混響阻尼 的英文怎麼說
中文拼音 [húnxiǎngzǔní]
混響阻尼
英文
reverberation damping-
It is discussed that the load period, the damp ratio of pavement, the temperature of asphalt concrete, the resilient modulus of semi - rigid base, the material parameters and thickness of the composite foundation have influence on the vertical displacement, the radial stress of the base bottom and the sub - base bottom
具體探討了荷載周期、道路結構體的阻尼比、瀝青混凝土的溫度、半剛性基層的回彈模量、復合地基的材料參數和厚度對特徵點的豎向位移、基層和底基層層底徑向應力的影響。Confining stress and consolidation ratio have little effect on damping ratio of the asphalt concrete, and the damping ratio has decreasing tendency along with the increasing of the temperature
圍壓和固結比對瀝青混凝土的阻尼比沒有多大影響，阻尼比隨著溫度的升高有著降低的趨勢。In order to study the main effected factors of the aseismic performance of concrete dampers, experiment of dampers in forms of concrete ductile columns was conducted subjected to low cyclic loading, the damage pattern, hysteresis behavior, ductility factor and equivalent viscous damper factor of the dampers were obtained
摘要為考察混凝土延性柱耗能器抗震性能的主要影響因素，通過對多根延性柱耗能器的低周反復荷載試驗，得到其破壞形態、滯回特性、延性系數、等效黏滯阻尼系數等參數。It is shown that vibration suppression efficiency of these kind of treatments depend much more on the viscoelastic layer thickness, material properties and the piezoelectric layer thickness. secondly, a linear quadratic regulator and output feedback are used to actively control vibration. it is shown that placing the active element on the opposite side of pcld or underneath pcld is capable of vibration suppression with lower control effort and more inherent damping
定義了主被動混合阻尼結構控制性能指標：被動抑振性能指標、主動抑振性能指標、控制能量指標和控制力性能指標；然後，基於狀態反饋最優控制律，根據定義的控制性能指標分析粘彈性阻尼層厚度、粘彈性阻尼材料參數、壓電作動層厚度對主被動混合阻尼結構振動控制性能的影響，得到了一些有價值的結論。The other is the resonance of boom system of the truck - mounted concrete pump and the frequency response of displacement and acceleration of testing point. the main results and argumentations of this thesis are listed below in detail. 1. based on the certain boom system model of the truck - mounted concrete pump made in china, three - dimensional model of boom system of the truck - mounted concrete pump is built by using the softwar of pro / engineer
2 .基於剛柔混合柔臂架模型，利用adams的振動模塊，以混凝土流動時的沖擊力為激勵對臂架系統進行了諧響應振動研究，得到臂架振動響應的幅頻曲線，並對結果曲線進行了分析，在此基礎之上，研究了油缸阻尼對臂架末端振動位移和振動加速度的影響。The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,
最後，論文給出了結倫：磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一，混合工作模式的磁流變阻尼器結構簡單，阻尼效果比流動模式和剪切模式均要好，是一種比較理想的磁流變阻尼器；電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式，其結構設計合理，性能良好，具有較強的實用價值，值得在工程中推廣應用；在電樞活塞式磁流變阻尼器的設計中，應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響，並注意選用合適的磁流變液材料；輸入電流對磁流變阻尼器的阻尼效果影響很大，輸入大電流時阻尼力明顯增大，減振效果明顯提高。Based on the analysis of damping mechanism, damping ratio data of building materials, buildings and building models, it is concluded that the main factors of damping performance of building are strength of concrete, percentages of longitudinal steel, structure configuration and deformation amplitude
通過對建築物阻尼機理、建築材料、建築物和建築模型阻尼性能試驗數據的分析，本文對混凝土強度、縱向配筋率、結構形式和結構變形大小等建築阻尼性能的主要影響因素進行了分析。It is discussed that the load period, the damp ratio of pavement, the temperature of asphalt concrete, the resilient modulus of semi - rigid base, the material parameters and thickness of the composite foundation have influence on the dynamic stress intensity factor and the vertical displacement
探討了荷載周期、道路結構體的阻尼比、瀝青混凝土的溫度、半剛性基層的回彈模量、復合地基的材料參數和厚度對動應力強度因子、特徵點的豎向位移變化規律的影響。分享友人