hysteretic damping 中文意思是什麼

hysteretic damping 解釋
遲滯阻尼
  • hysteretic : 磁滯的
  • damping : n. 【物理學】阻尼,減幅,衰減。 damping resistance 阻尼電阻。
  1. 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。
  2. Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula

    本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數(動態剪切彈性模量、耗能模量、損耗因子)的影響。
  3. 2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation. based on the acute review and analysis on the non - steady processes with hysteresis, a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover

    熱聲振蕩滯后迴路在系統地考察其它非穩態過程特性的基礎上,首次提出並實驗驗證了熱聲起振和消振過程中存在「滯后迴路」 ,並對滯后迴路的影響因素進行了研究。
  4. The pile is assumed to be vertical, elastic and of uniform cross - section, and the soil is regarded as a linear visco - elastic layer with hysteretic damping

    假定樁為豎直彈性等截面體,土為線性粘彈性體,其材料阻尼為滯回阻尼。
  5. It indicates that viscous damping of soil layer shows a clear different effect on dynamic response at pile head comparing to hysteretic damping

    研究表明,對于樁頂響應,樁側土的粘性材料阻尼呈現出與滯回阻尼明顯不同的影響特點。
  6. Hysteretic damping application in time domain analysis of soil layer

    滯后阻尼在土層時域分析中的應用
  7. 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 。
  8. Time domain torsional response of dynamically loaded pile in hysteretic type damping soil layer

    層狀地基中群樁水平振動
  9. The main original work includes : 1. the interaction between an integral pile and a uniform visco - elastic soil layer with viscous damping or hysteretic damping is theoretically studied, and the pile response to a harmonic load is obtained in a closed form and used to define complex stiffness at the pile head. semi - analytical solution of the velocity response in time domain subjected to a semi - sine wave exciting force is also given

    主要工作包括: 1 、在考慮樁周土三維波動條件下,對滯回阻尼、粘性阻尼單層均質土中樁土縱向耦合振動問題進行了解析研究,分別得到樁頂位移、速度頻域響應以及復剛度的嚴格解析表達,以及半正弦脈沖激振力作用下樁頂時域響應半解析解。
  10. With the hysteretic hoops acquired from the experiment, the effective damping ratio of the joint, with which the energy dissipation of the joint may be weighted, is calculated

    通過研究擬靜力試驗所得的滯回曲線求得該節點的等效阻尼比,衡量它的耗能能力。
  11. The framework and results of this study is thus summarized as follows : 1. analyzing the effect of the nonlinear parameters on seismic response. so far the g / g _ max - ( transient dynamical shear modulus over the maximum shear modulus vs. shear strain ) and the - ( equivalent shear hysteretic damping ration vs. shear strain ) curves are widely employed in the experimental method in studying soil dynamic property, supposing under equiamplitude cyclic load

    目前,人們利用實驗手段分析土體動力特性時給出的最基本的描述量是g g _ ( max ) ?曲線(等效動剪切模量與最大動剪切模量的比值隨應變幅值變化的曲線)及?曲線(等效剪切滯回阻尼比值隨應變幅值變化的曲線) 。
  12. 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。
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