structural damping 中文意思是什麼

structural damping 解釋
構造衰減
  • structural : adj. 構造上的，結構上的，組織上的。adv. -ly
  • damping : n. 【物理學】阻尼，減幅，衰減。 damping resistance 阻尼電阻。
  1. 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阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、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阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  3. Tang yong - jie ， yan li - tang ， hu xuan - li ， et al. research on piezoelectric damping technology in structural vibration : ( 2 ) piezoelectric active damping technology j. piezoelectics & acoustooptics ， 1996 ， 18 ( 1 ) : 2831

    唐永傑，晏礪堂，胡選利，等.結構振動控制中壓電阻尼技術研究： （二）壓電主動阻尼技術j ] .壓電與聲光， 1996 ， 18 （ 1 ） : 2831
  4. The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given

    3 .研究了阻尼中心對稱結構動力模型修正問題，對給定的三重矩陣（質量矩陣、剛度矩陣和阻尼矩陣） ，求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣，並給出數值算例。
  5. The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method

    4 、對拉索-粘性阻尼器系統的動力特性進行了研究，得到了拉索剛度、阻尼器安裝高度及阻尼系數等參數對拉索系統模態阻尼比的影響規律；根據最優控制原理，提出了一種確定阻尼器優化阻尼系數的方法，該方法確定的阻尼系數能保摘要證前幾階模態阻尼比得到整體優化，改進了現有的設計方法。
  6. An updating method for damping parameters of structural dynamical model

    結構動力學模型中阻尼特性參數的修正
  7. 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。
  8. 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。
  9. The feasibility and control effect of applying the adrc to the time delay system is also discussed. by applying the adrc to the structural seismic response control of the system with the input time delay, the simulation proves that the adrc is feasible to damping the structural seismic response

    通過自抗擾控制器在輸入含有時滯的結構減振控制中的應用，模擬結果表明對輸入含時滯時結構減振控制效果明顯，自抗擾控制器對時滯系統的控制是可行的。
  10. As for the viscous dampers " optimum installation in structure, the passive control strategy based on the structural sensitivity analysis and structural dynamics modification is proposed, and applied in energy dissipation and damping control of eccentric structures

    對于粘滯阻尼器在結構中的優化設置問題，提出了基於結構靈敏度分析與結構動力學修改的被動控制策略，並將其用於粘滯阻尼器對偏心結構的耗能減震控制。
  11. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎，將框剪結構的剛度、質量、阻尼等結構參數為隨機變量.通過求解隨機有限元的遞推方程，得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參數單獨變異，以及同時變異對框剪結構地震響應的影響.研究結果表明，對框剪結構而言，結構參數的變異對響應的均值變化影響都不大，主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異，質量的變異性影響稍小，阻尼的變異性影響不顯著.結構各參數的同時變異，對框剪結構地震響應的影響，僅比剛度單獨變異的影響稍大
  12. The thesis discussed the effects of the factors on the high - rise isolated building, such as the rigidity and - damping of isolation system, the structural rigidity, the earthquake ground motion duration and so on

    本文對影響高層隔震建築的諸多因素如隔震系統的剛度、阻尼、結構的剛度、地震動持時、雙向地震作用等進行了討論，為工程建設提供一些參考。
  13. With the aid of the method for determining damping ratio in structural dynamic experiment the so called stationarity index is used to estimate the gentleness of the peak ’ s slope

    文中藉助結構動力試驗中阻尼比的確定方法，提出用平穩度指數來評價單峰點包線函數平緩程度。
  14. Significance of some measures to improve the application of computer simulation technology in structural seismic analysis, including establishing or upgrading the hysteresis model and multiparameter failure criteria of structural members, studying the damping mechanism of structures during decomposing, discussing the application of database technology in simulation system, developing analysis models for innovating structures and algorithms for analysis of earthquake responses of structures with initial damage, and introducing parallel technology is pointed out

    指出建立或完善構件層次的滯回本構模型和多參數破壞準則，研究結構解體前後的阻尼機制，探討數據庫技術在模擬系統中的應用，發展新型結構體系的分析模型以及具有初始損傷結構的地震反應分析方法，引入并行計算技術等對推動計算機模擬技術在結構抗震分析中的應用具有重要的意義。
  15. Vibration discomfort arise in modern infrastructures due to they are commonly designed light in mass and less in stiffness and damping. researches in this field are of very significant in improving current structural design methods and would greatly contribute to reliability theory

    振動舒適度問題是現代工程結構普遍存在的問題，也是工程結構可靠度研究的一個主要內容，系統地研究振動舒適度問題，對于提高現有的結構設計水平，完善可靠度理論具有比較重要的意義。
  16. The structural damping property of re zinc base composites

    復合材料的結構阻尼特性
  17. The research history and recent develepment of structural damping

    結構阻尼的發展及其研究近況
  18. The study shows that adequate modes are important to ensure the precision of computation, and different ways to deal with cross terms of force spectra and modals have a great effect on results, and the resonant responses are sensitive to the structural damping ratio

    研究表明，選擇足夠數量的參振模態對保證計算精度非常重要，力譜交叉項、模態交叉項的不同處理方法對計算結果有較大影響，並且結構共振響應對結構阻尼很敏感。
  19. After calculated the wind response of high - rise building with suspension structural system, damping ratio and vibration patterns are changed and different results will be obtained. combing the vibration characteristic of structure, the reason that outcome is different is interpreted

    具體計算高層懸掛結構頻域內的風振響應，改變結構阻尼比及參加計算的振型，得到各種不同情況下的風振響應，結合結構的自振特性，分析各種響應的特點及各自的產生原因，得出有用結論。
  20. Structure vibration control is a new kind of anti - earthquake technique. structural damping by energy dampers is one of effective passive control methods and can effectively reduce structure ' s wind vibration and earthquake response

    結構振動控制是一種新型的抗震技術，利用耗能器進行結構減震就是一種有效的被動控制方法，能有效的減小建築結構的風振和地震反應。
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