阻尼器

The structure of the damper is determined, and a damping torque model is established.

确定了该阻尼器的结构，建立了阻尼器的阻尼力矩模型。

The semi-active control for structures can be realized by utilizing the characteristics of adjust￣able damping force of MR dampers.

利用MR阻尼器阻尼力可以调节的特性能实现对结构响应的半主动控制，直接根据结构的响应对MR阻尼器实施状态跳跃控制。

The exterior are belong to structure form, geometrical topology, loading case, boundary condition and other external factors. The division will be convenient for a researcher to find the real reasons affecting the dynamic characteristics of the damper. One dimensional stress and strain formulations are deduced by means of the standard derivative and fractional derivative model using the linear viscoelastic theory.

本文主要研究橡胶类粘弹性高阻尼材料及其元件的动态特性，在分析国内外关于橡胶类阻尼材料和元件的理论分析和实验研究的基础上，将影响阻尼器的因素分成属于材料特性的内在因素和属于诸如结构形式、几何尺寸、承载方式、边界条件等外在因素两大类，以利找出影响橡胶阻尼器动特性的真正原因。

The project discussed influence of damp force to the parameter of MR damper and carried finite element analysis of MR flow field and shearing stress.

推导出Nano-MR阻尼器阻尼力的计算公式。讨论了阻尼器结构参数对阻尼特性的影响。

The feedback effect of viscous heating on fluid damping force is considered based on a three-parameter model and a dynamic model including a heat transfer and energy transformation equation is developed,and the state of heat balance of the damper is discussed.

主要针对长阻尼孔形式下的流体阻尼器进行分析，在三参数模型的基础上研究了流体粘性发热对流体阻尼力的反馈作用，从而建立了含热能转换与热交换的阻尼器的动力学模型，同时对系统的热平衡状态进行了分析。

Based on the question, a series of theoretic and experimental studies, which includes analysis of mechanical behaviors of superelastic shape memory alloy, design of shape memory alloy damper, analysis of vibration control of SMA damper-cable system, have been completed. The main contents and achievements in this paper are as follows.

本文以这一问题为研究背景，从形状记忆合金材料的力学性能分析、SMA阻尼器的研制和SMA阻尼器—斜拉索系统振动与控制分析三个方面系统地开展了SMA阻尼器—斜拉索系统减振控制的理论分析与试验研究工作。

In this paper, based on the feature of MR fluid and design principle of magnetic circuit, a shear and valve type MR damper with twoway pushover bar and 2stage coils is designed and manufactured.

本文根据磁流变液的材料特点和磁路设计原则，设计并制作了一个双出杆的剪切阀式磁流变阻尼器，在伺服试验机上对所设计制作的磁流变阻尼器的阻尼力性能进行了试验研究，并分析了影响阻尼力的各种因素。

Finally, the wave equation of the electromagnetic field of this kind damper isderived from the Maxwells equation. The magnetic flux density at the boundary isassumed to be harmonic, so the analytical result of the wave equation is solved. When therotor rotates, eddy currents flowing inside the conducting material field are caused. Thetangential force acting on the rotor because of the action between eddy currents andmagnetic field is produced. The tangential force causes a retardation torque, which leadsto the increase of power and heating effects.

最后，应用Ahrens的电磁轴承简化模型，从Maxwell方程出发推导了应用于本文所述的被动式电磁阻尼器的波动方程，并用傅立叶级数把矩形磁场展开的谐变磁场作为磁场的边界条件，通过求解波动方程得到磁场的解析解，从而计算了阻尼器对转子的电磁力和由涡流引起的切向力产生的阻尼器附加功耗。

In this paper,using mild steel plate have stable hysteresis under loading and unloading repeated cycles,designed a U shape mild steel plate damper,an hysteresis loop and analytical model was carried out by experimental test At last,this damper is .

振动控制是结构抗震防灾的一种积极有效手段，目前对于大跨空间结构的振动控制技术不是很成熟，利用软钢板在反复循环荷载作用下具有稳定的滞回特性，设计了U形软钢板阻尼器，通过试验得出该阻尼器的滞回曲线，建立了该阻尼器分析模型。

Some important factors closely relevant to the current research topic, such as crosssectional area of TLCD, mass of TLCD, gas of TLCD and liquid of TLCD, are studied in this paper.

一些和本研究主题相关的重要参数，例如：阻尼器截面积、阻尼器容器质量、阻尼器内部气体以及液体种类等，皆在本文加以探讨。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。