free vibration

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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Semi-analytical solution for the free vibration of thick-wall and Laminated Orthotropic structures

厚壁及叠层结构振动分析的一种半解析解

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This article is on free vibration in mass-variable rotor of textile machine at constant velocity.

本文研究了具有定常转速的纺织机械变质量转子在不同支承下的非线性自由振动问题。

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Based on Bernoulli equation, the mechanism of solid-fluid interaction was analyzed, and the free vibration equations of solid-fluid interaction rectangular containers with elastic bottoms were established.

基于Bernoulli方程，通过对弹性体与流场耦合作用机理的分析，建立了弹性底板矩形贮箱流固耦合系统的自由振动方程。

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Based on the Mindlin plate theory, and by modifying the mixed variational principle, the Hamilton canonical equation for the free vibration analysis of Mindlin plate is derived and the analytical solution is also deduced by the adjoint ortho-organization symplectic geometry method.

本文通过对混合能变分原理的修正，建立了Mindlin板动力学问题的Hamilton正则方程，并采用共轭辛正交归一关系给出固有频率分析的精确解。

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Free Vibration of Transversely Isotropic FGM Rectangular Plates

横观各向同性功能梯度材料矩形板的自由振动

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The 1st lateral frequency of free vibration is 2.097 Hz. It agrees well with test-measured value 1.95 Hz. Both of them are satisfactory with limit value 1.125 Hz defined by Test Specification of Railway Bridge.

计算得到其横向基频为2.097Hz，与实测值1.95Hz吻合良好，且满足现行《铁路桥梁检定规范》相应限值1.125Hz的要求。

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The dynamic interlaminar stresses of rectangular composite material laminated plates with simply supported edges subjected to free vibration are studied beginning from basic geometric and differential equations and connecting with generalized Hooke's law.

本文从基本的几何方程和运动方程出发，结合广义虎克定律，研究了四边简支矩形复合材料层合板在受到横向自由振动时的动态层间应力。

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The finite dynamic element method fo free vibration analysis of structures

结构固有振动分析的动态有限单元法

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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.

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The free vibration theory of cable is the theory basis of cable tension test and calculation.

索的自由振动理论是索力测试和计算的理论基础。

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Even though the adoption of MTMD can not improve the free vibration frequency of structure, after the adoption of MTMD, the maximum vibration acceleration of footbridge will not exceed 0.35m/ s2, which meet the requirements of vibration limit value specified by overseas regulations.

虽然采用MTMD并不能提高结构的自振频率，但采用MTMD后桥梁最大振动加速度不超过0.35m/s2，满足国外规范对人行桥振动限值的要求。

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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.

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And then the free vibration, the throttle orifice diameter and the volume ratio between the two attaching gas chambers of air spring with series double attaching gas chambers are researched in detail by the numerical simulation method.

以此为基础，利用数值计算的方法对串联双附加气室空气弹簧的自由振动、节流孔大小及两附加气室容积比对弹簧的影响进行了细致研究。

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Algorithm for free vibration identification of bridge deck section model system matrix

桥梁节段模型系统矩阵自由振动识别的一种算法

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The time history of angular rate includes three stages which are rocket moving in tube, exhausted flow impacting and free vibration after impacting.

其时间历程包括发射时弹体在管内运行、燃气对定向器束冲击及冲击后定向器束自由振动的振动角速率。

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The Kantorovich Solution for the Free Vibration of a Parallelogram Thin Plate

平行四边形薄板自由振动的康氏法解

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Free Vibration of Functionally Graded Material Beams With Surface-Bonded Piezoelectric Layers in Thermal Environment

热环境中粘贴压电层功能梯度材料梁的自由振动

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Transverse Free Vibration Analysis of a Multi-supported Shaft With General Boundary Conditions Based on MAM

基于矩阵组合方法的弹性约束边界下多支撑轴系横向自由振动分析

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Analytical Solution for Coupled Extensional-torsional Free Vibration of the Helical Spring

螺旋形弹簧拉扭耦合自由振动的解析解

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An air damping model is developed for studying the free vibration of office paper.

研究了办公设备纸张在自由振动过程中的阻尼特性，建立了针对纸张振动问题的空气阻尼模型。

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Association of Perforin and Granzyme B Gene Single Nucleotide Polymorphisms and Juvenile Idiopathic Arthritis Free vibration characteristic of plain woven fabric laminates with multiple delaminations around a central hole

穿孔素和颗粒酶B基因多态性与幼年特发性关节炎相关性分析含穿孔-多分层混合损伤平面编织层合板自振特性

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Analysis of the Free Vibration of Damped System

阻尼系统自由振动的分析

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Study on free vibration in mass-variable rotor of textile machine

纺织机械变质量转子在不同支承下非线性自由振动研究

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The free vibration analysis is conducted by using arch-frame structure model for brick arch floor, from this the local vibration and the whole vibration of the arch are studied.

对砖拱楼盖，采用拱框结构力学模型进行了自由振动分析，并探讨了局部振动和整体振动等同题。

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The exact solutions of frequency of nonlinear free vibration for a single degree of freedom system with restoring force described by three straight lines with different slopes are given.

给出了恢复力-位移曲线由三段斜率不同的直线构成的单自由度系统自由振动频率的精确解。

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Analysis of free vibration for tapered beam including effects of axial force and shear deformation

考虑轴力和剪切变形影响的楔形梁自由振动分析

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Effect of Shearing Force on Natural Frequency of Equal Cross Section Cantilever Beam in Lateral Free Vibration

剪切变形能对等截面悬臂梁横向自由振动基本频率的影响

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A set of nonlinearly coupled algebraic and differential eigenvalue equations of nonlinear axisymmetric free vibration of orthotropic shallow thin spherical and conical shells are formulated following an assumed time-mode approach suggested in this paper.

本文提出一种时间模态假设，由此导出描述圆柱正交各向异性薄扁球壳和锥壳非线性轴对称自由振动的非线性耦合的代数和微分特征值方程组。

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Applying analytical method, the exact transfer matrix of circular arches with constant cross_section is derived. The characteristic equation for the free vibration of circular arches with variable cross_section is established by use of transfer matrix method.

用解析法推导了等截面圆拱单元的精确传递矩阵，再应用传递矩阵原理建立变截面圆拱自由振动的特征方程。

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