靜反力 的英文怎麼說

中文拼音 [jìngfǎn]
靜反力 英文
static co traint reaction
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation

    經典的簡化法存在一定的局限性;應譜法為中、小跨橋梁的抗震設計提供了廣泛的應用,但對解決大跨度橋梁的線性與非線性問題存在明顯不足;時程分析法由於該領域的研究起步較晚,目前的理論和方法還不甚成熟,有待于進一步深入研究。
  2. When the design pressure of the reactor / regenerator is less than or equal to the design pressure of the main fractionator, or there is some absolute mechanical limit to the regenerator pressure ( plus the static head difference between the regenerator and reactor ) that is less than the main fractionator design pressure, the units do not need large relief valves on the main fractionator

    當所設計應器或交流熱換器的壓小於或等於主分餾器,又或者有些機械上無可避免的限制(還有就是兩電頭的不同)小於交流熱換器的壓,其時整個部件就不需要大的調劑電子管了。
  3. The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef, this may arouse opening of joints along the normal direction. if the altemate actions of earthquake join, the joints may behave gradual opening and closing

    由於地震作用時的動拉應將抵消並超過載作用下的壓應,導致橫縫面沿法向張開,加上地震的交變作用,橫縫可能會呈現復的「漸開漸合」現象。
  4. Abstract : it presents the law of “ the reverse is positive ” on how to evaluate the unknown force of statically determinate structure, the movement law of force vector for drawing the axial force diagram and shear diagram. and expounds the simple and convenient method of drawing the moment diagram according to the rubber band deformation, and the auxiliary teaching software corresponding to the above - mentioned methods. the methods are believed to save class hour and gain a better effect on teaching

    文摘:闡述了求定結構未知為正規律;繪制軸圖、剪圖的矢移動法則;按照橡皮筋變形繪彎矩圖的簡便作法以及與上述方法對應的計算機輔助教學軟體.相信這樣作,對教學可起到省課時、效果好的作用
  5. 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)通過木柱石礎摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦隨上部結構荷載變化的規律; (二)通過單柱承載試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、極限變形等參量; (三)通過柱架低周復荷載試驗,測定了柱架的抗側移剛度、柱架恢復特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載和極限變形、及榫卯減振參數; (四)通過斗?低周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?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (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。
  6. This third force, between mr ch vez and the opposition, holds out hope that venezuela can navigate a peaceful course towards the alternation of power

    這個處于查維斯先生和他的對者之間的第三種量,使得委內瑞拉能夠繼續在權交替中保持平變得可能。
  7. Howells, perhaps, lived too long for their own good; tranquil old age, however well-earned seemed not to accord with the vigor of their best work.

    也許,他和豪威爾斯都不該活那麼大的年紀,這倒對他們不利。平的晚年,雖說是分內應得,總比不上盛年筆雄健的作品。
  8. According to the pavement structure dynamical analyze theory, the principle and process of the pavement modulus back - calculation have been discussed. the appliance ideas of the dynamical modulus among the pavement evaluation, the dynamical characteristic and correlative dynamical parameters of the cement concrete pavement surface, basement and subsoil have been investigated, and the contrast relationships between dynamical and static modulus of the cement concrete pavement have been established, and the evaluation standard of the structure layers " dynamical modulus of the cement concrete pavement has also been presented

    根據路面結構動分析理論,對路面模量算的原理及實現過程進行論述,研討了動態模量在路面評價中的應用思想及水泥混凝土路面面層、基層、土基的動態特性和相關的動參數,建立了水泥混凝土路面動態模量與態模量的對比關系,提出了水泥混凝土路面各結構層動態模量的評價標準。
  9. And the results of the static stress were applied on the analysis of seismic reaction

    隨后把計算得到的狀西安理工大學工程碩士學位論文態用於地震應分析的初始應場中。
  10. In this paper, on the basis of the numerical analysis with the concept of equivalent soil mass with reinforcement and shake table model test, the calculation of high loess embankment with geogrid - reinforcement in highway is carried out under static loading, and the dynamic response of high reinforced sand - gravel embankment with grogrid - reinforcement in highway is tested under earthquake. the behaviors of loess embankment are indicated as the following : ? he stress and deformation varies with reinforcement design conditions and foundation types

    本文通過將土工合成材料與土體視為加筋等效土體的數值計算方法和振動臺模型試驗,以加筋黃土高路堤和豎直擋板加筋砂礫土高路堤為研究對象,計算分析了不同堤基上不同加筋設計條件下黃土高路堤的及變形變化規律,試驗研究了不同加筋條件下砂礫土高路堤的動應特性。
  11. Taking the earth - rock dams with straight clay core constructed on thick moraine cover foundation and directly built on bed - rocks with the same sizes and the same materials for example, two - dimensional dynamic fem programme is used to contrast and analyze the static stress distribution and dynamic response difference of two types of high earth - rock dams in the intensive earthquake zones

    摘要以相同尺度和相同材料的建造在深厚覆蓋層上直心墻土石壩和直接建設在基巖上的直心墻土石壩為例,採用二維動有限元程序對比和分析了強震區兩種高土石壩的分佈和動應的差異。
  12. 3d nonlinear finite element method, compatible displacement method of different mesh and response spectrum of mode - superposition are used to analyze the intake tower - intake slope static and dynamic interaction, since the complexity of geologic structure. the rational results provide a feasible way for the similar projects analysis in the future

    論文採用三維非線性有限元法、非一致網格位移協調解法、振型分解應譜法對復雜地質條件下的百色水電站進水口邊坡與進水塔的相互作用進行了、動分析,得出了一些合理的結論,為今後類似的工程計算分析提供了一種可行的方法。
  13. By application navier - stokes equations under the sphere coordinate, the calculation formula of the support load of the oil film of the ball joint coupling based on hydrostatic bearing. support property equation of this ball joint coupling was set up. at same time, the formula of the oil film stiffness was established

    運用球坐標系下的納維-斯拖克斯方程組推導出壓支承球鉸副油膜支承的求解公式,給出了壓支承球鉸副油膜支承特性方程,得出了壓支承球鉸副油膜剛度計算公式; 4
  14. In chapter 2, the mechanical bracket supporting system physical model is establish, and flexibility and reversed force are calculated, simultaneity, some technique needs are brought forward

    第二章對原機械托輥支承機構進行了物理建模及靜反力和撓度分析,對后續設計工作提出了一些技術要求。
  15. In the electrostatic force closed - loop plan, using the inertia mass of saw accelerometer as one board of the differential capacity, as it got the electrostatic force producer

    平衡方案中,直接利用saw加速度計慣性質量作為差動式電容的一個極板,組成發生器,並利用脈寬調制方案解決了發生器非線性的難題。
  16. The comparison of calculation result with experimental data indicates that good agreement is achieved which implies that the model can be used to explain the rate - dependent properties of concrete in multi - axial stress state

    結果表明,本文提出的模型能較好地映圍壓荷載下混凝土的特性和破壞機理。
  17. But that of supper quiet fixed structure can not be computed only with quiet equilibrium condition, it must be considered the flexible deformed coordinative condition of structure in same time

    定結構的支座和各截面的內不能完全出平衡條件叩。地確定,必須考慮結構的彈性變形協調條件確定之。
  18. This article solves some theoretical problems of electrostatic suspension based on optoelectronic feedback control. the mechanism of electrostatic induction of conductive suspended objects ( cso ) and electrostatic polarization of insulting suspended objects ( iso ) was theoretical discussed. the equations of charge density on the surface of suspended object caused by electrostatic field were developed. we further provided the equations describing the quantitative relationship of electrostatic forces verses the electrode voltages, the electrode area, the suspending gap, and the electric characteristic of suspended object. these equations show that the inducted surface charge density of cso is greater than the polarized surface charge density of iso, as a result, the electrostatic force acting on cso is larger than that acting on iso, as already proved by the experimental results of measured electrostatic forces. this work provided the theoretical equations and the mathematical models for effectively realizing the optoelectronic feedback control of electrostatic suspension

    本文主要討論光電饋式電懸浮的理論問題.研究在電場作用下導電懸浮體的電感應機制和絕緣懸浮體的電極化機理,推導出懸浮體表面的感應電荷或極化電荷的計算公式,以及作用於懸浮體上的電懸浮的計算公式,在理論上揭示了與電極電壓、電極面積、懸浮間距及懸浮體電學特性等因素之間的關系.結果表明,導電懸浮體表面的感應電荷量比絕緣懸浮體表面的極化電荷量多,因此前者所受的電懸浮比後者大,但兩者均可實現電懸浮,這些結論與實驗結果完全符合.本文工作為實現電懸浮的光電饋控制提供了理論依據
  19. Traditional load test is generally accepted as a most directly and reliable method for determining the bearing capacity of piles. because the method need special reaction system, it will take more time and money and require high condition for test field. so it cannot be done randomly and widely, and cannot be done under hardly conditions

    傳統載試驗是公認的確定單樁承載最直觀、最可靠的方法,但由於必需專門的系統,試驗費時、費、費用高昂且對試驗場地有著極高的要求,也因此不可能做到隨機抽檢及大量普查;特別是在某些惡劣的條件下,由於空間的限制甚至不可能進行載試驗。
  20. 5, such results as the list of the reaction force, deformation figure of the truss the contour of the nodes displacement, the contour of the element stress, and the contour of the node stress, are attained under the static force, the analysis of the finite element show that the maximum stress reaches the value of 285mpa, and then the frame body has the larger stress concentration in this position, if the welding around is not adopted

    通過ansys5 . 5軟體有限元分析,得出了各支座和節點應列表,以及桁架在作用下的變形圖、節點位移等值線圖、單元應等值線圖、節點應等值線圖。有限元分析計算表明,在不採用周邊焊的情況下最大應可達285mpa ,具有較大的應集中。
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