阻尼運動 的英文怎麼說

中文拼音 [yùndòng]
阻尼運動 英文
damped motion
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. Numerical simulation on damping effect of impacted roof and its analysis with chaotic dynamics theory

    沖擊性頂板效應的數值模擬及混沌力學分析
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多比反應譜擬合問題;本文方法通過一次行就能獲得一組具有集系特性的地震,在擬合多比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  3. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊力學模型,此時考慮脊柱的大位移,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和系數因子
  4. Thirdly, we consider the n - dimensional duffing type equation with damping term. by virtue of homeomorphism, extension and fixed point method, we discuss the existence of periodic solution under the nonresonance condition

    再次,我們考慮n維的帶有項的duffing型方程,用同胚延拓及不點方法,討論了非共振條件下周期解的存在性問題。
  5. The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.

    看來採用自由無正規模態可保證變形的線量和角量為零。
  6. The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation

    摘要油液器受指數型高斯色噪聲外激勵時,活塞在油腔內的可用一階非線性力學方程描述。
  7. Sma damper used for civil structure passive control

    器在土木結構被控制中的
  8. This may be damped or undamped forced notion.

    它可以是強迫或非強迫
  9. Compared with the passive car suspension, the semi - active car suspension system with the intelligent mr damper can control the damping force automatically with the computer control and then enhance the ride comfort and handling stability of the car effectively

    與傳統的汽車被懸架系統相比,裝有磁流變器的半主懸架系統,可以根據路面狀況和車輛行狀態,在計算機的控制下自調節力,大大提高了汽車乘坐的舒適性和行駛安全性。
  10. In the semi - active damper of high - speed train, piston ' s velocity should be measured conveniency and accurately for succeeding in calculoting and adjusting the damp parameter

    摘要基於天棚原理的高速列車半主減振器中,為實現對實際安裝減振器系數的計算和調整,需方便、準確地測量活塞速度。
  11. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向的體微機械器件,其周圍空氣表現為滑膜。本文基於滑膜的兩個模型,通過改變振子與襯底的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等參數,研究了這些參數對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器特性的影響。
  12. During the simulation of the secondary lateral suspensions for the high speed passenger vehicle with no - bolster bogie, the effective using semi - active control to improve the ride comfort are studied

    通過對採用無搖枕轉向架的高速客車懸掛系統橫向模型的模擬實驗,研究了半主控制改善車輛行平穩性的有效性。
  13. 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、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。
  14. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水力系數,計算包括不同吃水時的附加質量和系數,吃水范圍涵蓋了船舶大幅度時所有可能的吃水;然後建立和求解船舶大幅度方程,在實際計算時一方面考慮了模態之間的耦合,另一方面在計算水力時,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水力系數隨吃水瞬時變化,靜浮力的計算精確到船體瞬時濕表面積,最後用四階龍格?庫塔方法在時域內求解船舶方程,並進行了載荷計算。
  15. 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有重要的影響;同時也研究了鉸鏈處外力矩對展開的影響,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;分析了伸桿彈性和對伸桿展開過程的影響,彈性增大碰撞加速度增大,增大加速度減小,因此可將鉸鏈處外力矩和伸桿作為伸桿展開調節的手段。
  16. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分子材料的有效功能區是在ipn材料的t _ g區間內,而研究常溫條件下的性能更具有重要應用價值,態熱機械分析( dma )儀對ipn材料進行表徵,在5 180內對其損耗因子( tan )進行研究,發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn性能的影響較大,存在一個合理配比值,當pma與粘度為3300pa ? s的pdms之比(質量比)為1 . 17 : 1 、交聯劑用量為1時, tan最大值為0 . 735 ,大於0 . 3的溫域差達到46 。
  17. In this paper, the geological characteristics of talc for changfeng and heyuan is introduced. the condition of talc is analysed. it is discussed the genesis of talc

    介紹了採用單向托輥和板的方法對上帶式輸送機斷帶下滑和帶式輸送機逆轉進行全線柔性摩擦制的技術方案、主要結構、原理、理論分析計算及應用情況。
  18. Finally, on the base of all work above and present condition, the experimental system is built up in light of the space environment of weightlessness and weak damping where the coupled structure works, and the experiments is carried out

    該系統利用單軸氣浮臺實現了低阻尼運動基的建立,並採用反作用輪方< wp = 5 >式實現了在不引入附加的條件下基的機
  19. 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的特性參數及其規律的方法。
  20. To this problem, on the basis of the work property and characteristics of the water turbine ' s blade. the finite element mechanics model of blade vibration characteristic is described with the eight - node three - dimensional nonconforming and all parts of blade damp are analysised, the calculating model of blade damp is built, the tackling method of blade damp in calculating of dynamic stress is presented

    本文根據水輪機葉片的特點和工作性質,採用空間八結點非協調等參單元描述水輪機葉片特性的有限元力學模型,詳細分析了水輪機葉片各組成部分,並建立了葉片的計算模型,提出了葉片應力計算中的處理方法。
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