理論阻尼 的英文怎麼說

中文拼音 [lún]
理論阻尼 英文
theoretical damping
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • 理論 : theory
  1. 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

    人體脊柱動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,並以此為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,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
  2. The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4

    流變學方程表明:改變通道的磁場強度可以控制磁流變器的力,從上分析了磁路參數和通道的結構參數對磁流變力的影響。
  3. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調減振器的結構和工作原,運用流體力學,建立了該減振器特性的非線性參數化模型,模擬分析了活塞閥孔徑、調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器性能的影響,通過試驗測試,得到了減振器樣件的特性及其可調范圍。
  4. 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,提出利用drucker ? prager材料建立土壤的非線性有限元模型。
  5. This paper deduces the equation groups of large span steel truss bridge which installed mr dampers of coupling vibration of vehicles and bridge. and provide the two strategies of semi - active control

    本文從上首次推導出設置擬況器的大跨度鋼析架橋梁車橋禍合振動的系統受控方程並提出了兩種控制策略。
  6. Chapter 6 introduces the physical embodiments of the new type of active damping suspension

    第六章討了基於力反饋原的主動懸架的結構實現及其實驗研究。
  7. Chapter 4 constructs a set of theories in which design and optimize a new type of active damping suspension based on the active force feedback principle

    第四章在上建立了一套基於主動力反饋原的新型主動懸架的設計和優化方法。
  8. 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工大學碩士學位文微塑性變形有關。
  9. 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

    試驗結果和計算結果表明,在多遇地震下摩擦機構不起滑,粘彈性-摩擦器的減振效果和純粘彈性器相當,而摩擦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-摩擦器的減振效果最好。
  10. 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

    文通過對這種分離式減震支座各組成部分工作機的研究,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;通過高橡膠剪切試驗,分析了高橡膠剪切面形狀、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。
  11. Finally, floquet ' s theory is used to generate - dynamic stability system equations for the purpose of determining both undamped and damped instability regions

    最後採用floquet求得考慮及不考慮時確定動力失穩區間的控制方程。
  12. The damper is mounted on the free end of the rotor. the experiments done show that the oil whip can be good damped by the passive electromagnetic damper

    計算的基礎上還進行了實驗研究,在不停機的條件下,通過被動式電磁器成功地在線消除了系統的油膜振蕩。
  13. Among hese method, one of the simplest is the deepest gradient descent algorithm, but it has one disadvantage that the solutions are oscillatory and slowly convergent. a friction term is ntroduced to avoid oscillatory solutions and raise convergence rate. the third major contribution of this dissertation is study on 3 - d diffuse object surface optical automatic measurement

    其次,結合要處的具體問題,介紹數值優化及幾種常用的無約束最優化計算方法,以最優梯度法為基礎,討其演算法的優缺點,通過引進系數,改進了演算法的收斂速度,從而提高迭代精度。
  14. On the basis of theoretic analysis and numeric calculation, the author verifies that only is the ratio of the fundamental period of the structure to the disturbance period beyond 1. 4, it ' s possible to achieve reductions in both the relative displacement and the absolute acceleration responses

    作者在此基礎上,從分析和數值計算兩方面證明了粘性變控制僅在結構周期與激勵主周期的比值大於1 4時才有可能同時減小結構的位移反應峰值和加速度反應峰值。
  15. The paper discusses how to reconstruct the 3d model of alimentary canal from many medical tomographic images using the computer 3d visualization technology, explains the work principle of its operation signal gathering devices and feedback force controlling devices, and describes the mass - spring / damper simulation model used in the software emulation

    主要討了通過計算機三維可視技術,對醫學斷層影像重建得到三維訓練模型;並講解系統外設實現操作量採集和力反饋的工作原,以及系統模擬軟體採用的質點彈簧模擬模型。
  16. 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裝置的性能參數;利用單質點模型進行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裝置結構,安裝了粘彈和粘滯裝置的三種結構進行了反應譜和時程分析,得到了與分析一致的結果。
  17. Theoretically the absence of damping results in an infinite response at resonance.

    上,無時將引起無盡的諧振響應。
  18. 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運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動的技術方案、主要結構、原分析計算及應用情況。
  19. Based on analyzing the exploitation and applying of bridge bearing, aiming at the hotspot of bearing research, the paper introduces the isolation bearings " structure and working mechanism. the paper also brings forward a promising isolation bearing model - polysaccharid sliding rubber bearing + high damping rubber damper

    文在分析國內外橋梁支座開發應用現狀的基礎上,針對目前橋梁支座開發研究的熱點,對現有減震支座的構造和工作機做了簡單的介紹。認為聚四氟乙烯滑板支座+高橡膠塊分離式減震支座是一種很有發展前景的減震支座形式。
  20. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵磁電流條件下的理論阻尼力與測試力進行了比較,分析了產生誤差的主要原因;對器產生溫度效應產生的主要原因進行了分析,提出了應該提高磁流變體的溫度穩定性;推導了磁流變體的感性和容性流動方程,從上分析了磁流變體的感性和容性對器特性的影響。
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