displacement thickness 中文意思是什麼

displacement thickness 解釋
排代厚度
  • 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...
  • thickness : n 1 厚；粗；厚度；粗大。2 濃度，濃厚，黏稠。3 密度；稠密。4 模糊不清，多煙霧，混濁。5 愚笨；遲鈍...
  1. The opening displacement v is equal to the thickness contraction w.

    張開位移V等於厚度的收縮量W。
  2. The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former

    結果表明：垂直入射時，小深寬比軟夾塞上方地表位移幅值有較大的放大，小深厚比軟夾層的地表位移幅值也有一定的放大，且後者為前者的下限；波接近掠入射時，軟夾塞正上方地表點和軟夾層的中國地震局工程力學研究所碩士學位論文一地表位移幅值都沒有放大，而軟夾塞迎波面一側地表點的位移幅值會有一定的放大；軟夾塞上方的地表位移運動有較強烈的扭轉效應，且此扭轉效應隨入射波頻率的增高而增強。
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  4. It is noted that no displacement of ft ~ lr adsorption of rnse occurred after the preparation of lb film compared wtth that prior to the preparation. wth the thickness of lb filin incrasing, the peak value of adsorption is of the tendency of increasing which indhates that lb film can deposit even and effeetively

    Hihb的成膜性能及吸附蛋白質的研究（ l ）用langmuirra天平研究了不岡酸度的亞相對hihb成膜性能的影響，結采腦刃，堿性亞相中hihb的成膜性能較佳。
  5. One thick necks ’ thickness measuring instrument with high precise and high efficiency is researched in this dissertation. one special flexible hinge gauge head is designed, differential solenoid inductance displacement sensor is chosen and modern micro - processing technology is used to meet the demand of measuring accuracy

    本文通過設計一種專用柔性鉸鏈測頭，採用差動式螺管型電感位移傳感器並結合現代微處理技術，對撓性接頭細頸厚度的高精度高效率測量裝置進行了研究。
  6. ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered

    （ 1 ）本文利用三軸壓縮試驗，比較各種國產土工合成材料對砂土的加筋效果；利用直剪試驗和拉拔試驗，比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性，深入研究土工合成材料的加筋機理，首次明確提出加筋土工合成材料的選型原則； （ 2 ）本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性； （ 3 ）本文採用有限元法，系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響； （ 4 ）本文主要結論如下： （無紡土工織物適合用於允許大變形的加筋土工程；滌綸纖維經編土工格柵和塑料拉伸土工格柵適合用於對變形有較嚴格要求的加筋土工程；玻璃纖維經編土工格柵適合用於對變形有嚴格要求的加筋工程；土工網適合用於低等級的加筋土工程。
  7. Abstract : based on the result of visioplasticity test, the law of tube central upsetting was created, and the calculated method of displacement field and strain field were obtained. in this study, the four deformation modes were showed when ratio of height to thickness of tubular billet is greater than 3. the four modes were related to the distribution of strainless - plane

    文摘:根據管坯視塑性實驗法的實驗結果，分析了無芯軸支撐條件下，管坯中部鐓鍛的變形規律，闡述了變形區位移場、應變場的計算方法；通過對實驗結果的分析，得出了當鐓粗比3 ，管坯中部鐓鍛時，內壁呈現四種典型的變形模式；論述了分流面的分佈與四種變形模式之間的轉化關系。
  8. The maximum displacement value is 0. 5 - 1. 5 times as much as the thickness of the glass

    風擋玻璃受鳥撞擊時的位移最大值達厚度的0 . 5 1 . 5倍。
  9. The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle

    在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土相互作用等;斷層考慮有斷層類型，斷層斷距，斷層錯動距離，斷層與管道的交角，斷層材料的考慮等;荷載分別考慮靜荷載，動荷載，其中動荷載包括線性位移加載、地震力加載和地震波加載等。
  10. 2. considered the material intensity, girder area, panel thickness and loads as stochastic variables, taylor expansion sfem is adopted to analyze the influence of stochastic variables to the nodal displacement, and the different effects of the different variables to the same nodal displacement are compared. 3

    以船舶結構中的材料的強度、梁元截面積、板元厚度和外載荷為隨機變量，採用taylor展開的隨機有限元，分析了隨機變量對船舶結構的節點位移的定量的影響，同時還比較了不同的隨機變量對同一節點位移的不同影響。
  11. In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation

    本文分別用守屋的保角變換法和基於源匯渦分佈的面元法，建立了計算槳葉表面壓力分佈的數學模型；應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法，建立了計算機翼表面邊界層內部流動的數學模型；應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法，建立了槳葉表面二相流流動的計算方法和相應的計算機程序。
  12. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下：對航行器繞流流場進行分析，深入研究了阻力和流噪聲產生機理，建立了阻力系數和自噪聲的評估數值計算模型；採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算，改進了轉捩區長度和邊界層位移厚度的計算，應用於航行器頭部駐點自噪聲的計算；最後設計了阻力系數和自噪聲數值計算程序模塊。
  13. The effective properties of composites are determined solely by the properties of constituent materials. to incorporate the property and structure of interface in the evaluation of effective properties of composites, a linear spring - layer of vanishing thickness is introduced to modeled imperfect interface, which assumes the displacements at the two sides of the interface become discontinuous and interfacial displacement jumps are linearly related to associated interfacial traction, while interfacial traction remain continuous for local equilibrium

    為了在復合材料有效性能計算中包含界面的結構和性能，在界面處引入一種無厚的線性層，此時，界面兩側的位移認為是不連續的，其跳躍量與相應的界面牽引力成線性關系，但界面牽引力由於局部平衡仍保持連續，稱這種界面類型為彈簧型非完美界面。
  14. Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results

    利用退磁曲線法，推導磁力泵聯軸器能量通用公式，導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法，周向傳動轉矩計算方法，結合試驗結果，總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。
  15. The thesis analyses the influenced factors on the stratum displacement and earth pressure, for example, the thickness of grouting layer, soil property, stiffness of linings, the relative depth of burial, and so on. the results reveal the laws that stratum displacement and the distribution of earth pressure vary with those factors. those results may have some reference value to the construction of shield tunnel

    論文較全面地分析了注漿體厚度、土質條件、襯砌剛度、隧道相對埋深對地層位移和襯砌土壓力分佈的影響，揭示了地層位移和土壓力的分佈特徵隨各影響因素的變化規律，這些結果對盾構法隧道的施工和設計具有一定的參考價值。
  16. 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。
  17. The side displacement of the glass plate center is larger or less than the glass plate thickness, for the 3d geometric size of the glass plate and the lateral load vary in a wide range. in other words, the mechanic analysis of glass plate belongs to large deflection or small deflection theory in thin plate theory

    由於幕墻玻璃的三向幾何尺寸和橫向荷載集度可在較大的范圍內變動，玻璃板中心的側向位移，有可能小於或大於玻璃板的厚度，也就是說，幕墻玻璃的力學分析，既可能屬于薄板理論中的小撓度問題，也可能屬于大撓度問題。
  18. Specifies the displacement from the top - left corner of the outer border to the top - left corner of the inner border ( that is, the thickness of the border ) of the original rectangle being redrawn

    指定重新繪制的矩形的外邊界的左上角與內邊界的左上角的偏移量（即邊界的厚度） 。
  19. It is discussed that the load period, the damp ratio of pavement, the temperature of asphalt concrete, the resilient modulus of semi - rigid base, the material parameters and thickness of the composite foundation have influence on the vertical displacement, the radial stress of the base bottom and the sub - base bottom

    具體探討了荷載周期、道路結構體的阻尼比、瀝青混凝土的溫度、半剛性基層的回彈模量、復合地基的材料參數和厚度對特徵點的豎向位移、基層和底基層層底徑向應力的影響。
  20. In order to restrict the displacement of relaxed rock effectively, the factors affecting the efficacy of anchor measures are analyzed according to mechanism of action of anchor. in terms of principle orthogonal design, the influence of parameters of anchor to displacement of excavation slope are elevated by computing using finite element method simulation, and the optimal scheme of anchoring parameters including length of anchors and space between bolts and thickness of shot concrete are defined. finally, the optimal scheme of anchor parameters are determined with considering results of theory analyse and numerical calculation, which provide theory bases for engineering

    為了有效防治邊坡開挖后巖體的鬆弛變形，根據錨桿的作用機理對影響錨固效果的主要因素進行分析，並利用處理多因素試驗的科學方法?正交設計原理，以有限元數值計算為手段，以有效約束邊坡開挖位移為標準，評價了錨桿長度、錨桿間距、混凝土噴層厚度等錨固參數對邊坡變形的影響大小和規律，經過比較分析最終提出了錨固參數的優化設計方案，為工程設計提供了理論指導。
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