the norma- lization condition of complex eigenvectors is stipulated.Then,the expression developing a complex vector into a series of the normal complex eigenvectors is set up,and the unity between the expression and that developing a real vector into a series of the normal real eigenvectors...

In this paper,we first prove the form of transition from the complex modal eigen parameters to the real moeal ones of linear vibrational system.Secondly, according to the unity between the real and complex modal theories,the norma- lization condition of complex eigenvectors is stipulated.Then,the expression developing a complex vector into a series of the normal complex eigenvectors is set up,and the unity between the expression and that developing a real vector into a series of the normal real eigenvectors is proved Finally,some basic properties of complex modal vibration phenomena are set forth,and a suggestion to the definition of resonance concept of complex modal vibrational system is put forward.

本文首先推证了线性振动系统的复模态特征参数退化为实模态特征参数的过渡方式;其次,基于实模态理论与复模态理论的统一性要求,规定了复特征向量的正规化条件;然后,建立了复特征向量空间中的展开定理的表达式,并证明了其与实特征向量空问中的展开定理的表达式的统一性;最后,阐述了目前对复模态振动现象的特点的一些基本认识,并对复模态振动系统的共振慨念的近似定义提出了建议。

 
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