肋矩 的英文怎麼說

中文拼音 [lèi]
肋矩 英文
timber and space
  • : 肋構詞成分。
  • : 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
  1. Then fourier transformation is employed to solve equations of motion of the rings, bulkheads, stringers and fluid respectively, with their reactions ( moments ) expanded by the shell ' s in - vacuo modes. by means of continuity conditions on the interfaces between the shell and the stiffeners as well as the fluid, and inverse fourier transformation, the modal reactions ( moments ) are finally expressed by the shell ' s modal velocities

    然後用fourier變換分別求解環、艙壁、縱骨和流場的運動方程,將它們對殼體的作用力(力)用殼體周向模態展開,利用它們與殼體在連接處位移連續條件以及fourier逆變換得到用殼體速度表示的模態相互作用力(力) 。
  2. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的形直通道、帶順排擾流片形直通道、帶叉排擾流片、帶傾斜擾流片的形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑形直通道、帶針通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  3. The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized

    它利用拱承擔壓力,系梁預應力束抵抗拱端推力,吊桿及縱橫橋面系結構承受橋面荷載,既克服了傳統拱橋巨大的拱端推力,又改善了連續梁橋較大的彎和剪力的受力狀況,最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點,經濟效益顯著。
  4. The company ' s main products include : ordinary - type, forward - and - backforward - thread typeandcalibre - changed type, three series and 50 - odd varieties of steel straight thread connecting sleeve piece and steel straight thread screw rolling machine, screw rolling wheel, cutting tool, reinforced thread head special gauge, moment spanner ect., auxiliary tools which are used in construction

    公司主要產品有標準型、正反絲型、變徑型三大系列五十多個品種的建築用鋼筋直螺紋連接套筒和鋼筋直螺紋(剝)滾絲機及滾絲輪、切削刀具、鋼筋絲頭專用量規、力扳手等輔具。
  5. Thus it is necessary to study moment resistance, rotation stiffness and rotation capacity of the joints. in this paper, six specimens on end - plate composite beam - to - column joints and two specimens on end - plate composite beam - to - column joints were designed to subject to static load. the factors of m - characteristics about semi - rigid composite joints, including bolts, profiled steel sheeting, beam, column, stiffen rib and reinforcement, are studied

    本文設計了6個端板型鋼-混凝土組合樑柱節點與2個端板型純鋼樑柱節點,通過對這些試件的靜力荷載試驗,重點研究了端板型鋼-混凝土組合節點的彎-轉角性能的影響因素,包括高強螺栓、壓型鋼板、型鋼梁、型鋼柱、加勁,以及混凝土板內縱向鋼筋配筋率等。
  6. On basis of the character of the structure at the stage of construction, the stress balanced method was developed to decided the forces of cables and the stresses of the arch rib sections, which is according to the normal stress controlling conditions on the top and bottom of arch rib section and considering the influence matrix

    針對這一受力特點,本文根據拱截面上、下緣應力平衡條件及影響陣的概念,發展了應力平衡法,用以確定拉索的合理索力,從而使拱助結構受力合理並具有理想的線形。
  7. The internal passage is rectangular cross - sectioned with two opposite ribbed walls, and the rib - turbulators are staggered arranged

    通道模型為上下壁面帶形橫截面通道,其中上下壁面的錯排布置。
  8. The vertical stiffener connection is suitable for rectangular steel tube column that the sectional area is smaller and h - steel beam connections

    摘要垂直加勁節點適于柱截面較小的方鋼管(形管)柱和h型鋼梁節點。
  9. Finite element analysis on flexural loading capacity of composite slim beam with deep deck in the hogging moment region

    負彎區深組合扁梁抗彎性能的有限元分析
  10. 2 based on experimental results and finite elements analysis of new joint, the stress transfer mechanism of the new joint is analyzed. there are two stress transfer patterns about the new joint, one is for rectangular steel tubular column joint, its stress transfer pattern is that beam moment is transferred to column webs mainly by stiffeners, the other is for crft column joint, its stress transfer pattern is that part of beam moment is transferred from stiffeners to column webs, another part of beam moment is transferred to infilled concrete by column flange

    (二)基於新型節點的試驗結果和有限元分析,研究了新型節點的傳力機理,其應力的傳遞路徑分為兩種:對于鋼管柱節點,梁端彎主要通過加勁板直接傳至柱腹板,對于鋼管混凝土柱節點,梁端彎一部分通過加勁傳給柱腹板,另一部分通過柱翼緣傳給鋼管內的混凝土。
  11. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱劃分為一系列的直梁單元,運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱直梁單元的非線性切線剛度陣;在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程,提高了計算精度;再根據得到的切線剛度陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
  12. Experimental results show that the new cfrt - column to steel - beam joints proposed in this paper possess good earthquake resistant capacity. the infilled concrete benefit to restrain the buckling deformation of column webs, increase the strength and stiffness of the joint. the lengthened stiffener can transfer much more beam moment, make the strength of the joint increased

    試驗表明,在保證焊接質量的前提下,本文提出的新型方鋼管混凝土柱?鋼梁的節點具有良好的抗震性能;內填混凝土有利於抑制柱腹板的屈曲變形,增加節點的承載力和剛度;加勁長度的增加有利於傳遞梁端彎,使節點的承載力提高。
  13. In accordance with the structural behavior of cable - supported arch bridge of concrete - filled steel tubes, the rational cable forces of the completed bridge of such type are determined by taking the dead load bending moment distribution of arch rib of the bridge as the target control variables, the cable forces as the optimum control variables and by means of influence matrixes

    摘要基於鋼管混凝土拉索拱橋的受力特點,以拱恆載彎分佈為控制目標變量,以斜拉索索力為控制優化變量,藉助影響陣,確定鋼管混凝土拉索拱橋的合理成橋索力。
  14. Abstract : cable - stayed is used to cable suspension, but cable force is calculated by manual, and only for less than 5 segments, and the prescion is poor. this paper puts forward “ zero moment method ”, which can not only calculate more segmental soupe force, but both temporary joint and fixed joint during construction. the mechanical concept is clear, and it is easy for calculating. it is fit for program, and the illustrations prove that the methods are right

    文摘:斜拉扣掛在纜索吊裝中經常運用,但扣索索力多採用手工計算,且多用於5段以內的吊裝,計算復雜,精度低.本文提出「零彎法」 ,可計算任意多段扣索索力,既可計算拱在施工過程中各節段臨時鉸接,又可計算各節段固結的情況,將兩種連接方式統一成一種計算方法,力學概念清楚,計算簡便,適宜程,文中最後用示例證實本方法的正確性
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