摩擦接點 的英文怎麼說

中文拼音 [mócājiēdiǎn]
摩擦接點 英文
rubbing contact
  • 摩 : 摩構詞成分。
  • 擦 : 動詞1 （摩擦） rub 2 （用布、 手巾等摩擦使干凈; 揩拭; 抹） wipe; scrub; clean 3 （塗抹; 搽） spre...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 摩擦 : 1 （互相接觸的兩物體作來回相對運動） rub; chafe 2 [物理學] （相互接觸的兩物體在接觸面上發生阻礙相...
  • 接點 : （接觸點; 連接點） contact; closing; junction; connection point; terminal pad接點電阻 contact resistance
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect

    並且對行波型超聲波電動機的減摩現象進行了研究，發現在接觸區定子表面上一點的水平振動產生摩擦驅動力，垂直振動只起影響水平驅動效果的作用，得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。
  3. Foundation in to the steel wire race ball bearing contact theoretical analysis computation, and the steel wire race ball bearing main friction form analysis, gave the bearing several kind of main friction to have the form in the work process, and gave the corresponding theoretical calculation formula

    在對鋼絲滾道球軸承點接觸理論分析計算的基礎上，進行了對鋼絲滾道球軸承的主要摩擦形式分析，給出了軸承在工作過程中幾種主要的摩擦產生形式，並給出相應的理論計算公式。
  4. 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。
  5. 5. numerous simulations are done with different initial docking misalignment by adams software and ddss : ( 1 ) influence of the contact columbus friction to simulation results is inspected ; ( 2 ) adams results are compared with that of ddss, both the results validate each other ; ( 3 ) simulation results show good capture ability of

    5 .對各種對接初始偏差，分別用adams與ddss進行了大量的模擬研究: （ 1 ）考察了接觸點處庫侖摩擦力對模擬結果的影響; （ 2 ） adams與ddss對比分析結果相互驗證了模型及演算法的正確性。
  6. The observed friction force is the force required to break these tiny welds.

    我們觀察到的摩擦力，就是破壞這些細微的焊接點所需要的力。
  7. Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad

    然後，本文在考慮材料、幾何和狀態三重非線性的基礎上，對該連接形式進行了全面的計算機模擬，主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接焊接腹板拼接的連接節點的對比，各種設計方法之間的對比，以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量，拼接點與梁端之間的距離，梁和柱的翼緣、腹板厚度，柱的軸力，接觸面的摩擦系數，翼緣和腹板拼接板的厚度等因素的影響。
  8. 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。
  9. The characteristics and shortcomings of high temperature sliding wear testing machine for roll materials in china and a broad were analyzed in this paper

    摘要文章分析了國內外軋輥材料高溫摩擦磨損試驗機的特點及其存在的不足，在此基礎上，研製開發了一臺材料高溫滑動磨損與熱接觸疲勞試驗機，並進行了初步的實驗。
  10. Friction stir welding process can improve mechanical properties as well as decrease distortion and residual stress

    採用攪拌摩擦焊連接鎂合金可以避免熔焊時產生的焊接缺陷，且具有焊后變形小、殘余應力小等優點。
  11. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討，從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結；應用輪軌系統動力學，建立了輪軌空間耦合振動時變模型，採用vogel側磨指數作為鋼軌側磨指標，系統分析了輪軌參數變化的情況下，軌頭側面磨耗的變化規律，重點分析了軌道不平順對鋼軌不均勻側磨的影響；對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析，通過擬合得到了鋼軌側磨量與運量的關系曲線，並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律；最後提出了一些減緩曲線鋼軌側面磨耗的措施。
  12. Abstract : the paper introduced one new welding technology - friction stir welding ( fsw ) that was invented by the cambridge welding research institute in britain with process characteristic, production application & amp; effect

    文摘:從工藝特點、生產應用及效果等方面，介紹由英國劍橋焊接研究所發明的焊接新工藝? ?摩擦攪拌焊（ fsw ） 。
  13. Friction stir welding ( fsw ) is a solid - phase welding operated under the melting point of workpiece materials ; it ' s a technology which uses an anti - friction tool to join the sheet or shaped materials in rotary circs, and can be used in the welding of aluminum, magnesium and copper and has good welding quality

    摘要摩擦攪拌焊（ fsw ）是在低於工件材料熔點情況下操作的固相焊接，是在旋轉情況下通過一種耐磨工具將板材或型材材料連接的工藝，可用於鋁、鎂、銅等的焊接，焊接質量優良。
  14. It has been derived the design equation, the engaging condition and the formula of overriding friction torque. this has laid an important theoretical foundation for further reliability optimum design. then we can make the clutch have small size, light weight, less friction, flexibility of overrunning in opposite direction and smooth joint at high speed

    本文吸收了機械操縱式超越彈簧離合器的優點，在結構上進行了新的設計，在理論研究上進行了新的探索，推導出了設計方程、自激接合條件和超越摩擦力矩計算式，為進一步採用可靠性優化設計奠定了重要的理論基礎，使設計的離合器尺寸小、重量輕、摩擦損失小，反向超越靈活，在高速下接合平穩，並通過實驗驗證，說明其理論分析是正確的。
  15. Influence of simulation parameters on simulation precision of the springback, such as elements type, material types, constitutive equations, integral point selections, contact conditions, friction rules, and like that, has been analyzed

    摘要分析總結了數值模擬中模擬參數（有限無演算法、單元類型、材料模型、本構方程、積分點選取、接觸和摩擦法則等）對回彈模擬精度的影響。
  16. 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。
  17. The bearing spot contact and the friction carries on after the analysis, has carried on the simulation to the bearing work process, from simply established sigin ball two race model to the complex distinction the roller conveyer, the single ball four roller conveyers and the circular roller conveyer single ball four roller conveyer steel wire roller conveyer ball bearing finite element models, introduced the modelling method in detail, the restraint and the load infliction method

    在點接觸和摩擦分析的基礎上，對軸承的工作過程進行了模擬，按由簡單到復雜的研究步驟，分別建立起了單球雙滾道，單球四滾道和圓環形滾道單球四滾道的鋼絲滾道球軸承有限元模型，解決了建模模擬過程中實體模型的建立，約束和載荷的施加等一系列問題。
  18. A reciprocating compressor using labyrinth seal ( labyrinth piston compressor, lpc ) can compress and transport gases in an oil - free way. it has many advantages, such as non - lubricated maintenance, no friction loss, no hot spots, minimal wear and tear, and so on

    採用迷宮密封的往復式壓縮機可以完成潔凈氣體的壓縮和輸送，具有壓縮過程無潤滑、無接觸摩擦、氣體無污染、安全可靠等優點。
  19. Based on the analysis, we gave an example to study the dynamic contact with friction of the intermittent joint, and got some essential rules : the friction coefficient could n ' t influence the distributing of dynamic stress on the contact surface, and the roading rates affected evidently on the dynamic characteristic on the contact surface. in the last part, this paper made respectively use of the time - history method and the response spectrum method to analyze the dynamic response of the rock slope on baise hydraulic power plant, and got the coincident resultant. simultaneously, the contact theory was applied to study the stability of the intermittent joints

    基於上述的接觸理論和接觸分析結果，本文在最後一部分中分別利用動力時程法和反應譜法對百色水電站尾水渠的巖質邊坡進行動力響應分析，兩者計算方法得出比較一致的結果，同時採用動力摩擦接觸理論重點分析了斷層對于邊坡的穩定影響，認為斷層的存在會使得巖坡的穩定性降低，在地震等動力荷載的作用下對于斷層將發生張開、閉合和錯動現象，尤其是動力荷載和其他荷載如滲流力等的耦合作用將會對斷層產生極為不利的後果，進而影響巖坡的整體動力穩定，應該要引起足夠的重視。
  20. This paper summarized the characteristic and localizations of the special contact elements that can simulate the joints in rockmass. except for those, three kinds of numerical methods for dynamic contact analysis were introduced. then, the augment lagrangian method that combined lagrangian multiplier and penalty function was applied to the dynamic contact analysis with friction

    本文闡述了模擬巖體裂隙節理的特殊接觸面單元，分析其特點和局限性；介紹了三種處理動力接觸問題的數值演算法，利用lagrange乘子法和罰函數法聯合的增廣lagrange乘子法建立起裂隙節理的動力摩擦接觸條件和本構方程以及有限元基本方程，並運用此數值方法分析一具有貫通節理面的動力摩擦接觸問題，得出一些基本規律。
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