damping motion 中文意思是什麼

damping motion 解釋
阻尼運動
  • damping : n. 【物理學】阻尼,減幅,衰減。 damping resistance 阻尼電阻。
  • motion : n 1 運動 動 移動(opp rest)。2 (天體的)運行;(車、船等的)動搖;(機器的)開動 運轉;【機械工...
  1. 0 x 10 " 3 and 264. 6mpa respectively. 6. the damping mechanism at ambient temperature is related to viscous motion of dislocation and interactions between dislocation with various point defects, the viscous sliding between the phase with rich zn and primary a dendrite crystals and the micro - plastic deformation of the soft phase in the eutectic

    6 ) azsm合金的室溫阻尼行為與組織中的溶質原子和位錯的交互作用以及位錯的粘性運動、富鋅相與基體之間的粘性滑移、以及共晶體中較軟相的西安理工大學碩士學位論文微塑性變形有關。
  2. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小地震的衰減關系后,本文對峰值加速度(水平向與垂向) 、加速度反應譜(阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的衰減特性進行了分析,影響因素主要考慮了震級與距離這兩個方面。
  3. The platform can analog rolling and swaying motion of ships. the moment of inertia, damping and restoring force can be adjusted

    該試驗臺架能夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、阻尼力矩和恢復力矩可調。
  4. In this paper, to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity, the normal contact model is established based on the hertz theory and non - linear damping term, the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process, and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation

    針對在重力場下作大范圍回轉運動的柔性梁與一固定斜面發生斜碰撞的情況,根據hertz接觸理論和非線性阻尼項建立法向碰撞接觸模型。引入線性切線接觸剛度建立切向碰撞接觸模型,以考慮接觸過程中由於切向相對速度的換向作用引起的摩擦力的變化。利用假設模態法和lagrangian方程建立系統含碰撞過程的一致線性化的動力學模型。
  5. This dissertation mainly investigates the properties of solutions of a class of quasi - linear wave equations with a viscosity, a nonlinear perturbation ( source term ) and a dissipative term ( damping term ), which arises from the longitudinal motion of a visco - elastic material. it contains the problems of existence and uniqueness of solutions, global existence, asymptotic behaviour and finite time blow up, etc. this thesis consists of four parts

    本論文主要研究來自於物體的波動等應用領域中的一類帶有粘性項、非線性擾動項(源項)和耗散項(阻尼項)的擬線性波動方程解的定性性質,內容包括解的存在唯一性,解的整體存在性和漸進性態及解在有限時刻爆破等問題
  6. To investigating the damping effect under other types of ground motion, this paper constituted a three dimensional finite element model, in which the flange is simplified as an elastic joint and the dampers are as bar elements

    考慮到斷路器結構體系可能產生的扭轉效應,本文建立了三維的有限元計算模型。模型中,瓷柱之間的連接法蘭採用較為成熟的彈性連接模型,鉛合金減震器簡化為塑性桿單元。
  7. To reproduce the narrow - band response, based on the thought of kanamori etc., the damping ratio and natural period are modified. through this adjustment, the narrow - band response can be reproduced, but for some natural periods the adjustive damping ratio has become negative. the negative damping is strange and can not be explained by the equation of motion for sdof system

    為了生成窄頻帶反應,本文根據kanamori等人的方法調整了計算時的阻尼比及自振周期,調整后的單邊差分方法能在共振區域生成很好的窄頻帶反應,但是對一些周期點的阻尼比調整成為了負值,這從系統的動力平衡方程是難以解釋的。
  8. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下,模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型,在步進電機輸入脈沖頻率一定條件下,模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。
  9. The antenna pointing control is open loop control without feedback. the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed, as well as the influence of damping, tacking velocity and trusting time

    文章分析了天線作跟蹤運動和星體作姿態調整時,對星體姿態控制精度和天線的指向精度影響,同時分析了阻尼、跟蹤速度、噴氣脈沖寬度等因素變化對動力耦合程度的影響。
  10. Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading, or wind incorporated rain excitation, or deck motion due to high flexibility, relatively small mass and very low inherent damping, such as vortex shedding, wake galloping, parameter resonance and wind - rain induced vibration. large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic, and has been considered today as one of the most critical problems for this type of bridge

    大跨度斜拉橋拉索具有較小的質量和極低的阻尼,在風、風雨及橋面振動等外部激勵下極易發生振動,如渦激共振、尾流馳振、參數共振和風雨振等,拉索的大幅振動對拉索的使用壽命和橋梁安全運營構成極大威脅,它已成為大跨度斜拉橋急需解決的關鍵問題之一。
  11. The thesis discussed the effects of the factors on the high - rise isolated building, such as the rigidity and - damping of isolation system, the structural rigidity, the earthquake ground motion duration and so on

    本文對影響高層隔震建築的諸多因素如隔震系統的剛度、阻尼、結構的剛度、地震動持時、雙向地震作用等進行了討論,為工程建設提供一些參考。
  12. Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed

    目前,基礎隔震結構、 「加層減震」 ( tmd減震)結構正逐步應用於工程實際,由於這兩種結構在動力荷載(如地震、風)作用下動力方程中的阻尼矩陣為非經典情形,傳統的實模態分析方法(振型分解法)不能使動力方程解耦,因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式,在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。
  13. Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied

    建立了完整的u型減搖水艙系統設計程序;總結了u型減搖水艙尺度設計;提出了根據波浪頻率變化范圍、船舶固有頻率變化范圍和其它影響因素,選取可控被動式減搖水艙固有頻率的新方法;分析了u型減搖水艙阻尼的形成原因,給出了估算水艙阻尼和設計水艙阻尼結構的方法;研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。
  14. Hamilton ' s principle are used to obtain equations of motion, which are discretized using finite element method. the frequency dependent damping of viscoelastic layer is modeled using the golla - hughes - mctavish ( ghm ) method and the system is analyzed in the time domain. ghm increases the size of the original system by adding fictitious dissipation coordinates that account for the frequency dependent damping

    本文採用ghm模型描述粘彈性阻尼材料的本構關系,根據哈密頓原理分別對附加主動約束阻尼層結構( acld )和主被動阻尼分離結構( acupcld和acopcld ,其中acupcld結構是將壓電作動層貼于粘彈阻尼層的下面, acopcld結構是將被動約束層和壓電作動層分別貼于梁的上下表面)的梁結構建立了有限元模型,進而得到系統控制狀態方程。
  15. A way of studying the main feature and motion laws of the damping vibration by the digital camera is introduced

    摘要介紹一種採用數碼相機來研究阻尼振動的特性參數及其運動規律的方法。
  16. ( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix, which was treated with the damped least - square method in the motion. from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position. velocity, position and accelerate of all the joints of manipulator moved regularly, consequently the problem that the joint of mani

    ( 6 )通過雅可比矩陣奇異值分解進行番茄收獲機械手奇異性分析,並採用阻尼最小二乘法對機械手運動中的奇異位形進行處理,使番茄收獲機械手最小奇異值遠離零點,各關節運動速度、位置和加速度運動無異常波動,解決了機械手在奇異位形處某些關節運動無法控制的問題。
  17. A lumped parameter model was developed for predicting the transient motion of mirrors, taking into account electrostatic and tensile forces and viscous air damping via squeeze film theory

    考慮靜電驅動力、張力和空氣阻尼衰減對變形鏡回復過程的影響,建立一種復合參數模型來預測變形鏡的瞬態行為。
  18. How significant is aerodynamic damping of wave - induced motion

    浪載運動響應引起的氣動阻尼是否重要?
  19. Dynamic test research of viscous - damping wall with rotation motion

    含轉動干擾粘性阻尼墻的阻尼特性試驗研究
  20. The long skirt is made of a blast - damping fabric for her protection, though it is designed to provide her with maximum range of motion

    雖然這件長裙的設計保證了她能進行最激烈的運動,衣料仍然選用防激光織物,為她提供保護。
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