1) dynamic damping ratio
动阻尼比
1.
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil,which are the important parameters for seismic response analysis.
动三轴试验主要确定土的动剪切模量和土的动阻尼比,而这些参数又是地震动反应分析中的重要参数,该参数的取值小直接影响了桥梁的勘察设计。
2.
Testing study is made on dynamic mechanics parameters,including dynamic elastic modulus and dynamic damping ratio,of silty-clay and fine-sand which are sampled from the Qinghai-Tibet railway.
本文分析了取自青藏铁路的两种路基土,即粉质粘土和细砂的动弹性模量和动阻尼比变化特征。
2) damping ratio
动阻尼比
1.
Experimental study on influence of vibration frequency to dynamic modulus and damping ratio characteristics of saturate sandy pebble soil;
振动频率对饱和砂卵石土动模量和动阻尼比影响的试验研究
3) aerodynamic damping ratio
气动阻尼比
1.
The wavelet analysis was applied to structural wind engineering field, and a method to identify the aerodynamic damping ratio of a tall building was introduced, which is applicable to SDOF aero-elastic models as well as MDOF aero-elastic models of tall buildings.
将小波分析应用到结构风工程领域,介绍了一种基于小波分析的高层建筑气动阻尼评估方法,该方法不仅适用于单自由度高层建筑气弹模型的气动阻尼比识别,而且适用于多自由度高层建筑气弹模型的气动阻尼比识别。
4) mode aerodynamic damping ratio
模态气动阻尼比
1.
Based on the theory of aerodynamic damping,the appropriate damping model was established;with the help of moving meshes technology and in combination with the equation of equivalent mode aerodynamic damping ratio,the weakly coupled method was applied.
从气动阻尼产生的机理出发,建立合理的气动阻尼模型;利用动网格技术,结合等效模态气动阻尼比的计算式,以Rotor37跨声叶栅为例,用弱耦合方法数值计算得到一弯、一扭与弯扭耦合模态的气动阻尼比,并考虑流场压力水平及叶片振幅对气动阻尼的影响。
5) damping ratio
阻尼比
1.
Dynamic shear modulus and damping ratio of saturated clay;
饱和黏土动剪切模量与阻尼比的试验研究
2.
Experimental study on effect of initial intermediate principal stress coefficient on dynamic shear modulus and damping ratio of medium-dense fly ash;
初始中主应力系数对中密粉煤灰动模量阻尼比影响的试验研究
3.
A simplified method for calculating modulus ratio and damping ratio considering vertical seismic motion;
考虑竖向地震动下模量比和阻尼比简化公式
6) Damp ratio
阻尼比
1.
Dynamic measure of elasticity modulus and damp ratio of plywood;
胶合板弹性模量与阻尼比的动态测量
2.
The experimental results show that the loss factor and damp ratio decrease,the resonance frequency increases with increase of the aperture of the piston in the damper.
对阻尼器不同孔径进行了对比试验,试验结果表明:随着活塞孔径的增大,阻尼器的损耗因子和阻尼比减小,共振频率增加。
3.
The model s dynamic properties,damp ratio and responses of acceleration and deformation on the different level earthquakes are studied.
本文通过对北京LG大厦单塔主体结构1/20整体模型模拟地震振动台试验,测试了模型结构的动力特性、阻尼比及其在8度多遇、8度基本、8度罕遇烈度地震作用下的加速度和位移反应等,研究了模型结构的破坏机理和破坏模式,并根据试验结果和相似理论,推导、分析了原型结构的地震反应。
补充资料：因水火风动故地动
【因水火风动故地动】
经云：此阎浮提地，南北阔二万一千由旬，东西阔七千由旬，厚六万八千由旬。地下有水，厚八万四千由旬。水下有火，厚八万四千由旬。火下有风，厚六万八千由旬。风下有金刚轮，过去诸佛舍利，咸在其中。或有时大风忽动，火亦随动。火既动已，水复随动。水既动已，地即随动。故云因水火风动故地动。（梵语阎浮提，华言胜金洲。梵语由旬，华言限量，或四十里，或六十、八十里也。）
经云：此阎浮提地，南北阔二万一千由旬，东西阔七千由旬，厚六万八千由旬。地下有水，厚八万四千由旬。水下有火，厚八万四千由旬。火下有风，厚六万八千由旬。风下有金刚轮，过去诸佛舍利，咸在其中。或有时大风忽动，火亦随动。火既动已，水复随动。水既动已，地即随动。故云因水火风动故地动。（梵语阎浮提，华言胜金洲。梵语由旬，华言限量，或四十里，或六十、八十里也。）
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条