法向力系數 的英文怎麼說

中文拼音 [xiàngshǔ]
法向力系數 英文
normal force coefficient
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑基函神經網路( rbfn )的雙隱層混合網路( mdhrbfn )模型,解決了標準神經網路在具體sar圖像地物分類中分類類別目不夠和分類精度差的問題;提出了基於模糊推理統的自適應模糊rbfn分類( afrbfn )模型,兼顧通用性與精確性,增強人機交互能,進一步提高了演算分類率。
  2. The paper presents a distribution analysis software platform which is developed combining computer graphical theory and oop ( object - oriented programming ). the platform includes three modules, the graphics module, the database module and the computation module. the graphical module can draw the key diagram of power system ; the database module can save, browse and edit the data of power systems ; the computation module can compute the power flow

    本文運用面對象的程序設計方結合計算機圖形學的知識,開發了一套可視化配電網分析軟體平臺,它包括用於繪制電統結線圖的圖形模塊、用於保存、瀏覽、修改電網據信息的據庫模塊和進行配電網潮流計算的計算模塊。
  3. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force.

    滑動接觸時,動摩擦Uk的定義是摩擦的比率。
  4. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force

    滑動接觸時,動摩擦uk的定義是摩擦的比率。
  5. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜風荷載和動風荷載作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振等相應方來加以體現。
  6. Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge

    主要產品包括:字壓表,字膜盒壓表,字溫度表,字壓變送器,字溫度變送器,字液位計,字防爆電接點壓表,一般用壓表真空表壓真空表氧氣表電接點壓表防爆電接點壓表耐震電接點氨用電接點磁助式電接點壓表耐震耐高溫耐酸耐堿耐氯耐硫全不銹鋼壓表隔膜壓表沈陽市優質產品精密壓表出風壓表膜盒壓表膜片壓表全不銹鋼膜片壓表鈦壓表及出口全不銹鋼,充油全不銹鋼列壓表,壓差表,壓變送器,各種軸帶邊蘭連接等多種形式。
  7. The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated

    本文應用有限元分析商業軟體ansys6 . 0 ,採用線彈性方,通過對該橋的空間有限元模型進行穩定性分析,得出其成橋運營階段各種工況下的穩定安全。在此基礎上,本文還通過有限元模型分析,就拱的矢跨比、吊桿(立柱)的非保效應、橋面的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全,指出了對鋼管混凝土提籃拱橫穩定性有顯著影響的因素及其合理變化范圍,並對銅瓦門大橋提高橫穩定性的措施的經濟合理性進行了分析。
  8. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區轉移可以得到棒狀的超細晶材料,軸、扭轉速度和溫度是採用該方制備超細晶材料的主控參;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹在550左右發生明顯的變化。
  9. Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach

    保留語義約束的xml與rdb雙靜態據轉換技術現有研究大多採用dtd ( documenttypedefinition ,文檔類型定義)作為xml的模式描述語言,並且在模式映射過程中丟失語義約束信息,本文分析了xml - schema ( xml - schema採用與dtd完全不同的語據描述能更強同時也更為復雜,已被w3c確定為替代dtd作為xml模式描述語言的標準)及關模式的語義約束特徵,通過基於正則樹的xml形式化描述方以及基於有圖的一般關模式表示方的研究,建立保留語義約束的xml - schema與關模式的雙模式映射演算,實現了xml與rdb的雙據轉換,較好地解決了xml與rdb在靜態據轉換層面的據集成問題,可有效滿足企業大量rdb據面xml的發布以及與日俱增的xml據存入rdb的應用需求。
  10. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方、上45度方及軸進行錘擊,根據錘擊原理求得各個轉速下軸承徑部分內、外膜總阻尼以及推部分內、外膜總阻尼
  11. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣及塔頂抖振響應的位移均方根,採用線性疊加及有限元反演,給出設計風速下塔底控制截面的順風靜風及抖振內
  12. The forces acting on a sliding hoot, the key element of swash - plate axial piston pump. are analyzed and the formulas computing squeezing and repelling forces are derived ; the redundant squeezing force method is presented, including the selection of parts materials, squeezing force factor and the determination of geometric parameters of a sliding hoot

    摘要分析了斜盤式軸柱塞泵的關鍵摩擦副零件滑靴的受,導出了壓緊和分離的計算公式;介紹了滑靴設計方中的剩餘壓緊,包括零件材料、壓緊的選擇以及滑靴關鍵幾何參的確定。
  13. It is to use finite element method to calculate the stress within the slope in this paper, and get the normal stress and tangent stress of the slope sliding surface directly, and then calculate the stability coefficient of the slope

    本文研究內容是應用有限元計算斜坡內部的應,並直接求解邊坡滑動面上的和切,進一步計算邊坡的穩定
  14. Abstract : three - dimension wheel - rail contact geometry is taken into account in studying the vibration between bridge and vehicle. the iteration method of wheel - rail creep force is proposed to improve the existed calculating method

    文摘:對車橋耦合振動研究中輪軌關的線性方進行了改進,提出考慮三維非線性輪軌接觸幾何,採用迭代求解和蠕滑
  15. The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly. the formation and changes are analyzed including magnus force, normal force, yawing moment, pitching moment and pressure center

    統分析了旋轉側噴彈丸復雜的空氣動學特性,分析了馬格努斯法向力系數、偏航、俯仰和壓中心等參的產生機理和變化規律。
  16. With the sample of longitudinal motion equation, calculating hydrodynamic coefficients by the potential fluid theory is introduced

    並以其縱運動方程為例,詳細介紹了用勢流理論求解水動的方
  17. With the support of methodology and approaches pertaining to medicine, psychology and physiology, this research explores the correlation among speed, roadway alignment, environment and physiological and psychological element of driving behaviors on the basis of abundant data obtained from field study, which lays the foundation for further analysis of what represents a comfortable and safe situation and for the calibration of threshold value of coefficient of transverse force

    本研究應用醫學和心、生理學方面的理論方和研究手段,通過大量的行車試驗,尋找汽車行車速度、道路線形、道路環境與駕駛員行車心、生理需求的內在關和規律。以此為基礎,研究在山區雙車道公路上行車,緊張與不緊張,安全與不安全的條件,研究橫等的極限值。
  18. By means of the theoretical analysis of the micromachined vibratory rate gyroscope, we get following conclusions : the microgyroscope can be driven by tangent electrostatic force produced by fence structure electrodes, and the normal electrostatic force can be neglected for the influence of the device property ; the parasitical capacitance and fringing effect can ’ t be neglected for the calculating of the detection capacitance ; the coefficient of damping force is comparatively little when the air damping in the driving mode and the sensing mode of the device is the couette flow damping

    主要內容如下: 1 .分析了微機械陀螺的運動特性、靜電驅動特性和在大氣下的阻尼特性,分析結果表明,可以運用切靜電驅動質量塊振動,靜電對器件特性的影響可以忽略;在計算微結構電容時,電容的邊緣效應和寄生電容不可忽略;在器件所受阻尼主要為庫埃特流阻尼的情況下,阻尼較小。
  19. By use of grid - shaping skill and multi - grid solver, the flow - induced vibration of the fluid - conveying pipe in water is studied. the vibration mechanism of the fluid - conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated. the results obtained are analyzed and compared to the experimental data referred to

    首先對水下輸液管道繞流渦激振動的機理進行了分析,然後,利用網格生成技術及多重網格求得了輸液管道在不同來流條件(雷諾)下的橫及縱,最後對計算結果進行了分析,並將其與已有的間接實驗結果進行了對比。
  20. Methods for measuring the skid resistance of pavement surfaces - side - way force coefficient routine investigation machine

    路面防滑性的測量方.側常規檢測機
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