附加阻尼 的英文怎麼說

中文拼音 [bùjiāzǔní]
附加阻尼 英文
additional damping
  • 附 : Ⅰ動詞1 （附帶） attach; add; enclose 2 （靠近） get close to; be near 3 （依從; 依附） agree to; ...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 尼 : 名詞（尼姑） buddhist nun
  • 附加 : 1 （額外加上） add; attach 2 （附帶的; 額外的） additional; additive; attached; appended; append;...
  1. 5. the writer made three computation programs for wave force, added mass and added damping, tlp ' s kinetic respondence

    5 .編制了三套程序，可分別用於波浪力、附加質量與附加阻尼、 tlp的動力響應計算。
  2. The way to calculate the added - mass and the damping coefficient of the ship sections by conformal mapping and pulsating source method

    重點介紹了用多級展開法和源匯分佈法求解船體切片段的附加質量及阻尼系數。
  3. 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源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動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運動方程，並進行了載荷計算。
  4. 3. it studied the radiation problem of tlp, and paid attention to the computation of added mass and added damping about tlp which cylinders are set as regular polygon

    3 .研究了張力腿平臺的輻射問題，重點研究了浮筒柱正多邊形分佈情況下，總體輻射附加質量和阻尼系數計算問題。
  5. Abstract : by drilling holes on the surface, adding damping and isolating vibration to the roller, the vibration and noise radiation are not onl y reduced, but vibration energy of transmission to the surrounding objects is al s o restrained

    文摘:通過對輥筒進行表面處理、附加阻尼裝置和採用隔振措施，不但減少了輥筒的振動和噪聲而且抑制了輥筒振動能量向支架、地基傳遞，避免二次結構聲。
  6. The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy, which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification. now the main devices which have been developed in the passive control may be grouped into the following types : viscous, visco - elastic, metallic and frictional, and tuned mass damper ( tmd ) and tuned liquid damper ( tld )

    被動控制通過附加阻尼裝置耗散或吸收大部分的地震動能量以達到減振的目的，由於其控制裝置簡單，不需要外界能源輸入和系統識別，容易在工程上實現並已得到廣泛的應用；目前被應用於結構被動控制的阻尼器主要有：粘滯型、粘彈型、摩擦型、調諧質量阻尼器（ tmd ）和調諧液體阻尼器（ tld ） 。
  7. Design of supplemental sub - synchronous oscillation damping control based on h robust control theory of hvdc system

    魯棒控制理論的高壓直流輸電系統附加次同步振蕩阻尼控制設計
  8. This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid

    在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上，本文給出阻尼器線圈的前置電流放大電路，並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。
  9. 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阻尼的條件下運動基的機動。
  10. In recent years, engineers have provided many countermeasures to control the vibration, including attaching dampers on cables

    近年來，在結構工程師採取的各種控制拉索風致振動的措施中，以附加阻尼器方式的應用最為廣泛。
  11. 2. the mechanism of the msd is discussed. it is pointed out that they can add both stiffness and damping to the main structure

    分析本文軟鋼阻尼器的耗能機理，指出這種阻尼器可以給結構附加初始剛度，同時為結構提供附加阻尼耗散輸入的能量。
  12. 6. it also studied general variation regularities of wave force, added mass and added damping, tlp ' s kinetic respondence based on engineering examples and got some valuable conclusions ( see text )

    6 .基於工程實例，分別研究了tlp波浪力、附加質量與附加阻尼、 tlp的動力響應的一般規律，得到了一些富有工程意義的結論（詳見正文） 。
  13. Afterwards, we take sag of cables into consideration and investigate the effect of the sag of cables on the effectiveness of viscous shearing damper. finally, experiments are carried out on jun shan bridge and bai sha zhou bridge to testify the effect of viscous shearing damper and the feasibility of the finite element method and galerkin approach to analyze the effectiveness of viscous shearing damper

    然後在考慮斜拉索垂度的情況下，利用迦遼金方法，編製程序求解拉索振動的附加阻尼，並與未考慮垂度情況下的拉索振動的附加阻尼值相對比，分析垂度對附加阻尼的影響。
  14. Stability and intensity of structure are commonly top - priority in the structure design. when a noise problem has been found in the structure, the common way to decrease vibration is adding damping or vibration isolating because of much restriction in the modification of structure

    在常規的結構設計中，設計過程往往優先考慮結構的穩定性和強度及重量等因素，在試驗階段才考慮振動和噪聲問題，此時，結構可改動的餘地一般已經很小，通常只可能通過附加阻尼或者採用隔振手段等來實現減振降噪。
  15. On this basis, the further research of anti - seismic of buckling restrained braced frame is performed. derive additional damping and influence of buckling restrained brace to column axis strength. example proved, as to concentrically braced frame, buckling restrained braced frame has better anti - seismic performance

    在此基礎上，將此種支撐應用於框架中，對防屈曲支撐框架的抗震性能作了進一步的研究，推導了防屈曲支撐的附加阻尼比以及防屈曲支撐對柱附加軸力的影響，並且通過對一個算例進行非線性時程分析驗證了相對于普通中心支撐框架，防屈曲支撐框架具有更好的抗震性能。
  16. 4. based on energy equivalence and power equivalence method separately, the additional damping ratio formula of nonlinear viscous damper is derived and it ' s suggested power equivalence method is more suitable for nonlinear viscous damper. then the transforming equality between actual and spectra velocity of structure is derived, based on which, the additional damping ratio equation is revised

    4 、分別採用能量等效方法和功率等效方法，推導了非線性粘滯阻尼器的附加阻尼比公式，指出功率等效法更適合於非線性阻尼器；推導了結構的實際速度和譜速度之間的轉換公式，基於該轉換公式修正了功率等效方法下的附加阻尼比計算公式。
  17. An optimal hankel norm approximation model reduction method is used to reduce the equations of motion to lower order size. it is shown that the method is steady, efficient by numerical emulating. firstly, the influence of viscoelastic layer thickness and material properties, piezoelectric actuator layers thickness on the vibration suppression are investigated

    採用最優hankel最小階逼近降階法對主被動混合阻尼結構的控制狀態方程進行降階，以附加主動約束阻尼層的梁結構為例，進行了數值模擬，結果表明：該方法是一種穩定的、高效的、魯棒性很好的降階方法。
  18. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點，本文進行了以下的研究工作：在忽略耗能器附加質量的基礎上，推導出適用於耗能減震結構的攝動法，減少振型分解法在迭代計算過程中的工作量，加快計算速度；針對運動方程的強行解耦所產生的誤差，根據攝動法原理，對其進行一階攝動修正；為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差，引入狀態空間對系統進行復模態分析，並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法；對于耗能器的數量和位置優化進行了一些探討和研究。
  19. 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。
  20. Now there ' re more attentions upon development, mechanics performance, computation module, dynamic analytic method of dampers at home and abroad for research on the energy - dissipation structures with viscous damped bracings, but research on conceptual design principles and additional damping ratio ' s determination are less and only localized in terms of the principle which restrict the expansion and application of the energy - dissipation earthquake - reduction technique

    國內外對粘滯阻尼消能支撐結構的研究多側重於阻尼器的開發及其力學性能、計算模型、動力分析方法等方面，而對與實際工程應用直接相關的概念設計原則、附加阻尼比的確定等方面的研究則相對薄弱，一般僅限於原則性條款，這制約了消能減震技術的推廣應用。
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