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- The 3D free vibration properties of the cable stayed bridge on Wuhu Yangtze River bridge, which is of 180 m+312 m+180 m span, are analyzed by space bar FEM model and also by space bar slab solid hybrid FEM model. 针对芜湖长江大桥主桥 180 m +312 m +180 m的斜拉桥 ,分别采用空间杆系有限元模型与空间杆系 -板-实体混合单元有限元模型分析了桥梁的空间自振特性 ,两种模型的计算结果取得了较好的一致。
- free vibration properties 自振特性
- 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。
- Based on construction, construction craft and natural vibration properties of tensegrity tower, dynamic properties of a 30-meter high tensegrity tower and i. 张拉整体塔结构是张拉整体思想在实践中的一种应用,其受力合理、构造简洁、形式多样,目前仅用于雕塑小品。
- 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]
- Firstly, the natural vibration properties of the bridge are respectively analyzed with the general software ANSYS and VBC program for train-bridge coupling vibration, both results are quite identical. 用通用软件ANSYS及车桥耦合振动分析程序VBC计算了该桥的空间自振特性。两者计算结果较为一致。
- 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。
- Based on the lattice dynamics with force-constant matrix, we investigated the vibrational properties of GaAs/AlAs superlattice. 主要内容包括:一、采用基于力常数的晶格动力学方法研究了超晶格( n×n)GaAs/AlAs晶格振动性质。
- 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 quantum of acoustic or vibrational energy,considered a discrete particle and used especially in mathematical models to calculate thermal and vibrational properties of solids. 声子声音或振动能的量子，被认为是一种高散粒子，尤用于数学模型中来计算固体的热和振动性质。
