水平阻尼 的英文怎麼說
中文拼音 [shuǐpíngzǔní]
水平阻尼
英文
horizontal 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。The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude
在回歸出中小地震的衰減關系后,本文對峰值加速度(水平向與垂向) 、加速度反應譜(阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的衰減特性進行了分析,影響因素主要考慮了震級與距離這兩個方面。Conclusions can be drawn from the calculation results that the instantaneous horizontal displacement of the structure fluctuates around the static result and converge to the static displacement because of the influence of damp
從計算結果可以看出,動力分析的水平位移比靜力作用的最大水平位移大很多並以靜力位移為中心上下波動,並在阻尼作用下收斂到靜力位移。The problem of non - classically damp, after the structure ' s damp and linear water ' s damp are added up, are solved by way of complex mode transformation, and the dynamic responses of a offshore platform are studied under the circumstances of thinking about the mutual effect or not
復模態變換解決結構阻尼與線性化后的水阻尼迭加后不具有經典阻尼的特點而產生的計算問題,針對某典型鋼質海洋平臺在考慮和不考慮波浪力與平臺結構相互作用的兩種情況下,進行了動力響應數值分析和研究。Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms
針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。The electrical damping within the whole subsynchronous frequency range is calculated. the impacts of the unit interaction factor between hvdc and turbine generator, the dc power level, the firing delay angle and the parameter settings of hvdc controller on the have the potential danger of subsynchronous oscillation
在整個次同步頻率范圍內,計算得到了系統電氣阻尼,並詳盡地分析了同步發電機與hvdc的耦合程度、直流輸送功率水平,換流閥觸發角大小以及控制器參數等因素對系統電氣阻尼的影響。Drawed into the idea of the damped algorithm of inertial navigation system ( ins ), this paper designs a three - order level damped net in the level loops of strapdown ahrs and uses the velocities to obstruct the oscillations
本文將傳統的平臺內阻尼的思想引入到捷聯慣性航姿系統中,通過設計水平迴路中的三階內阻尼網路,利用系統本身的速度信息來阻尼周期振蕩。Special - shaped column frame, its seismic behavior is studied and a new dissipating - seismic - energy structure, r. c. special - shaped column frame with viscoelastic friction damper ( f - ved ) is proposed and studied. a three - dimension solid element model is established for a special - shaped column frame to study its seismic behavior and time history responses under earthquake, some conclusion is drawn about its characteristics of force and displacement under horizontal earthquake action
為了進一步推廣和擴大異型柱框架結構的應用范圍,本文對異型柱框架結構在水平地震作用下的受力特點和抗震性能進行了研究,並提出在異型柱框架中設置粘彈性?摩擦阻尼器( viscoelastic - frictiondamper ,簡稱f - ved ) ,對其進行了水平地震作用下的減震控制研究。The simulation results show that the level damp of dins can reduce the influence of the external velocity error, and restrain the error of longitude effectively
通過模擬分析,比較兩套阻尼系統的模擬結果,可以看出雙慣導水平阻尼能夠顯著降低外速度誤差的影響,抑制經度誤差。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。We test two work states in the experiment. the results prove that the math model come true in the software system
在慣導系統的對接聯調實驗中,本系統軟體完成了無阻尼工作狀態和水平阻尼工作狀態的測試,實驗結果表明軟體實現了數學模型的功能。In light of the character of the dins, a damped network was based on the traditional design of damping equalizers for the vertical errors, and the relation between a various of errors and the new level damped system was analyzed, and the navigation information of dins was combined
在借鑒傳統水平阻尼網路的基礎上,針對雙慣導系統的特性設計了新的阻尼網路,並分析了其誤差源與雙慣導阻尼網路的關系,對雙慣導系統的導航參數進行線性組合輸出。The mechanic character, destroying pattern, the ductile and dissipation energy capacity of this composite structure under the earthquake have been clarified. the stiffness degradation, natural frequency, damping ratio of this structural system with the development of intensity of earthquake have also been investigated. with consideration of the top displacement, drift of story and micro - strain of longitude steel bars, the equivalent shell wall method has been presented in order to simplify the design of such type structure
通過試驗,掌握了該結構體系在水平地震荷載作用下的受力特點、變形與耗能性能、結構的破壞形態等力學指標:得到了結構在不同地震烈度條件下的剛度變化、自振頻率、阻尼比等動力特性;綜合結構的頂點位移、層間轉角以及鋼筋的微應變,提出了適合於該結構體系簡化設計的「等效剪力墻法」 。According to the characteristics of the series - base - isolation structure, the calculation formulas for the equivalent damp and equivalent stiffness of the structure were given, and the desirable equivalent damp could be obtained by rational design of multi - level yield shear stress of composite bearings
根據串聯基礎隔震結構的特點,給出了該種隔震體系的等效阻尼、等效剛度的計算公式;將串聯隔震支座設定為多個屈服剪力水平,得到了較好的等效阻尼。On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable
本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景,建立了福建電力系統及其與外部互聯的數學模型,開展大量的模擬計算分析,研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律:前述互聯可以安全穩定運行,取得顯著效益,當傳輸功率達到一定量后,主網架增加了送出或吸收互聯交換功率的負載,系統運行狀態向穩定性水平有所下降的方向轉移;聯絡偏弱使阻尼偏弱,聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發,聯絡線一旦重載斷開,系統高周或低調嚴重。The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction
進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗,研究了結構在水平地震作用下的受力特點、變形特徵、破壞形態等力學性能;得到了結構在不同受力階段的頻率、阻尼、反應譜等動力特性變化規律;討論了結構各樓層的水平位移、層間位移、地震力、加速度放大系數及構件應力分佈規律等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部位;提出了多層帶縫空心剪力墻結構的第一階段設計方法和相應構造措施。Details behavior as bellows : ( 1 ) the damping force of the damper with concrete ductility column is higher, and the final damping force smoothly decreases. ( 2 ) the ductility ratio of the damper with concrete ductility column is larger, so it has good ductility and its most level displacement is 1 / 14 ~ 1 / 8 of the column height. ( 3 ) the hysteretic curve of the damper with concrete ductility column is plumper
具體性能如下: ( 1 )混凝土延性柱耗能器的阻尼力比較高,後期阻尼力下降比較平緩; ( 2 )混凝土延性柱耗能器的位移延性系數較大,具有較好的延性,最大水平位移達到柱高的1 / 14 1 / 8 ; ( 3 )混凝土延性柱耗能器的滯回曲線飽滿; ( 4 )混凝土延性柱耗能器中延性柱屈服后等效粘滯阻尼系數迅速增大,消耗地震能量的能力增大; ( 5 )混凝土延性柱耗能器中每根延性柱的破壞形態基本一致,表現了良好的共同工作性能。Research on structural vibration control contains vibration mitigation using tuned liquid damper and mr damper, respectively. the sloshing characteristics of tld are investigated using shallow water wave theory and the effectiveness and feasibility of the tld on platform vibration suppression are investigated
利用淺水波動理論研究了調諧液體阻尼器內液體的振蕩特性,並就調諧液體阻尼器應用於海洋平臺振動控制的有效性和可行性進行了數值模擬研究。The horizontal stiffness of isolated layer is reduced, the effect of the base - isolated structure is clear. and the damping is enlarged to reduce the displacement of the superstructure
隔震層的水平剛度越低,隔震效果越明顯,隔震層位移隨之增大,需增大隔震層阻尼來減小位移。In this thesis, we make a minor modification to the line search process and propose a newton method with the modified line searches
本文充分利用自然水平函數的優點,在此基礎上對阻尼newton法進行改進,使效益函數具有單調下降性。分享友人