阻尼彈性 的英文怎麼說
中文拼音 [zǔnídànxìng]
阻尼彈性
英文
damped elasticity-
Translation decrease the stiffness of elastic beams and also increase the system ' s damp, while rotation increase the stiffness of elastic beams and also make the system produce gyp effect
大范圍平動使彈性梁的剛度降低，同時使系統阻尼增加；而大范圍轉動使彈性梁的剛度增加，同時使系統產生了能量轉換的陀螺效應。The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera
本文對某卷弧尾翼彈氣動特性進行了系統研究，主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算，得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。Abstract : rased on practice conditions, both the dynamic characterization of motor vehicle under random forces exciting of the ground state and methods by using damping vibration control are investigated in this paper
文摘:研究車輛行駛過程動力特性，結合實際條件，給出了車輛彈簧阻尼減振器減振效果的阻尼調置方法。Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete
4 、應用大幅度轉動約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉動約束連接、懸掛非線性振動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題；根據材料非線性理論，提出利用drucker ? prager材料建立土壤的非線性有限元模型。In addition, active constrained layer damping ( acld ) has attracted scholar ' s interests because it has the advantages of passive control and active control. the mechanism of vibration control of acld and the models of how to deal with the viscid - electric material are introduced. the finite element model of acld with ghm model is established in this paper
此外，主動層阻尼結構（ acld ）由於兼有被動控制和主動控制兩者之優點也引起了國內外學者的興趣，本文給出了主動層阻尼結構（約束層採用壓電材料）抑振的工作機理，介紹了處理粘彈性層（ vem ）的幾種模型，並採用ghm模型建立了主動層阻尼結構的有限元模型。Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated
第五章研究了主動阻尼系統中的時變因數對減振系統的減振效果的影響（包括路況、車速、載重阻尼油的粘度系數隨油溫變化而引起的變化，油液的彈性模量等） ，並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。Model experiment and damping identification for aeroelastic stability of helicopter rotor with elastomeric lag damper
帶粘彈減擺器旋翼系統氣彈穩定性試驗與阻尼識別The results of test and theoretical calculation indicate that the friction device does not slide under minute earthquake, thus the control effort of f - ved corresponds with ved, and the action of frd is the same as pure brace. when disastrous earthquake occurs, the viscoelastic material reaches its shear limits and the friction device begins to slide, so the control effort of f - ved is the best
試驗結果和理論計算結果表明，在多遇地震下摩擦機構不起滑，粘彈性-摩擦阻尼器的減振效果和純粘彈性阻尼器相當，而摩擦阻尼器的作用相當于純支撐；在罕遇地震下粘彈性材料達到剪切極限，摩擦機構起滑，故粘彈性-摩擦阻尼器的減振效果最好。Elastic damping leaf damper
彈性阻尼簧片減振器Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula
本論文通過對這種分離式減震支座各組成部分工作機理的研究，提出了該分離式減震支座整體的計算分析方法和設計流程；通過高阻尼橡膠剪切試驗，分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數（動態剪切彈性模量、耗能模量、損耗因子）的影響。After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis
如果支撐剛度較小，應採用本文推倒的公式計算阻尼裝置的性能參數；利用單質點模型進行阻尼結構在簡諧荷載作用下的性能分析，並比較了粘彈性與粘滯阻尼結構在振動控制方面的性能差異；最後利用數值方法分別對未安裝阻尼裝置結構，安裝了粘彈和粘滯阻尼裝置的三種結構進行了反應譜和時程分析，得到了與理論分析一致的結果。The analysis results show that the palcement styles and the rotating angles of such a large scale deployable boom systems are functional importantly. the motions and damps of the boom systems also take importance. if motions become larger, the time for the booms to reach their spreaded states is shorter, and the impact velocities become larger, the impact accelerations become larger too
分析結果表明，對于大尺度的伸桿機構，其布置方式和展開角度對其展開運動有重要的影響；同時也研究了鉸鏈處外力矩對展開運動的影響，隨著該力矩的增大，伸桿到達鎖定狀態的時間減少，碰撞時的速度增加，由此產生較大的加速度；分析了伸桿彈性和阻尼對伸桿展開過程的影響，彈性增大碰撞加速度增大，阻尼增大加速度減小，因此可將鉸鏈處外力矩和伸桿阻尼作為伸桿展開運動調節的手段。Abstract : this paper introduces briefly the control principle of trajactory correction technique and analyzes the structures and application areas of several typical trajectory correction mechanisms such as paddle type ring and d - ring etc. moreover, it makes the aerodynamics simulation and dynamics simulation of trajectory correction mechanism as paddle type damping ring. the simulation result proves the correctness and feasibility of the design
文摘:簡要介紹了彈道修正技術的控制原理；分析了槳式、 d型環等幾種典型彈道修正裝置的結構特點和應用范圍；並對其中的槳式阻尼環彈道修正裝置分別進行了空氣動力學模擬和運動學模擬，驗證了設計的可行性和正確性。This result testifies not only the efficiency of the two kinds of dampers, but also the superiority of the viscous dampers over viscous - elastic dampers
證明了粘彈與粘滯阻尼裝置對結構振動控制的有效性，以及粘滯阻尼裝置在減震方面的優越性。Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology
綜合考慮了拉索抗彎剛度、垂度的影響，研究了粘彈性阻尼器對斜拉橋拉索的空間振動控制，聯合中心差分方法及狀態空間法，得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數，並對斜拉橋拉索的阻尼器設計提出了參考建議：考慮拉索抗彎剛度、垂度及幾何非線性，導出了索-阻尼器系統的空間振動非線性方程組，結合newmark方法及偽力（ pseudo - force ）方法，創新地提出了求解非線性方程組的雜交方法，根據拉索-阻尼器系統的阻尼特性，在各種荷載作用下，對索-阻尼器系統的非線性瞬態振動響應進行了研究，從系統響應的角度更加直接地驗證了阻尼器的控制效果。To reduce the excessive vibration of a high - speed rotor system at the critical speed, a friction damper with a flexible support structure is introduced
摘要為了抑制高速滾動軸承轉子系統在通過臨界轉速時的過大振動，本文採用了摩擦阻尼彈性支承結構。The design of vehicle suspension system must be adapted to the requirement of the ride comfort and the control stability. it ' s difficult for traditional passive suspension to enhance the ride comfort. however, semi - active suspension can meet the ride comfort well because its suspension parameters such as damp coefficient or spring firmness can be adjustable
車輛懸架系統的設計必須適應行駛平順性和操縱穩定性的要求，傳統的被動懸架系統已無法從結構設計上使車輛具有良好的平順性，而半主動懸架由於其懸架參數如阻尼、彈簧剛度等具有可調性，使得它可以很好地滿足車輛行駛過程的需要，同時與主動懸架相比，由於工作中幾乎不消耗發動機的功率，結構簡單，造價較低，因此受到車輛工程界的廣泛重視。An explicit difference formulation of dynamic response calculation of elastic structure with damping
阻尼彈性結構動力計算的顯式差分法( 5 ) we studied the forced and damping system of the spring pendulum, and both theoretically and numerically investigated this nonlinear wave equation and obtained some interesting results
（ 5 ）對受迫阻尼彈簧擺系統的運動進行分析，結合數值計算和理論分析判斷了非線性方程的解的各種性質，即系統運動的各種狀態。分享友人