确定了该阻尼器的结构,建立了阻尼器的阻尼力矩模型。
The structure of the damper is determined, and a damping torque model is established.
依据MR智能阻尼器的力学模型,以合肥翡翠电视塔为工程背景,研究MR智能阻尼器对电视塔结构风振反应的控制效果。
Following the mechanical model of MR smart damper and taking the Hefei Jade TV tower as the engineering background, this paper studied the control effects under external wind loads.
建立固有振动频率和颤振阻尼对结构参数的敏度公式,设计两种不同优化问题的数学模型。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
根据国际标准ISO 5982规定的不同姿势下的竖向人体动力模型,建立了具有非经典阻尼的人与结构耦合运动方程。
The vertical human body models with different postures are selected according to ISO5982, and the dynamic coupling equations with non-classical damping for structure and human are established.
文章分析了下阻尼器的结构,建立了下阻尼器的力学模型。
The structure of the bottom bearing damper is analyzed and mechanics model is established.
在实验基础上论证了ERF减振器数学模型和阻尼特性,并给出结构设计思想。
The article demonstrates the mathematic model and damping characteristics of ERF dampener based on experiment, and presents some engineering idea for their structure.
本文利用确定性模型系统的的强迫振动响应信息对系统的刚度和阻尼结构参数进行了认别。
In this paper, using the information of the forced vibration response of the deterministic modal system, identification are made for the parameters of the stiffness and damping structure.
本文采用动力机械和船体结构的模型装置测试了阻尼合金机座的减振特性。
To study the vibration isolation characteristics of the damping alloy mount, a special model test device is made to simulate the power machine and ship structure.
为了提高旋翼动稳定性理论模型的分析精度,需要精确地确定旋翼系统的结构阻尼系数。
To analyze helicopter rotor dynamic stability with a high degree of accuracy, accurate and reliable damping coefficient determinations of rotor structure are needed.
简述了粘滞阻尼与滞变阻尼模型之间的联系和对应关系,作为结构振动控制元件在强震下阻尼推算的理论基础。
The correspondence between viscous damping and hysteretic damping models was explained, which lays a basis for evaluating damping ratio of structural control element under major earthquake.
粘弹性阻尼器采用开尔文模型,将其对结构的作用看作是位移和速度的反馈控制。
The viscoelastic damper was described by the Kelvin model and its action to the platform was regarded as the feedback of displacement and velocity of the response.
为了提高并联机床实际结构的动态特性,减少动态的基础上,这是根据振动理论与粘性阻尼模型。
To improve the dynamic characteristics of actual structure of parallel machine tools, they are reduced with a viscous damping model based on dynamics, which is developed according to vibration theory.
针对小阻尼和无阻尼结构,提出了一种模态价值分析方法,用于在模态坐标下的动力学模型降阶问题。
A modal value analysis method is presented to obtain a reduced-order dynamic model with modal coordinates for structures with small damping or without damping.
本文建立了适合框架结构倒塌分析的离散单元模型,并且研究了模型的破坏准则、阻尼等参数确定方法。
In this paper, a discrete element model for collapse simulation of frame structures is developed. The failure criterion and determination of analytical parameters such as damping are also studied.
本文提出了用斜拉弹簧阻尼器模型装置控制高层建筑结构的顺风向随机风振反应。
The paper proposes a model mechanism so called Cross-tensioned Spring Damper, by which the along stochastic wind-load dynamic responses of tall buildings can be controlled efficiently.
本文就消能减震结构设计参数,即消能部件的支撑刚度、层间最大阻尼力与结构层间屈服力比值等恢复力模型参数的选取进行了讨论。
The design curves of equivalent damping ratio to the brace stiffness, and ratio of maximum damping force of the damping device to the inter-story yield shear force of the structure are proposed.
分析了工程结构动力学建模过程中几种阻尼模型。
Several damp modeling methods used in the process of engineering structure dynamical analysis are compared.
基于等效线性化的隔震工程设计参数,建立非比例阻尼隔震结构模型。
The structure is modeled as non-proportionally damped system based on equivalent linearized parameters which is used for practical design.
基于结构空间杆系-层模型,推导了粘滞阻尼器减震结构的附加阻尼矩阵、动力平衡方程和相对能量方程。
Based on the story model of spatial member, the supplemental damping matrix, dynamic balance equation and relative energy balance equation of structures with viscous dampers are derived.
计算结果表明试验模型结构振动位移的减小主要取决于压电陶瓷驱动器所引起的结构阻尼变化。
Calculating results show that the reduction of vibration displacement is mainly due to the structural damping variety caused by PZT actuators.
利用该有限元模型分析了各层阻尼材料的几何及物理参数对复合结构阻尼性能的影响。
Based on the finite element model, the effects of the geometrical and physical parameters of damping materials on damping properties of composite structures were analyzed.
利用此有限元模型研究了各层阻尼材料的几何及物理参数对复合结构阻尼性能的影响。
On the basis of the finite element model, the effects of the geometrical and physical parameters of damping materials on damping properties of composite structures are studied.
采用了弹簧—质量—阻尼系统结构并按照风力机运行机理,建立了风力机传动系统的刚性轴模型和柔性轴模型,并确立了相应的仿真分析方法。
The rigid shaft model and flexible shaft model of the drive train based on the spring-mass-damper system are used to analyze the dynamics of the drive train.
目前的研究多偏于磁流变液体阻尼器恢复力模型的设计,而相比之下对基于这些恢复力模型,进行结构控制策略的研究还很少,二者显得很不协调。
So far, the research is partial to designing resilience models for magnetorheological dampers, and is weakness in control strategy comparatively. Two aspects are not concerted with each other.
对安装有粘滞阻尼消能支撑的多自由度减震结构基于随机地震动模型的动力反应进行了研究。
The dynamic responses of a multi-degree of freedom seismic reduction structure with a viscous damped brace under a random earthquake motion model were analyzed.
应用该模型对线性结构和非线性结构在变阻尼控制和外荷载激励下结构的响应进行了数值仿真,表明所提的动态递归神经网络可以达到较高的预测精度。
Simulations on linear and nonlinear structures demonstrate that RDRNN is very effective on predicting the response of a structure subject to semi-active control and external excitation.
再建立考虑重量目标及结构频响峰值约束的阻尼材料配置拓扑优化模型。
Second, the topology optimization model with weight objective and frequency response constraints is formulated.
采用剪切型平扭模型,建立了地震作用下具有粘滞阻尼器偏心结构的平扭耦联运动方程。
The equations of motion of an eccentric building with viscous dampers under earthquake actions are established.
采用该模型对NOPD复合阻尼结构进行了动力学计算,计算结果与实验结果具有很好的一致性,为进一步研究NOPD的阻尼机理提供了一种理论分析方法。
The dynamic behavior of composite structures of NOPD is studied using this model. It is shown that the computational results are in very good agreement with those of experiments.
采用该模型对NOPD复合阻尼结构进行了动力学计算,计算结果与实验结果具有很好的一致性,为进一步研究NOPD的阻尼机理提供了一种理论分析方法。
The dynamic behavior of composite structures of NOPD is studied using this model. It is shown that the computational results are in very good agreement with those of experiments.
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