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free vibration     
相关语句
  自由振动
     Free vibration of rectangular Mindlin plate with nonuniform curve supports
     非均匀曲线支承矩形Mindlin板的自由振动
短句来源
     3 : 1 Internal Resonance of a Three Circular Plates Nonlinear Torsional Free Vibration System
     三圆盘非线性扭转自由振动系统3:1型内共振
短句来源
     Nonlinear free vibration of suspended pipelines
     悬跨段海洋管道非线性自由振动分析
短句来源
     Study on free vibration of continuous beam with lagrange multiplier method
     用Lagrange乘子法研究连续梁的自由振动
短句来源
     EXPERIMENTAL STUDY ON ZINC OXIDE WHISKER /EPOXY RESIN COMPOSITE MATERIAL'S FREE VIBRATION
     氧化锌晶须/环氧树脂复合材料自由振动实验研究
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  自振
     Using dynamic analysis. the analytical solutions for the lateral free vibration characteristics and the coercion responses under the action of the constant axial force and lateral seismic loading of the end-bearing pile foundation are given ,that a new analytical method is furnished.
     经过动力分析,给出了端承桩横向自振特性及在常轴力与横向地震载荷作用下强迫反应解析解,为具有常轴力与横向地震载荷作用下的无限层弹性地基中端承桩的动力反应分析提供了一种新的解析方法。
短句来源
     Analysis of Free Vibration Characteristics of Thin-walled Box Girder Based on Energy Variation Principle
     基于能量变分原理的薄壁箱梁自振特性分析
短句来源
     Analysis of the Free Vibration Characteristics of Railway Steel Truss Bridge with Train Load
     铁路钢桁梁桥有载自振特性分析
短句来源
     Study on the free vibration characteristics of liquid-solid coupling of plane gate
     平面闸门流固耦合自振特性研究
短句来源
     Free Vibration Properties Analysis of Fluid-Tank Coupling in Storage Tank
     储液罐固液耦合下的自振特性分析
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  自由振动的
     The boundary conditions has strong influence on the coupling effect, the stronger it is, the smaller frequency of free vibration is but the larger amplitude is.
     边界条件对耦合效应有较大的影响,较强的边界条件使椭圆板热弹耦合自由振动的频率变低,但振荡幅度增大。
短句来源
     Transfer Matrix Method for the Free Vibration of Continuous Plate
     连续板自由振动的传递矩阵法
短句来源
     Solution of the Free Vibration of a Sector Plate by Fourier-Bessel Series
     扇形板自由振动的Fourier-Bessel级数解
短句来源
     A response iteration method for nonlinear free vibration
     非线性自由振动的迭代响应法
短句来源
     AN APPROXMATION THEORY OF THE FREE VIBRATION OF NONUNIFORM BSI'S BEAM
     非均匀BSI梁自由振动的一个近似理论
短句来源
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  固有振动
     The Finite Dynamic Element Method for Free Vibration Analysis of Bending Plates
     弯曲板固有振动分析的动态有限元素法
短句来源
     Free Vibration Analysis of Plate Using a Generalized Conforming Thick/Thin Element TMT
     广义协调厚薄板通用单元TMT的固有振动分析
短句来源
     Study on Free Vibration of Thin Walled Concrete Filled Steel Tubular Members
     薄壁钢管混凝土构件固有振动特性研究
短句来源
     Free Vibration Analysis of Simplified Parallel Rotor
     简单平行转子的固有振动分析
短句来源
     As the third paper in this series of nonlinear applications of the finite element method of lines (FEMOL), the present paper applies this method to eigenvalue problems by presenting a FEMOL analysis of the free vibration of various membranes.
     本文是有限元线法(FEMOL)求解非线性模型问题的系列工作之三,对薄膜的固有振动这一特征值模型问题作了分析求解。 文中,首先用FEMOL对特征值问题的泛函进行半离散,得到相应的常微分方程(ODE)特性值问题;
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      free vibration
    The scheme of gas-abrasive wear test of turbine compressor blades under free vibration of blades, including at high temperatures, is proposed.
          
    Investigation of Fatigue Damage of 20Kh13 Structural Steel and its Compositions with Fused Coatings by the Free Vibration Method
          
    It is shown that the dynamics of variation of the free vibration frequency of the samples is tightly related to the kinetics of fatigue damage.
          
    Results of an analysis of the possibilities of diagnostics of fatigue damage of pieces from metallic materials and compositions with coatings obtained with the use of the free vibration method are given.
          
    The perturbation can be proportional to any of the free vibration modes.
          
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    This paper shows that in the bending problem of a beam supported along its length on elastic foundation, it is successful to expand the deflection of the beam in a series of normal functions obtained in free vibration. The coefficient of each term of the series may be determined easily by the orthogonal character of normal functions. In the paper, various cases, in which ends of the beam are free、hinged or built in, have been fully discussed.

    本文讨论了一个解决弹性地基梁的新方法,就是将挠度展开为自振本征函数的级数,根据本征函数的正交性质逐项决定系数。文中讨论了改善级数收敛性的方法与各种支承情况的具体解法。

    In this paper, the characteristics of the free vibration of gravity dam, which is regarded as a hydro-elastic system, are determined by the structural analytical method. The paper also consists of the following: 1. The equation of hydrodynamic pressure of ideal fluid and the tables for its calculation are given, when the problem is treated as two dimensional, and the elastic deformation and declination of dam is taken into consideration. 2. The equation of deformation for the case of a trapezoid bar is...

    In this paper, the characteristics of the free vibration of gravity dam, which is regarded as a hydro-elastic system, are determined by the structural analytical method. The paper also consists of the following: 1. The equation of hydrodynamic pressure of ideal fluid and the tables for its calculation are given, when the problem is treated as two dimensional, and the elastic deformation and declination of dam is taken into consideration. 2. The equation of deformation for the case of a trapezoid bar is given. 3. Two examples are computed, which show that the results agree with the precise solution, and at the end a simplified method is suggested.

    本文将滿庫时的重力坝視为流体——弹性系統,用結构分析方法确定系統的自振特性.文中并給出下列公式: 1.計及坝面弹性变形和傾度的二維問題理想流体的动水压力公式,并給出計算动水压力的表格; 2.梯形杆件的形变方程. 計算了两个例題,其結果与精确解符合。最后并建议了一个簡化的計算方法.

    A brief discussion is given about the influence on the vibration mode shapes and frequencies of structures due to large deformations of gellatin model, during a dynamical model test. As mentioned in the paper, the geometrical non-linear behavior of the medel caused by finite deformations will not introduce significant variations to its vibration periods, but its half-periods will be altered. That is, if the first half-period is lengthened, then the second half-period will be shorteneal and vice versa. For symmetrical-shaped...

    A brief discussion is given about the influence on the vibration mode shapes and frequencies of structures due to large deformations of gellatin model, during a dynamical model test. As mentioned in the paper, the geometrical non-linear behavior of the medel caused by finite deformations will not introduce significant variations to its vibration periods, but its half-periods will be altered. That is, if the first half-period is lengthened, then the second half-period will be shorteneal and vice versa. For symmetrical-shaped structure, even the half-periods of vibrations will not be aftected. In general, the influence of such geometric non-linearing is not large, and the free vibration of structures may be Considered as harmonic.

    本文讨论了软胶模型动力试验中,因有限变形引起的对结构物频率和振型 的影响。近似地说,仅仅因几何非线性并不改变结构的整个周期,但要影响半 周期的大小。假如前半周期延长了,那末后半周期缩短了。至于对称结构,半 周期也不受影响。一般来说,这种影响不大,所以振动还是接近简谐的。

     
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