实际结构的阻尼特性很复杂,也很难确定。
The characteristic of the actual structure damping is quite complicated and also hard to confirm.
计算还揭示了局部刚度损伤对结构局部阻尼特性、振动能量分布和阻尼耗能行为的影响。
Moreover, the effect of local stiffness damages upon the local damping properties, vibration energy distribution, and the behaviors of damp dissipation of structures are investigated separately.
在实际工程结构的抗震研究中,一般结构体系都具有非比例阻尼特性。
For the earthquake resistant analysis of actual engineering structures, most of structural systems have the properties of non-proportional (non-classical) damping, I.
模态是结构的固有振动特性,每一阶模态都具有特定的固有频率、阻尼比、振型、模态刚度和模态质量。
Mode is structure's inherence characteristics, each mode has specifically resonant frequencies, damping values, mode shapes, mode stiffness and mode mass.
空气弹簧的阻尼特性与空气弹簧本身结构有关,同时还受外界激扰频率及振幅的影响。
The damping characteristic is relevant with the air spring structure and is influenced by external excitation frequency and amplitude.
液体推进剂贮箱的防晃结构设计导致液体晃动阻尼的非线性特性。
The structure design for sloshing suppression in a liquid propellant tank results in the nonlinear characteristics of liquid sloshing damping.
计算结果表明,大跨空间结构采用粘弹性阻尼器时计算地震响应,必须考虑地震动的空间相干特性。
The computed results reveal that the long-span space structures equipped with viscoelastic damper will have to take the spatial characteristics.
算例表明,用此方法分析计算表面阻尼处理结构的动态特性和声辐射是可行的。
The example given in this paper shows that the method is feasible to calculate the dynamic properties and sound radiation of surface damping-treatment structures.
同时,这些参数直接反映减振器液压阀的结构配置和阻尼特性之间的关系。
At the same time the parameters reflect directly the relation (between) the structural configuration of the hydraulic valve of the shock absorber and damping characteristics.
在用有限元法分析结构动态响应特性的基础上,利用有限元分析得到结构表面振动速度分布,分析表面阻尼处理板结构的声辐射。
Based on the finite element analysis results of the dynamic properties of the structure, the acoustic radiation of the structure is analysed using the results of the surface velocity distribution.
具体就磁流变液的制备和流变特性,磁流变阻尼器的力学特性及其磁路、结构设计以及磁流变液的应用情况进行了分析研究。
It also investigates and analyzes production of MRF, rheological property of MRF, dynamic property, magnetic route and structural design of MRF damper, and applications of MRF.
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.
车身多层阻尼结构的振动特性及隔吸声特性是影响车室空腔声响应的重要因素。
Vibration characteristics and sound insulation capability of multilayer damping panels are very important factors which dominate acoustic response in the interior of automobile bodies.
实验的测试结果表明工件-主轴系统的阻尼特性很大程度上受轴承结构型式及带轮安装方式的影响。
It is found that the damping properties of the work-spindle system are largely affected by the type of main bearing and the mounting method of the pulley.
分析了电磁轴承系统的刚度阻尼特性与系统结构参数及其控制器频响特性之间的关系。
The relations between stiffness and damping performances and structure parameters of an active magnetic bearing (AMB) system and frequency specificity of the control loop are analysed herein.
采用阻尼影响抽取法研究了围岩动刚度的动力特性 ,提出了岩石地下结构抗震分析的实用算法。
The dynamic characteristics of surrounding rocks are not only concerned with their constraint on underground structure, but also related to the earthquake input in the dynamic interaction analysis.
本文从无阻尼系统开始,讨论了物理参数的变化引起结构动特性变化的灵敏度。
Beginning with the no damping system in this paper, the change rates of the structure's dynamic properties, caused by the small change of system parameters are discussed.
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.
第六章,讨论了阻尼器的结构和特性,提出了阻尼器结构设计的几个要点。
In chapter 6, the structures and functions of damper are discussed, some design guidelines of the rubber o ring damper are developed.
计算结果表明,在结构抗震设计时,应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。
The influence of frozen earth layers and radiant damps of groundwork is considered and back-analysis is performed.
详细介绍了三种典型阻尼密封技术袋型阻尼密封、蜂窝阻尼密封和孔型阻尼密封的结构特点、动力学特性和阻尼机理及研究和应用现状。
The leakage flow and total temperature increase characteristics of a honeycomb labyrinth seal used in a typical gas turbine were numerically investigated and compared with a smooth labyrinth seal.
详细介绍了三种典型阻尼密封技术袋型阻尼密封、蜂窝阻尼密封和孔型阻尼密封的结构特点、动力学特性和阻尼机理及研究和应用现状。
The leakage flow and total temperature increase characteristics of a honeycomb labyrinth seal used in a typical gas turbine were numerically investigated and compared with a smooth labyrinth seal.
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