nonlinear damping 中文意思是什麼
nonlinear damping
解釋
非線性阻尼 阻尼力不與速度成正比的阻尼-
So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys
本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時，文中從研究單質點結構的滑動振動慣性力入手，進而對多質點結構體系滑動振動反應進行探討，分別給出了結構滑動隔震的自身穩定條件。最後，本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析，進一步證實了基礎滑移隔規律。 -
The influences of potential damping, nonlinear viscous damping, wave heights and wave frequencies in regular beam waves on the safe basin were investigated
分析了非線性橫搖方程中勢流阻尼、非線性阻尼以及在橫向規則波作用下波高和頻率對安全池的影響。 -
Based on the analysis of the dynamic behavior of nanning bridge by means of spatial finite element models, the nonlinear dynamic time history method is used to conduct the sensitivity analysis of the parameters of viscous dampers ( damping constant c and damping exponent ? ) of the bridge and the laws of influence of the parameters on the seismic response thereof have been obtained
摘要在來用空間有限元模型對南寧大橋動力特性分析的基礎上，採用非線性動力時程分析方法，對南寧大橋粘滯阻尼器參數（阻尼常數c 、阻尼指數? ）進行敏感性分析，得出粘滯阻尼器參數對南寧大橋地震響應的影響規律。 -
More precisely, we consider the existence time for a kind of the semilinear schrodinger equation, and the - existence of a solution of the initial boundary value problem for the klein - gordon equation with nonlinear damping and source terms
） dinger方程解的存在時間的估計和一類含非線性阻尼和源項的klein - gordon方程初邊值問題解的存在性。 -
Then a 16dof rotors system with 2. span, 4. disk and 4. support is modeled in the form of plural ode, considering the unbalance of mass, external damping, nonlinear oil film forces as well as elevation of the bearings
（ 4 ）針對求復數ode周期解及穩定性分析，討論了復數打靶法和floquet理論的應用問題，證明了復數ode與實數ode對應jacobian和單值矩陣的關系。 -
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 -
The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film
研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性，基於可用三個函數表示動態油膜的非穩態非線性油膜力模型，將轉速比、不平衡量、阻尼比、粘度作為控制參數，利用floquet乘子預測周期解的局部穩定性，發現倍周期分叉是由一定量的不平衡引起的，而hopf分叉是由油膜失穩造成的。 -
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。 -
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。 -
Oscillations of higher order nonlinear impulsive differential equations with damping
高階非線性阻尼脈沖微分方程解的振動性 -
This dissertation also presents the equivalent stiffness and damping models and the nonlinear hysteresis and saturation model of a kind of the mr damper developed by the experimental testing and modeling in order to describe accurately characteristics of the mr damper
建立了磁流變阻尼器的等效剛度和等效粘性阻尼系數與施加電壓、激振頻率和振幅的關系以及能精確表示磁流變阻尼器的力學特性的非線性滯回模型。 -
The effects of nonlinear damping and force source term on blowing - up of the solution were analyzed with an energy - compensation method
用補償能量的方法研究了非線性阻尼項和力源項對解的爆破行為的影響。 -
The damping values of damping aluminum - alloy and zinc - alloy are measured. nonlinear laws between damping value and strain of damping alloy are obtained by mean of experiment and numerical fitting
以鋁基和鋅基阻尼合金製成的試件為實驗對象，測定了這兩類阻尼合金的阻尼值。 -
For a kind of dynamic uncertain systems, basing on backstepping scheme and combining variable structure and nonlinear damping approach, this paper sufficiently considers unmodeled dynamics and disturbances in the input - output channel
本文針對一類動態不確定系統，基於backstepping設計策略，結合變結構控制與非線性damping方法，充分考慮了系統的未建模動態與輸入輸出通道有干擾的情況 -
Moreover, nonlinear damping is injected in a variable structure mode so as to accelerate the rate of convergence as well as to avoid current noise being magnified
該控制律以變結構的方式注入非線性阻尼，以加速系統的收斂，並防止放大電流噪聲。 -
Using the cogent validity of backstepping " s solving parametric - strict - feedback nonlinear systems, xinghuo yu and wu yuqiang ( 1998 ) solved the output - tracking problem of a kind of linear time varying system by combining nonlinear damping method and variable structure scheme. in this dissertation, we sufficiently consider the effect of disturbances in the input channel basing on the same model
Xinghuoyu和yuqiangwu （ 1998 ）針對一類線性時變系統的輸出跟蹤問題，基於back飛tepping設計機制，將帶有非線性dallpipg項的設計方法與變結構控制方法相結合，給出了一種新的非線性控制器設計方法 -
Utilizing backstepping procedure, general expression of control strategy for hvdc converters is acquired. the control strategy can restrain the nonlinear uncertainty through injection of nonlinear damping terms in virtual controllers. the proposed decentralized adaptive control scheme guarantees that all the signals in the closed - loop system are bounded in the presence of high order interconnections and bounded disturbances
設計中引入自適應非線性阻尼項來抑制系統非線性不確定參數和未知有界干擾的影響，同時採用反演設計方法來克服控制器設計的復雜性，最後獲得高壓直流輸電系統換流站的分散魯棒自適應控制策略的一般表達式，並提供了整個系統的穩定性證明。 -
Based on the reference [ 22 ], the dynamical modeling converters for hvdc system have been transformed to a nonlinear system represented by input - output model with unmodeled dynamics and bounded disturbances, and a robust adaptive output - feedback nonlinear controller is designed. the controller counteracts the uncertain dynamic nonlinearities and bounded disturbances by nonlinear damping terms, and unmodeled dynamics by a dynamic signal
本文在文獻[ 22 ]的基礎上，對高壓直流輸電系統換流站動態模型進行變換處理，將其化為一類具有含未建模動態和有界擾動的輸入-輸出非線性系統，並設計了一種魯棒自適應輸出反饋控制器，利用非線性阻尼項來抑制系統的動態不確定性和有界擾動，引入一動態信號來抑制系統的未建模動態。 -
The main research works and conclusions of this thesis are listed as follows. the dynamic analysis model of elastic mechanism system with damping alloy parts is deduced based on the relationship between stress and strain of the material, also the analysis model under viscous damping model, complex damping model, nonlinear damping model and viscous - elastic damping model is put forward using the finite element method
本文的主要研究工作及結論如下：從材料應力應變本構關系出發，導出了滯變阻尼模型、復阻尼模型、非線性阻尼模型、粘彈性阻尼模型下的有限單元分析模型，進而給出了含阻尼合金構件彈性連桿機構系統動力學模型。 -
For the klein - gordon equation with nonlinear damping and source terms, our purpose is, first, to obtain the local existence theorem and the continuation principle with p 2 ( ( n - 1 ) / ( n - 2 ) )
對于含非線性阻尼和源項的klein - gordon方程，先有局部存在定理和連續性原理。
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