曲率力 的英文怎麼說

中文拼音 []
曲率力 英文
curvature force
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 率名詞(比值) rate; ratio; proportion
  • : 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 paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷面能否正確嚙合的依據如兩類界限線方程以及誘導主等進行推導,並給出算例。
  2. Einstein theory of relativity told us that mass and energy determine the geometry of spacetime and any curvature of this spacetime shows itself as the gravitational force

    愛因斯坦的相對論提出,質量和能量決定時空的幾何形狀,而時空的彎則以引的形式表達出來。
  3. Concave reflecting surfaces of spherical cap, paraboloid and hyperboloid of revolution are investigated with regard to the dependence of the levitation force on the section radius rb and curvature radius r ( or depth d ) of the reflector

    針對球面、旋轉拋物面和旋轉雙面三種形狀的凹面反射端,系統研究了懸浮與反射端截面半徑r _ b和半徑r (或深度d )之間的本徵關系。
  4. The paper also does some deep research on the mesh characteristic of the mechanism, analyses the cause o f the cam profile error and index error during working, using object - oriented method, vc + + and pro / toolkit, performs second development to pro / engineer, completes entity proplasm of the cam mechanism using only few parameters, the press angle calculate module, error analysis module and curvature calculate module are built on the basis of it

    然後通過對弧面分度凸輪加工中產生廓面誤差及工作時產生分度誤差原因的分析,建立了計算加工和分度誤差的數學模型。應用vc + +和pro toolkit對pro engineer進行二次開發,建立了弧面分度凸輪機構的參數化設計和三維造型及壓角、誘導主等運動特性和誤差分析軟體系統。
  5. Control the radius and position and improvement the status of inosculate and stress

    控制套圈的滾道和位置,改善接觸面的應狀態
  6. The load displacement curves and the ultimate strength of each member are presented. effects of beam length, radius of curvature and flexural - torsional rigidity on ultimate are considered

    通過試驗研究,給出每個構件的荷載位移線和極限承載,得到了梁承載隨跨長、半徑以及截面尺寸的變化規律。
  7. Analysis of measuring corneal refractive power by corneal topographer compared with by keratometer

    角膜地形圖儀和角膜計測量角膜屈光的差異分析
  8. It is determined that with accurate knowledge of the complete stress - strain curve of concrete in compression, steel in tension, and with an iterative computerized non ? linear method, it is possible to predict the entire moment - curvature, moment - flexural rigidity and axial rigidity relation ship of a cross - section of a structure member

    可以確定,只要知道混凝土受壓和鋼筋受拉的完整的應應變關系,採用選代的非線性計算方法,就有可能預測結構截面彎矩一、彎矩一彎剛度和軸向剛度的關系。
  9. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明,不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面的不同而有不同的規律,而主流雷諾數對葉片表面特別是壓面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。
  10. In accordance with the main contradictions between high deterioration degree of coal and low permeability of coal bed, this paper predicts high permeability region by use of new technique and methods including stress field, curvature analysis and major stress difference analysis

    針對沁水盆地煤變質程度高、煤層滲透普遍較低的主要矛盾,利用新技術、新方法,利用應場、分析方法和主應差分析方法預測高滲區。
  11. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量,以及多種組合情況下譜儀的解析度線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  12. With curvature - force method, this thesis designs the program for nonlinear analysis and simulates the test

    然後本文利用曲率力法編制的非線性分析程序,模擬了預應框架試驗。
  13. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸學理論,提出了可在牙輪鉆頭滑動軸承中採用變結構.在不考慮摩擦的情況下,就結構設計和配合關系等問題進行了分析討論,劃分了準變、吻合變以及間隙變等3種結構形式;針對考慮摩擦時的變結構,提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明,無論是預設計變還是預磨合變,都能改善軸承摩擦副的摩擦學特性,因而值得進一步研究和推廣
  14. The following results are obtained : ( 1 ) the flow in rotating helical pipes are affected by dean number, curvature, torsion ( or germano number ), the ratio of the coriolis force to the centrifugal force f number ( or rossby number ) and the geometry of the cross section

    研究結果表明: ( 1 )旋轉螺旋管道流動特性受dean數、、撓(或germano數) 、科氏與離心之比f數(或rossby數)以及截面的形狀五種因素的影響。
  15. According to hysteretic properties under low - cyclic loading and some other suggestions, the moment - curvature restoring force computation model of unbonded partially prestressed concrete section, which considering the ppr, is given

    此外由於施加了預應,使得該結構具有良好的恢復特性。本文還根據試驗結果和相關參考文獻提出了考慮不同預應度的預應扁梁截面彎矩?恢復計算模型。
  16. Secondly, the finite element analysis of composite materials interlaminar stresses is researched in this paper. the interlaminar stresses slightly influenced by the composite materials ' lamella curvature, but not influenced by the distributing form of interlaminar stresses follow thickness are found

    本文在研究復合材料層間應的有限元分析時,發現復合材料層合殼對層間應大小有一定影響,但對層間應沿厚度的分佈形式影響不大。
  17. The maximal load - carrying capability of the arch support is calculated by adopting mechanical model of curved beam based on its force analysis, and relationship between bearing capacity coefficient of small curvature arch support and radius and span of curved beam is gained based on supporting capacity comparison of curved beam and straight beam

    採用梁模型進行了支架系統的受分析,得到其最大承載能;通過與直梁支架承載能相比較,得到了小拱型支架承載能系數與梁跨度和半徑的影響關系。
  18. This paper observe various of curvature ratio at asymmetrical rolling that mismatch rolling diameter with different specimens thickness, mismatch peripheral speed, reduction, lubrication, and discuss rolling force, rolling torque with rolling speed and reduction

    本文主要觀察板材于異徑壓延後彎之變化情形,探討與不同初始板厚、周速比、縮減及潤滑之關系,並討論壓延、壓延扭矩與周速比及縮減之關系。
  19. The study showed that the effect of surface tension induced by the nanosize curvature of critical nuclei could drive metastable phase region of diamond nucleation in carbon diagram into stable phase region, consequently, for both of homogenous and heterogeneous nucleation processes, diamond nucleation would be prior to graphite nucleation in competing growth of diamond and graphite upon chemical vapor deposition ( cvd )

    研究表明,建立在碳的平衡相圖基礎上,在納米尺寸的金剛石臨界核的誘導下的表面張效應將金剛石成核的亞穩相區推進到穩定相區,因此無論對于金剛石的均勻氣相成核還是異質成核,在金剛石和石墨的競爭生長中,金剛石成核均優先於石墨成核。
  20. The method, based on the finite element theory, force - method theory, increment method and middle stiffness method, making use of the increment of curvature of the section, works out the increment of load applying and is proved in this thesis

    接著,本文根據有限單元和法原理、增量法及中點剛度理論,提出了本文暫且命名為曲率力法的非線性分析方法。該方法通過增加截面的來反求框架外加荷載的增量,並在文中以試驗的框架模型為例,給出了整個推導過程。
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