在结构自由振动分析中，动力刚度法是一种精确算法。
The dynamic stiffness method is exact for structural free vibration analysis.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
利用土层和半空间的精确动力刚度矩阵，在频域内求解并分析了弹性半空间场地对P波的放大效应。
The dynamic stiffness matrix of the media and the formula of their response to P-SV waves are derived.
预应力技术可以改善钢结构的强度、刚度和稳定性，调整钢结构的动力性能。
Prestressed technology can improve the strength and rigidity and stability, and adjust the dynamic performance of steel structure.
刚度系数和阻尼系数是反映滑动轴承动力响应特性的重要的特性系数。
Stiffness and damping coefficients are important characteristic. Coefficients that reflect the dynamic respond characteristics of journal bearings.
阻尼、墩高、支座的剪切刚度对桥梁的动力行为有着重要的影响。
Shearing stiffness of damp, pier height and bearing is usually of significant influences upon bridge dynamic behavior.
本文对修改结构局部刚度和质量参数，从而使其具有给定固有频率的动力修改问题提出了一种求解方法。
In this paper, a method for shifting the natural frequency of a structure to a desired value by modifying the local stiffness and mass parameters is proposed.
本文采用能量集中与耗散的方法，提出了增层结构的优化刚度和质量，降低原结构的动力反应，达到了利用增层减振的效果。
Based on the method of gathering and dissipating energy, this paper puts forward the way to reduce the building's dynamic reaction by optimizing rigidity and quality of the increasing building floors.
轴承支承刚度对高速转子——支承系统的动力特性有重要的影响。
The bearing stiffness has a considerable influence on the dynamic characteristics of a rotor-bearing system.
文中给出了流量、静态偏心率、静态油膜刚度和动力放大系数的公式。
Formulas for the flow rate, the static eccentricity, the static oil film stiffness and the dynamic magnification factor are given.
通过参数影响分析研究发现，成层土中桩顶复刚度主要受上部土层动力特性及性质影响；
The results indicate that dynamic characteristics of upper layer soil are major factors that affect the complex stiffness of pile.
提出了一种利用平板静力载荷试验、动力触探、地基动刚度测试三种基本手段，建立相关数学模型，主要应用后两种手段进行联合检测的新思路。
In this paper, a new detection approach to jointly use static plate loading test, dynamic penetration test and dynamic rigidity test and to establish associated mathematic model is proposed.
转换层上下刚度比对结构的动力特性影响，较转换层位置和箱体高度影响大。
The influence of vertical rigidity ratio in transfer story is greater than that of transfer story position and box height on structure dynamic property.
分析表明，临界刚度比是索网结构动力响应计算的一个关键参数。
The analysis indicates that the critical stiffness ratio is a key parameter in calculating the dynamic response of cable network structures.
在拟动力试验方面，指出了联机试验中初始刚度矩阵的影响因素，建立了模型质量矩阵的等效方法。
In the respect of pseudo dynamic test, the author explained the influencing factors of initial inputting stiffness matrix and the equivalent method of mass matrix of model.
介绍了悬挂结构特点，利用奇异函数方法建立了悬挂框剪结构的侧移刚度矩阵和动力方程。
The properties of suspended structure are introduced and the singular function method is used to derive the lateral displacement stiffness matrix and the dynamic equations.
本文提出一种基于复合反演算识别高层建筑刚度和阻尼的型动力评定技术。
In this paper, a new dynamic assessment technique based on hybrid inverse algorithms for finding the stiffness or damping parameters of tall building is suggested.
桩的动力特性用刚度、阻尼和位移的频率响应曲线来表达。
The dynamic behaviour of the pile is presented as frequency response curves for displacement, stiffness, dashpot constant and damping ratio.
结构动力分析中质量与刚度对结果影响较大。
In the dynamical analysis of structure, mass and stiffness have an important impact on the results.
动力特性测试结果表明：随着节点转动刚度的减小，框架自振周期延长。
Dynamic characteristics tests show that the natural vibration period of steel frame can be prolonged with the reducing of connection rotation stiffness.
由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
建立了具有时变啮合刚度的二级齿轮系统的动力学方程式。
The governing equation of a gear system with time-varying meshing stiffness is established.
基床不仅需要具有足够强度以承受高速列车荷载动力作用，而且需要具有合适刚度与以满足高速列车行驶时安全舒适运行的要求。
There are not only enough subgrade bed strength, but also appropriate subgrade bed stiffness to satisfy with the safety and comfort under the high-speed train loading.
针对底层大开间组合墙房屋的特点，对模型房屋进行了子结构拟动力试验，测定其抗侧刚度，发现了抽柱对结构性能的重要影响。
In accordance with the characters of composite masonry structure building supported by frame shear wall with wide bay at bottom, a sub structure pseudo dynamic test was carried out.
按线性基础计算的动力响应大于非线性基础的响应，因此采用等效线性基础刚度计算动力响应是可行的。
The dynamic response of linear simulation is greater than that of non-linear simulation , so the dynamic response could be determined based on equivalent linear foundation stiffness.
应用轮轨系统动力学的频域分析方法，研究了轨道刚度对轨道动力特性的影响规律。
The effects of track stiffness on track dynamic characteristics were investigated by the wheel-rail system dynamic analysis in frequency domain.
通过变加速方法降低惯性力，提高了机床的静刚度，改善了机床的动力学性能。
Then the inertia force is reduced by the inconstant acceleration, so that the static rigidity of the machine is raised and the kinetic performance of the machine is improved.
依据该模型的全部动力特性和刚度特性，以最优控制为基础，采用动态补偿器方法，设计了两阶控制律。
Firstly, according to all dynamic characteristics and rigid characteristics of the model, a second order control law is designed using a dynamic compensator method based on the optimum control.
对于整体刚度很低的柔性悬索桥而言，动力特性的分析非常重要。
It is important to analyze the dynamic characteristic of flexible suspension Bridges because of its lower rigidity.
从减振器端部轴向安装刚度的影响入手，建立了合理的整车动力学模型。
Beginning from the influence of stiffness of axially mounted damper, a reasonable whole car dynamic model is established.
应用推荐