線移滑動 的英文怎麼說
中文拼音 [xiànyígǔdòng]
線移滑動
英文
thread slippage- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 移 : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
- 滑 : Ⅰ形容詞1 (光滑; 滑溜) slippery; smooth 2 (油滑; 狡詐) cunning; crafty; slippery Ⅱ動詞(貼著物...
- 滑動 : slither; slippage; slipping; slide; sliding; run; sliding movement [motion]; glide; slump滑動閘門...
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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。The forecasts method including the forecast method of simple moving average, the forecast method of weighting moving average, the forecast method of single exponential smoothing, the forecast method of double exponential smoothing, the forecast method of multiplication model and the forecast method of monadic linear regression
預測方法包括簡單移動平均法、加權移動平均法、一次指數平滑法、二次指數平滑法、乘法模型預測法和一元線性回歸方程預測法。Gliding of grinding head holder adopts double straight line rolling glide. double ball screw rod transmission stabilizes moving speed and eliminates moving gap, reduces resistance and wear out, and ensures repeated positioning
磨頭座滑動採用雙直線滾動導軌,雙滾珠絲桿傳動,以達到穩定移動速度,消除移動間隙。From analysis of the test results the conclusions can be obtained as follow : the coefficient of friction under line contact is same as under point contact
研究表明:線接觸微動摩擦因數變化與點接觸形式相同;位移幅值在部分滑移區時,表面粗糙度對表面磨損有影響。Use your pen to paint lines to help smooth the skateboard kid at the finish line it starts operating guide : keyboard mouse control, mouse slid off the lines, and the next move around baffle that can help you do some bad cards off the tube
:用你的筆來畫線條,幫助滑板小子順利的到達終點吧操作指南:鼠標鍵盤控制,鼠標滑出線條,而上下左右移動擋板,可以幫你過一些不好過的管卡It is shown in the simulation that sliding mode control can guarantee the stability and robustness while vehicle is braking even if abs operates at the instability region of the adhesion coefficient and wheel slip curve or the surface condition changes, which is better than the pid control and nonlinear pid control
模擬結果顯示,即使在附著系數和滑移率關系曲線的不穩定區域,或是路面狀況發生變化,滑模控制也能保證制動的穩定性和魯棒性,其控制效果優于pid和非線性pid控制效果。In this paper, wheel - rail rolling contact creepages and creeps of independently rotating wheel are analyzed, the effects of lateral and yaw motions of independently rotating wheel, and the curve radius to creepages of wheel - rail rolling contact are emphasisatically researched. 4
論文對獨立旋轉車輪的輪軌滾動接觸蠕滑率/力進行了分析,研究了輪對橫移和搖頭運動以及曲線半徑對獨立旋轉車輪輪軌蠕滑率的影響情況。Fem analysis of associated and non - associated flow rules in theory of slip line field
滑移線場理論中不同流動法則的極限分析有限元解Introduction : use your pen to paint lines to help smooth the skateboard kid at the finish line it starts operating guide : keyboard mouse control, mouse slid off the lines, and the next move around baffle that can help you do some bad cards off the tube
用你的筆來畫線條,幫助滑板小子順利的到達終點吧操作指南:鼠標鍵盤控制,鼠標滑出線條,而上下左右移動擋板,可以幫你過一些不好過的管卡This product applies to the flat glass - grinding straight - edge, coarse grinding, finishing grinding, polishing once completed, tracked drive inverter used to control motor speed, smooth and reliable, cement blocks sliding box when sliding double - linear ball guide, ball screw double - action speed stability and precision
本產品適用於磨削平板玻璃的雙直線平邊,粗磨、精磨、拋光一次完成,履帶驅動採用變頻電機調速控制,平穩可靠,磨頭座滑動箱體滑動時採用雙直線滾珠導軌,雙滾珠絲桿傳動,移動速度穩定、精確。In this dissertation, the development survey, research actualities and application prospect of vamt are introduced at first, and the models of kinematics, dynamics and linear motor servo are analyzed then. currently the dynamics model is complex or established mechanically, which restricts the study of control theories. thus this dissertation present a simple and easy - realized control idea, namely, the fore and torque of every leg determined by the inverse - solution of mechanics are regarded as changeable load force ( disturbance ) applied in motor, the elongation of the leg or displacement of sliding is regarded as the output of linear servo system
本文首先介紹了虛擬軸機床的發展概況、研究現狀和應用前景,然後對其運動學、動力學、直線伺服系統模型進行分析,針對目前動力學模型過于復雜或完全從機構學角度建立不便於控制的問題,提出了簡單、易於實現的控制思想,即將虛擬軸機床的動力學方程反解所確定的各桿受力(矩)視為電機的可變負載力,以桿長伸縮量或滑塊位移為伺服系統輸出,從此構成位置閉壞,實現軌跡跟蹤控制。Hold two handles with hands, put steel ball on starting line, move the game plate up and down with hands to make steel ball slide forward along with mogain full marks
兩只手抓住兩只把柄,將鋼珠放入起點線,利用雙手將游戲盤上下移動,使鋼珠順著移動路線向前滑行,直至到達終點,得滿分。With different clearance value, displacement curves and velocity curves of generalized coordinates as well as slider displacement error curves in a motion period are obtained. these curves are discussed. results show that if manufacturing cost is kept invariableness, in order to improve precision of mould - cuting, fitting precision of joint connecting the crank and coupler has priority to be considered to increase
採用四階rong - kuta法求解連續接觸模型的動力學方程,得到了一個運動周期內運動副間隙取不同值時,各廣義坐標的位移、速度曲線和滑塊位移誤差曲線,並通過曲線分析,得出了要提高模切機主切機構精度,在相同加工成本條件下,應優先考慮提高曲柄與連桿鉸接處的配合精度的結論。To provide the construction machine for the building with curved profile and to solve the problem of traveling cable movement during cage up and down running along the curve mast, this kind of hoist is equipped with a speacial mechanism to maintain the cage floor always horizontal and a special cable trolley
該種機型主要解決各類曲線型建築物施工的上下運輸問題。為克服曲線運行造成隨行電纜漂移難題,配有專用電纜滑車裝置,吊籠地板的自動調整裝置,可保證在任何運行段地板保持水平狀態。A separation in the boundary layer of fluid about a moving streamlined body, such as the wing of an airplane, causing a breakdown in the smooth flow of fluid and resulting in turbulence
氣流分離移動的流線型的軀體上流體邊界層上的分隔物,如飛機的機翼,在平滑的流體流動中會引起故障和湍流Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given
針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的一種計算模型,該計算模型可對土釘、面層、深層攪拌樁以及分層開挖等進行簡化模擬;編寫了簡單實用的桿系有限元程序;結合工程實測資料及有限元法分析的結果,探討了西安地區的土釘設計以及復合土釘墻的變形規律,得出了西安地區一般黃土在無地下水時的破壞滑動面形狀,復合土釘墻的側向變形曲線以及計算復合土釘墻最大水平位移的經驗公式。First, we can use a camera to take over the laser beam at one end, record the position of the light - spot, and calculate the centroid of the light - spot, then, move the laser on the guide rail. we should rectify the screw until the position of light - spot is unchangeable. then, the camera should be moved to the other end of the guide rail
先用攝像機在一端接收激光器發出的光斑,並記錄光斑的位置,求出其質心,然後在導軌上移動激光器,調節頂絲,直到攝像機上的光斑位置不動為止,然後將激光器移到導軌另一端,讓激光器在導軌上滑動,調節頂絲,直到攝像機上光斑位置不變,而且與前一次測試時的位置在誤差允許的范圍內,則認為激光器直線性校準完畢。In a word, the works of this paper is as follows : 1, about the stability analysis of bridge foundation, the variational kp method is researched. at the same time, an improved method that not only keeps the merits of the former method, but also improves the precision and extends the range is putted forward. at the basis of pointing out the phenomena of sloping surface moving when the loading, structural boundary or hydrology and geology conditions changes, the dynamic stability analysis to considering the moving of sloping surface is putted forwarded
本文主要在以下幾個方面開展研究工作: 1 、在大型橋梁地基基礎的穩定性分析方面,對非線性有限元求解方法?變k _ p法進行了研究,在保持原有方法優點的同時,提出了一種改進方法,可以提高該方法的求解精度與適用范圍;在指出最不利滑動面會在荷載、結構邊界、水文地質條件等發生變化時發生遷移現象的基礎上,提出了基於最不利滑移面遷移的穩定性動態分析方法。The results show that in the later stage of the nucleation process, the maximum slip velocity is monotonically accelerating ; the slipping hot spot ( where the slip rate is maximum ) migrates spontaneously from a certain instant, and such migration is spatially continuous ; when the maximum velocity reaches a detectable order of magnitude ( at least one order of magnitude greater than the loading rate ), the remaining time is 20 hours or more, and the temporal variation of slip velocity beyond this point may be used as a precursory indicator ; the average slip velocity is related to the remaining time by a log - log linear relation, which means that a similar relation between rate of microseismicity and remaining time may also exist ; when normal stress variation is taken into account, time scale of such processes can be extended by about 2 times
結果表明,在成核的後期階段:最大位移速率單調加速增加;滑動熱點(最大滑動速率處)在後期階段開始自發性遷移,且在空間上連續;當最大滑動速率達到可以明顯探測的量級時(高於載入速率一個數量級以上) ,倒計時間為20小時或更長一些,這時的速率變化可作為臨震預測標志;平均滑動速率與倒計時間的關系在臨震階段呈對數線性趨勢,由此可推測微震活動增長率與倒計時間同樣存在對數線性關系;正應力的變化對上述時間尺度有延長作用,使之大致增加到原數值的2倍。The solving of nonlinear fe, the searching of sloping surface and the designing of monitoring system are researched in detail, and the fruits of theory research are applied to analyze and monitor the stability of the foundation of jiangyin bridge
重點對非線性有限元的求解、最不利滑動面的遷移、監測系統的設計等方面進行了理論研究,並且將理論研究的成果應用於江陰長江公路大橋南岸山體及地基基礎的穩定性分析與監測。分享友人