總阻尼 的英文怎麼說
中文拼音 [zǒngzǔní]
總阻尼
英文
total damping-
Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves
採用激振法測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。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。Since the imaginary parts cancel the result is the sum of the dampings.
由於虛數部分抵消了,故其總和就是總阻尼。On the basis of above parts, this paper discusses the noise muffling of several kinds of plates. it gives the modifying formula of the mass law and verifies its accuracy with an example. at last, this paper explains the effect of stiffeners and damping on the plates " muffling characteristics
在認識隔聲理論的前提下,研究了板在寬頻域范圍上的隔聲特性,並總結了板材加筋以及敷設阻尼對結構隔聲的影響,具有一定的工程實用價值。Jacket is the most widely used offshore platform structural style. first of all, the paper summarizes the present achievements of dynamic analysis for offshore platform, and studies both the vibration isolation system for jacket and vibration - suppressed effectiveness. considering the style and character of jacket, and in order to make best use of dampers to reduce vibration, a damping isolation scheme, in which the damping layer is laid between the jacket cap and deck is put forward
本文在總結國內外對海洋平臺結構動力分析研究現狀的基礎上,針對淺海導管架式海洋平臺的型式與結構特點,研究了導管架式海洋平臺結構阻尼隔振體系及其減振效果,為了充分發揮阻尼器的耗能減振作用,提出了在平臺結構導管架端帽和甲板之間設置柔性阻尼層的新型阻尼隔振方案。At last, in according to the experiment results, the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation. further more, the relationship among the limit frequency, the value of prepressing, excitation frequency, the amplitude of excitation and the materiel parameter was analyzed. base on the theory analysis the limit frequency formula was given, and the contact - slip condition for engineering application was concluded
最後根據理論研究與試驗分析的結果,分析預緊接觸式彈簧阻尼系統產生滑移現象的機理以及共振峰值漂移現象的理論解釋,並通過定性分析接觸分離時的頻率與預緊量、激勵頻率、激勵力幅值以及墊層的材料參數之間的關系,提出能定量描述系統出現滑移現象的極限頻率公式,總結了預緊接觸式結構始終保持接觸的條件。Based on the structural feature of long blade with friction damper, pretwist beam element and space straight beam element were adopted to discrete the blade, and the numerical model of damper link element was established, then the gross finite element motion equation of the blade was obtained
針對帶摩擦阻尼器長葉片的結構特點,採用扭曲梁與空間直梁單元模化葉片,推導葉片阻尼連接單元的力學模型,由此建立葉片總的動力特性分析方程。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。In the same model, damping energy of structure and its proportion of total energy are almost linearly increased with the increase of damping ratio, and hysteretic energy of structure and its proportion of total energy are accordingly decreased. for the same damping ratio, damping energy and hysteretic energy vary 15 % to 35 % to the input energy in different models
在同一模型中,結構的阻尼耗能及其在總耗能中所佔的比例隨著阻尼比的增大近似線性的增加,結構滯回耗能及其在總耗能中所佔的比例則相應減少;對于同一阻尼比,不同的計算模型中,阻尼耗能及滯回耗能所佔總輸入能的百分比中,相差的幅度可達15 35 。In our experiment, we have studied the stre ngth, damping in detail. based on these, we summed up the influenc e law of various factors
在研究中,我們對材料的強度和阻尼性能進行了較詳細的研究,總結出各項因素的影響規律,確定了較優的材料配方范圍。Once the structures step into inelastic work state, the earthquake input energy is dissipated by the damp and inelastic distortion
結構一旦進入非線性階段,其地震總輸入能主要由結構的非彈性變形和阻尼來耗散。Suspa, headquartered in nuremberg ( germany ), is a leading and innovative manufacturer of gas springs, hydraulic and vibration dampers, height adjustment systems, crash management and safety systems
蘇斯帕,總部設立於德國紐倫堡;蘇斯帕是一家在氣彈簧、液壓及阻尼減震器、高度調節元件以及汽車安全防護系統領域具有領先水平和創造性的製造商。Through caculation example, the factors that will influece the results of seismic soil response including element meshing, intergration step, damping, boundary were studied and the regularity was generalized. in the third part, the pile - soil - superstructure model was constructed and solved
通過算例考察了影響土體地震反應的單元網格劃分、積分時間步長、阻尼取值、邊界等因素,並對土體地震反應的規律性現象做了總結。Various balance applications and operations on : crankshafts, propshafts, engine balance stands, flywheels, clutch plates, engine pulleys / dampers, torque converters, transmission parts
廣泛應用於曲軸、傳動軸、發動機平衡測試臺、發動機飛輪、離合器片、皮帶輪/阻尼器、扭矩變換器總成及全部傳動零部件等。In this thesis, a single disk rotor supported by two rolling bearings is used for studies, and a new method of reducing the vibration is proposed. the main works of this thesis are as follows : based on the comparison of various control methods for vibration suppression, a kind of passive electro - magnetic damper is presented. the structure of it is similar to that of the active magnetic bearing
為了降低轉子的振動,增加系統的穩定性,本文在總結當前國內外學者研究的基礎之上,提出了被動式電磁阻尼器的概念,並確立了本文的研究目標和研究方法:以工程應用為背景,結合轉子動力學理論、電磁學理論以及數據採集技術,以理論輔以實驗的方法,對被動式電磁阻尼器特性進行深入研究。At the same time, this paper gived a great deal of simulation research for the total damping of system and the damping of electromechanical mode of the system using a useful tool in power system - ssat ( small signal analysis tool ). the conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system
並利用一種有效的電力系統專用工具? ssat ( smallsignalanalysistool )對系統總阻尼以及系統的機電模式阻尼問題進行了大量的模擬研究。所得結論對于電力系統低頻振蕩的抑制以及電力系統穩定運行具有重要的參考價值。And the different damping ratio has little influence on the input energy in the same models
不同阻尼比對同一模型中結構總輸入能的影響的幅度較小。In this dissertation, on the basis of the existing work, the longitudinal vibration theory and the relevant properties of pile with defects and variation modulus in layered soils is studied, in which viscosity of pile material is considered and surrounding soils are simulated respectively with normal voigt model, normal maxwell model, general voigt model and general maxwell model
在總結前人研究成果的基礎上,本文將樁側土分別簡化為標準voigt模型、標準maxwell模型、廣義voigt模型、廣義maxwell模型,並考慮樁自身材料阻尼,對成層土中變阻抗樁的縱向振動理論及其特性進行了研究。So a new method is presented ( equivalent damping of pile lateral damping ) to realize the analysis of integrity pile in soil. in this method, the coefficient of the damping is calculated by the length ratio of each pile in a soil layer to the whole pile in the heterogeneous soil. and through much calculation by use of matlab program, the equivalent damping in the heterogeneous soil is proved to be correct
提出了採用加權的方法對成層土中樁側土阻尼系數進行等效簡化的概念,即把各層土阻尼系數乘以該層土中樁段長度占樁身總長的比值(即為加權系數) ,然後相加即得到一個等效阻尼系數。The traditional no - damp equation of a engine - mount system was modified with consideration of gyro effect
摘要應用陀螺力學理論,對傳統動力總成懸置系統的無阻尼動力學方程進行修正,引入陀螺矩陣,得到新的動力學方程。分享友人