• 确定了阻尼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.

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  • 依据MR智能阻尼力学模型合肥翡翠电视塔工程背景研究MR智能阻尼器对电视塔结构振反应控制效果

    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.

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  • 建立固有振动频率颤振阻尼结构参数敏度公式设计两种不同优化问题数学模型

    The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.

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  • 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.

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  • 文章分析了阻尼结构建立了阻尼器的力学模型

    The structure of the bottom bearing damper is analyzed and mechanics model is established.

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  • 实验基础论证了ERF减振器数学模型阻尼特性给出结构设计思想

    The article demonstrates the mathematic model and damping characteristics of ERF dampener based on experiment, and presents some engineering idea for their structure.

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  • 本文利用确定性模型系统强迫振动响应信息系统的刚度阻尼结构参数进行认别

    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.

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  • 本文采用动力机械船体结构模型装置测试阻尼合金机座的减特性

    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.

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  • 为了提高旋翼稳定性理论模型分析精度需要精确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.

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  • 简述了阻尼阻尼模型之间的联系和对应关系,作为结构振动控制元件强震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.

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  • 弹性阻尼采用开尔文模型,将结构作用看作位移速度反馈控制

    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.

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  • 为了提高并联机床实际结构动态特性减少动态基础根据振动理论粘性阻尼模型

    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.

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  • 针对阻尼阻尼结构提出一种价值分析方法用于模态坐标下动力学模型问题。

    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.

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  • 本文建立适合框架结构倒塌分析离散单元模型并且研究了模型破坏准则阻尼参数确定方法。

    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.

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  • 本文提出用斜拉弹簧阻尼模型装置控制高层建筑结构顺风随机风振反应

    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.

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  • 本文就消能减震结构设计参数,消能部件支撑刚度、层间最大阻尼结构层间屈服比值等恢复力模型参数选取进行了讨论。

    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.

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  • 分析工程结构动力学建模过程几种阻尼模型

    Several damp modeling methods used in the process of engineering structure dynamical analysis are compared.

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  • 基于等效线性化的隔工程设计参数,建立非比例阻尼结构模型

    The structure is modeled as non-proportionally damped system based on equivalent linearized parameters which is used for practical design.

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  • 基于结构空间系-模型推导阻尼器减震结构的附加阻尼矩阵动力平衡方程相对能量方程。

    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.

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  • 计算结果表明试验模型结构振动位移减小主要取决于压电陶瓷驱动器所引起结构阻尼变化

    Calculating results show that the reduction of vibration displacement is mainly due to the structural damping variety caused by PZT actuators.

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  • 利用有限元模型分析各层阻尼材料几何物理参数复合结构阻尼性能影响

    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.

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  • 利用有限元模型研究了各层阻尼材料几何物理参数对复合结构阻尼性能影响。

    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.

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  • 采用弹簧—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模型柔性模型,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.

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  • 目前研究多偏于流变液体阻尼恢复模型设计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.

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  • 安装有粘阻尼消能支撑自由度减震结构基于随机地震动模型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.

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  • 应用模型线性结构非线性结构阻尼控制荷载激励结构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.

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  • 建立考虑重量目标结构峰值约束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.

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  • 采用剪切型平扭模型,建立了地震作用具有粘滞阻尼器偏心结构平扭耦联运动方程。

    The equations of motion of an eccentric building with viscous dampers under earthquake actions are established.

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  • 采用模型NOPD复合阻尼结构进行动力学计算,计算结果实验结果具有好的一致性,为进一步研究NOPD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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  • 采用模型NOPD复合阻尼结构进行动力学计算,计算结果实验结果具有好的一致性,为进一步研究NOPD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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