自重力矩 的英文怎麼說

中文拼音 [zhòng]
自重力矩 英文
dead load moment
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 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...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • 自重 : 1 (注意自己的言行) conduct oneself with dignity; be self possessed; be self dignified2 (本身的...
  1. The experiment can obtain the driver and the torsion of the screw propeller of relative speed and is an important method to analyze the efficient part of push

    船模航試驗可獲得對應航速螺旋槳推和轉,是分析各種推進效率成分的要手段。
  2. This paper related to a practical project that a high school is big bay building with teaching, experiment and studying, aim at the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), and the building loading much ( the building " self - weight is over the 9. 0 kn / m2 ). compared to r. c. rectangle columns, studying the aseismic performance of the r. c. special - shaped columns pure frame structure, the r. c. special - shaped columns frame - truss structure and the r. c. special - shaped columns frame - shear wall structure

    本文,結合某中學大開間教學實驗綜合樓的具體工程,就抗震設防烈度較高地區( 8度)和抗震不利的建築場地(類場地) ,並且建築物所受荷載較大的情況(建築物超過9 . 0kn m ~ 2 ) ,通過與形柱分析比較的方式,研究了異型柱純框架結構、異型柱框架-桁架結構,以及異型柱框架-剪墻結構的抗震性能。
  3. Sakashita, m., kono, s., tanaka, h., and watanabe, f., " lateral force resistance mechanism of a multi - story shear wall and peripheral members, " proceedings of the 7th japan - taiwan - korea joint seminar on earthquake engineering for building structures ( seebus 2005 ), seoul, korea, pp. 11 - 20 ( 2005 )

    方一匡,張簡建良,林廷駿, 「充填混凝土梁在彎,剪及扭組合載之承行為」 ,高性能混凝土在結構工程應用之研討會論文集,臺南,第211 - 246頁( 2005 )
  4. 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、激接合條件和超越摩擦計算式,為進一步採用可靠性優化設計奠定了要的理論基礎,使設計的離合器尺寸小、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。
  5. This product family includes synchros, resolvers, tachogenerators, servo motors and torque motors, etc. these small, lightweight and high precision motors are mainly used in automatic control systems

    整角機、旋轉變壓器、測速電機、伺服電機、電機等。具有體積小、量輕、精度高等特點,主要用於各種動控制系統中。
  6. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗升溫時採用靜止土壓加彈性土抗,降溫時採用主動土壓;分析橋梁受性能時考慮了結構、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加載對比分析,研究半整體式橋臺無縫橋梁獨特的受特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪、彎、撓度和下部結構的軸與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了軸,下部結構剪、彎較梁式橋大;綜合分析是一種受合理有實踐和推廣價值的橋型。
  7. In the motion, the direction of angular momentum vector changes every moment, because there is a torque caused by gravity act on the wheel, then the wheel rotate itself and rotate around the fixed point

    車輪進動實驗:在進動中,角動量的矢量方向不斷改變,是因為受到一個由產生的,使車輪在轉的同時又繞支點轉動。
  8. We are also the sole agent of some european swiss, german, brisitsh and italian etc. well - known manufaturers, providing products such as robotics, linear motion units, positioning system, servo - control system and gearbox units etc. the machine tool dedicated dual - drive units, planetary gearboxes, worm gear units are featured with high input speed, compact size, light weight, different ratio options and high output torque

    不但具有設計開發研製集成動化控制系統計量測試控制系統的技術能同時獨家代理瑞士德國英國義大利等歐洲知名品牌的機器人及直線運動單元定位系統伺服控制系統減速單元等機電產品。其中機床專用雙驅消隙減速機行星減速機,蝸輪蝸桿減速機等產品,有著高輸入轉速,體積小,量輕,多種可選減速比,輸出大等特點,已在全球眾多廠家成功應用。
  9. Theoretical and experiment researches of transmission mechanism and control strategy of the cvt have been carried out under the project ( 59835160 ) financed by national natural science foundation which includes follow content : 1 ) the kinematic relation of the metal pushing v - belt type transmission is analyzed. the relation among oil pressure of pulley cylinder, transmission ratio and input torque under load condition is studied. optimal design method for metal pushing v - belt type continuously variable transmission is put forward

    本文在國家然科學基金點項目(資助號: 59835160 )資助下,對金屬帶式無級變速傳動系統的傳動機理、匹配及控制策略等進行了系統深入的理論分析和實驗研究,具體研究內容如下: 1 )系統地分析了金屬帶無級變速傳動的基本運動規律,研究了在負載狀態下,帶輪油缸壓與速比和輸入轉的關系,提出了對金屬帶式無級變速傳動系統進行優化設計的方法。
  10. And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure

    明確了葵花型索穹頂結構形態分析的具體內容;闡述了用平衡陣理論和簡化演算法求解索穹頂結構初始預應的過程,指出葵花型索穹頂結構的模態s 0且機構位移模態m = 0 ,相當于結構學中的超靜定結構,同時它也是幾何穩定的結構;提出了考慮結構時葵花型索穹頂結構初始預應的求解方法,這種方法求得的初始預應更加準確。
  11. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應」 、 「樓層地震剪」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內」 。結果表明:在等面積原則下,異型柱代換形柱后,結構剛度增大,側向位移明顯減小,地震反應略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構,降低地震作用;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  12. Combining the design of portal crane luffing mechanism, this paper set up the math model independently and synthetically of the single boom system with compensating pulley and level - balancing weight. use genetic algorithms to optimize the model, the calculated results show as follows the genetic algorithms is effective and manipulable, the synthetically optimize is best than independently optimize. the optimization program of luffing mechanism was build, and this will be a useful tool in the design of crane

    結合門座起機變幅機構的設計,建立了導向滑輪補償系統和杠桿? ?活對臂架平衡系統獨立模型和綜合模型的未平衡最小的優化問題,結合遺傳演算法對它進行了優化,結果證實了該演算法的有效性和可行性,表明了綜合優化比獨立優化更能提高優化的準確性。
  13. The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard

    利用波包分析量子學體系的動學行為在研究經典和量子的對應關系方面越來越成為一個非常要的方法.利用高斯波包分析方法,我們計算了形彈子球體系的關聯函數,關聯函數的峰和經典周期軌道的周期符合的很好,這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了形彈子球的波包回歸和波包的部分回歸,計算結果表明在每一個回歸時間,波包出現精確的回歸.對于動量為零的波包,初始位置在彈子球內部的特殊對稱點處,出現一些時間比較短的附加的回歸
  14. Abstract : this paper introduces experimental method of friction torgue forthe expanding self - energizing overrunning spring clutch, the experimental results have important guided significance for the design and applications of this kind of clutch

    文摘:介紹新型擴張式激超越彈簧離合器超越時摩擦的實驗方法,其實驗結果對該種離合器的設計與應用具有要的指導意義。
  15. However, some of face recognition problems still require further development, this is the case for problems of recognition face images conveying changes in illumination, facial expression and changes due to the time delay between the acquistion of the reference and tested face images. our main work is to analysis methods of extraction face features and contraction of classifier. the work presented in this paper is to apply self - organizing feature map and minor component to extraction features from multi - view face images, then combine those features as a new combined feature set, in order to reduce redundancy data, we apply clone algorithms to reduce data through rotation in input space

    我們改進了一種基於理論的識別方法,給出了計算公式和證明過程,可用於解決小規模人臉識別問題;我們將智能方法應用到人臉識別中,分別利用組織特徵映射和次分量方法抽取人臉的整體特徵和局部特徵,依據特徵融合理論,新組合為新的復合特徵,為壓縮特徵數據,我們首次引入克隆選擇演算法動進行特徵優化選擇,最後,利用支持矢量機構造多分類器進行分類識別,在不同規模人臉識別庫上模擬結果表明,該系統適應能強,分類識別精度高,適用於大規模復雜人臉識別問題。
  16. Spacecrafts are working in the space environment, which is full of sorts of physical mediums. and these mediums will impact on the altitude movement of spacecraft. spacecraft attitude control during propulsive maneuvers is complicated due to several factors as listed below : ( i ) nonlinear dynamics with time delays, ( ii ) modeling and parameter uncertainties, ( iii ) flexible modes due to fuel sloshing and appendages, ( vi ) constraints on propulsive force and torque inputs, ( v ) constraints on acceptable angular rates and attitude, ( iv ) autonomous reconfiguration requirements under failure conditions

    飛行器是在一定的空間環境中飛行,而空間環境中充滿著各種物理介質,對飛行器的姿態運動產生不同程度的影響,所以空間飛行器的姿態控制相當復雜,它受到如下因素的制約: ( ? )帶時延的非線性動態特性( ? )模型和參數的不確定性( ? )燃料的激蕩性以及燃料消耗所引起飛行器的質量變化( ? )推和輸入的約束性( ? )額定角速度約束和姿態約束( ? )在故障發生的情況下新配置的必要性。
  17. The matrix extension problem and constrained matrix equation problem have been widely used in structural design, structural dynamics, biology, electricity, molecular spectroscopy, control theory, vibration theory, nonlinear program, dynamic analysis and so on

    陣擴充問題和約束陣方程問題在結構設計、結構動學、生物學、電學、分子光譜學、動控制理論、振動理論、非線性規劃、動態分析等許多領域都具有要應用。
  18. To estimate of ultimate bearing capacity from the cohesion and unit weight of soil and embedded depth ( overburden ), the kinematical approach of limit analysis based on the three - dimensional mechanism was used

    文中利用極限分析中的機動法,構建了一個臨近基坑形淺基礎的三維機動許可破壞模式,按照地基承載的傳統表達方式,分別給出了單獨考慮土的粘聚、基礎埋深(超載)和土的影響的承載系數。
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