displacement-length ratio 中文意思是什麼

displacement-length ratio 解釋
排水量船長比
  • displacement : n 1 轉位，移動；取代，置換；（人的）流離失所。2 撤換，免職。3 【機械工程】（活塞）排氣量；【航海...
  • length : n. 1. 長，長度，長短。2. （時間的）長短，期間。3. （賽艇的）一艇的長度；一馬的長度。4. 程度，范圍。5. 【板球】球程；投至適當距離的球。6. 【語言學】音長。7. 一段，一節。
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. This paper presented a new type of triswach ( trimaran small waterplane area center hull ) with small length displacement volume ratio which has low powering requirements at high speed

    摘要提出了一種阻力性能優良、船長排水量系數小的高速小水線面三體船型。
  2. Furthermore, it was shown that load - displacement of pile groups and load distribution on pile top were affected by properties of soil and stiffness ratio of piles to soil, and by length, diameter, spacing, and number of piles

    在此基礎上，分析了剛性承臺條件下超大群樁基礎的荷載位移曲線變化規律以及樁頂荷載分佈規律受樁土剛度比、樁長、樁徑、樁距、樁數、土性等因素的影響規律。
  3. Firstly, the theory of compound foundation and pile foundation are summarized in this paper. the finite element, displacement models and computational program are introduced, then how such factors as the stiffness of pile, the ratio of length and radius of the pile & replacement ratio influence the settlement of compound foundation are analyzed. there has the best modulus of pile, the best of the length & replacement ratio and some data have been obtained

    首先總結了復合地基和樁基的理論和設計計算方法，對有限單元和位移模式以及有限元計算程序進行了介紹，然後分析了樁的剛度、長徑比、置換率等因素對復合地基沉降的影響，證實了帶承臺復合地基存在最佳樁土模量比、最佳長徑比和最佳置換率，並得出了相應的數值可供工程實踐參考。
  4. 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「矩形柱純框架結構」 、 「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」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ，以及「構件內力」 。結果表明:在等面積原則下，異型柱代換矩形柱后，結構剛度增大，側向位移明顯減小，地震反應力略有增加，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;水平地震作用力與整體坐標夾角為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，構件內力增大適中，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，應盡可能減輕結構自重，降低地震作用力;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。
  5. Two model tests, each with a test program of 9 systematical arrangement of side - hulls in longitudinal and transverse locations, were performed to quantify the resistance and especially the influence of length displacement ratio and the interference between the main and side hulls

    對這種船型進行了2種主體型線、 9種側體布局的阻力試驗，分析研究了阻力性能，討論了船長排水量系數和側體布局對阻力性能的影響。
  6. Second, the thermoelastic coupling vibration of cylindrical shell are discussed by means of the same method. the coupling coefficient, amplitude of temperature, initial displacement, ratio of length to radius and that of radius to thickness are main factors which influence the thermoelastic vibration of cylindrical shell ; the higher the coupling coefficient is, the lower the axial force, the axial stress and the axial moment are

    其次，我們用同樣的方法研究了圓柱殼的非線性熱彈耦合振動，主要結論如下：影響圓柱殼非線性熱彈耦合振動的因素主要有耦合系數、溫度幅值、長徑比、徑厚比以及初始位移參數；耦合系數越大，軸向應力、軸向力以及軸向彎矩越小。
  7. At last, a 3d - fem model is used for a soil - nailed supporting system in a classical two - layer distribution. the spatial distribution of horizontal displacement is reached by the analysis. some other analyses are made for the different ratio of length of foundation pit and the effect of the ratio on the largest horizontal displacement of the slope is analyzed

    在邊坡破壞模式研究中利用有限元方法對成都砂卵石地區典型的二元體土層基坑開挖進行了數值模擬，認為其破壞並不取均質土的圓弧破壞模式，而是一種折線形破壞模式，同時建議在噴錨網支護設計中錨桿長度的變化和極限平衡分析中考慮折線形滑動面。
分享友人
分享到 Line

分享到臉書