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- Any system capable of a free vibration without external force is a counter example, e.g. a wire in the piano. 任何一个无外力而能自由振动的系统就是一个反例，譬如钢琴中的一条钢丝。
- Highly accurate results are tabulated for the free vibration buckling and bending. 文后用图表给出高精度的自由振动、屈曲和弯曲计算结果。
- The free vibration characteristics of bar-type fiber optic hydrophone unit were investigated in this paper. 光纤水听器探头是光纤水听器系统的基础。
- The element-free method(EFM) is used to study the free vibration of the high-rise tube structures. 用无网格法研究高层筒体结构的自由振动问题。
- The analysis for free vibration of ring-stiffened circular cylindrical shell with variable thickness was presented. 分析了环肋变厚度圆柱壳的自振特性。
- The finite element model of the free vibration for the rigid suspension catenary and pantograph is set up. 建立刚性悬挂接触网的自由振动有限元模型,计算其固有频率和振型。
- The relationship between the damage index and damage was studied by the analysis of the modal's undamped free vibration. 通过对模型的无阻尼自由振动分析研究损伤指标与损伤之间的关系；
- Reddy J.N:.:Free vibration of antisymmetric angle-ply laminatd plates including transverse shear deformation by the finite element method[J]. 林敦祥;倪荣根.;预测纤维增强复合材料层压板固有频率振型及模态阻尼的有限元算法[J]
- In this paper, a free vibration study of arbitrary quadrilateral thick plates by the spline least spuare method was presented. 本文用样条最小二乘法求解任意四边形厚板的自由振动问题。
- In this paper,a solution in the form of Fourer-Bessel double series with supplementary terms is proposed to analyse free vibration of a sector plate. 本文从富氏级数的理论出发，对弹性地基扇形板的弯曲问题，提出了一种应用范围比较广的、便于计算的解析形式的解法。
- The inherent frequency of the microbeam resonator is determined by analyzing the free vibration of the microbeam (including the base structure). 通过对微梁 (包括基座 )的自由振动分析确定了微梁共振器的固有频率。
- The relationship between the damage index and damage was studied by the analysis of the modal’s undamped free vibration. 通过对模型的无阻尼自由振动分析研究损伤指标与损伤之间的关系;
- Free vibration analysis of simply supported FG cylindrical shells for four sets of in-plane boundary conditions is performed. 摘要：对四组带平面内边界条件的简支梯度柱形壳进行自由振动分析。
- The symmetric and unti -symmetric free vibration problems of thick plate with the fixed and simple support edge conditions are solved. 求解了厚圆板在周边固支和简支条件下的对称与反对称的自由振动问题。
- The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method. 本文用样条有限元法;分析了反对称角铺设层合板的自由振动问题.
- Analysis for transverse free vibration of a longitudinally moving fabric is put forward here, with the calculating formula for natural frequencies of the fabric being introduced. 因此对纵向运动织物的自由振动进行了理论分析,给出了其固有频率的计算公式,并对固有频率的几个影响参数进行了讨论。
- A comprehensive study of free vibration, buckling and bending of anisotropic simply-supported skew plates subjected to in-plane normal and shear forces is conducted. 摘要对简支各向异性平行四边形板在面内张力和剪力作用下自由振动、屈曲和弯曲问题作了全面的研究。
- Based on the correlation principle, an algorithm to decomposite the damped free vibration signals of a two degrees of freedom system with close natural frequencies is put forward. 摘要基于单一频率成分的自由衰减振动响应信号的相关性原理，提出了一种频率密集成分的两耦合振子自由衰减振动响应信号的解耦算法。
- It is shown by the results of free vibration column tests on clay taken from different depth below the o-cean bed that the shear medulus of clay is not a constant. 海底粘土的室内自振柱试验研究表明，其剪切模量不仅与剪应变的幅值有关，而且还随固结特性的变化而变化。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
