elastic coefficient 中文意思是什麼

elastic coefficient 解釋
彈性常數
  • elastic : adj. 1. 有彈力[彈性]的。2. 伸縮自如的，靈活的。3. 機變的，輕快的。n. 橡皮線，松緊帶，橡皮圈。adv. -ally
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  2. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較，本文提出：雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算，完全能滿足工程精度要求。
  3. Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation

    針對以上問題本文做了以下一些工作並得到若干結論： （ 1 ）提出了「復合雙層地基」的概念，並通過工程實例證明此概念的提出有其合理性和必要性； （ 2 ）用彈性地基梁理論證實了復合雙層地基確有應力擴散效應，且擴散效應隨上覆硬層厚度、剛度的增加而增大，隨下臥層基床系數的增大而減小； （ 3 ）建立了非線彈性、各向異性有限元模型，並以此為基礎分析了復合雙層地基的應力擴散效應，得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論； （ 4 ）推導了可用於常規計算的復合雙層地基應力擴散系數公式，並代入工程實例進行了驗證。
  4. 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。
  5. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  6. Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed

    本文以裂隙介質的波動理論作指導，根據hudson裂隙理論，求出eda介質的彈性參數。在此基礎上，應用christoffel方程求出的地震縱波相速度表達式，探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。
  7. Based on the relationship between developed scale of urban road and some social variables, we draw a cobo - douglas production function which involves the devotion element of urban road by econometrics method, and by which we can mensurate the elastic coefficient between urban road scale and gdp

    本文在研究我國城市道路發展規模與相關社會指標之間相關關系的基礎上，通過運用計量經濟學的方法，建立了包含城市道路設施投入要素的柯布-道格拉斯生產函數，從而測定了城市道路設施投入與城市國內生產總值產出之間的彈性關系。
  8. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型，根據周期函數的傅里葉級數展開原理，將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數，導出了動態響應表達式，結果表明，當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。
  9. On the base of milling ball interaction during milling process, the powder height of each collision can be calculated. if the impact of milling ball takes as hertz elastic collision, the maximum real strain and the maximum tangential strain are obtained as follows, e, . , ln [ h, / ( h0 ? vrcos6 / 2 ) ] = vrsin6 / h0 ? / q, t2rt2 / 2om ~ h, j where s, p, v are maximum real strain, the maximum tangential strain, friction coefficient and the velocity of milling ball

    對球磨過程中磨球相互作用作了一些假設后，可以計算出每次碰撞所獲得粉末體高度值；將磨球的碰撞作為hertz彈性碰撞，碰撞時的速度分解為法向速度和切向速度得出粉末的最大真應變和最大切應變為湖南大學材料物理與化學專業碩士論文r 。
  10. Analysis of relation of coefficient of thermal expansion and elastic modulus

    熱膨脹系數同彈性模量數學模型分析
  11. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特性；橫向載荷作用下的莖稈彈塑性變形與秸稈被推倒的力學條件；機組作業速度與滑撬曲面半徑的關系；秸稈壓實厚度與加載作用點的相對位置；配套裝置與犁體相對位置；秸稈壓實厚度下的翻垡系數等，進行了較詳細的理論分析並建立了相關數學模型。在此基礎上，本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。
  12. With a new calculation method, the elastic coefficient of the food production process in guyuan county is calculated and analyzed

    結果表明，技術進步的貢獻率在80年代達到90 %以上， 90年代以後逐步下降，並趨于穩定。
  13. Then this paper goes on to the factors that affect the oil foreign trades, including domestic oil supply, domestic oil demand, the level of foreign trade development, exchange rates and changes caused by entering wto. in studying the supply and demand gap, this paper uses a supply and demand balance method to decide the gap and uses method of domestic energy consumption development and method of energy elastic coefficient to estimate the future demand

    然後本文又分析了影響中國石油對外貿易趨勢的主要因素，重點對中國石油的供需因素進行了差額分析，分別運用中國能源消費增長趨勢、能源彈性系數法來大致預測了中國未來的石油需求，並通過供應和需求的對比，得出了中國未來所需要用石油對外貿易來彌補的供需缺口。
  14. In this paper, based on the characteristics of force and deformation of pars, the time - variation of the elastic coefficient of fulcrum in the calculation model of pars is analyzed and studied ; and the lessening of rigidity coefficient of elastic fulcrum, which is caused by the continual bottom soil resilience beside the piles and the increase of excavation depths during different steps, is discussed

    摘要根據樁錨支護結構的受力和變形特點，研究分析了樁錨支護結構計算模型中支點彈性剛度系數的動態時變性；討論了隨樁內側坑底土的持續反彈以及不同工況下隨著基坑開挖深度的逐漸增大，進而導致彈性支撐剛度系數的減小的變化規律。
  15. Elastic coefficient matrix

    彈性系數矩陣
  16. At the same time, the economic is developing, the traffic equipment in city, especially the recoverable amount of the automobile is increased rapidly, but because the elastic coefficient that the area of the road of area that builds up city increases is very small, the city road was built and has not slowed down the traffic pressure in the city very well, this kind of pressure has brought very big restriction to development of the city

    同時隨著經濟的發展，城市機動化設備，尤其是汽車的保有量迅速增長，但由於城市建成區道路面積增加的彈性系數甚小，城市道路建設並沒有很好地減緩城市交通壓力，這種壓力給城市的發展帶來了很大的制約。大運量、準點、佔地面積小、污染少的軌道交通為解決城市交通、土地利用以及城市的協調永續發展提供了有效的解決途徑。
  17. The second part is the third chapter, which studies the highway ' s construction scale. the conclusion can be drawn from summarizing several typical countries ' s highway construction that most developed countries reduce the difference between regions via highway construction in a big way. when the economy reaches a certain degree. this exemplifies the validity of our high - speed highway building in western regions. the elastic coefficient of mileage and gdp in our country is compared with that of germany. reasonable proportion of highway construction and its density is discussed from point of sustainable development

    通過總結幾個典型國家公路建設的共同規律，得出經濟發展到一定程度后，大多發達國家靠通過大規模的公路建設來縮小國內地區間的差異。這正說明我國目前加大西部公路投資力度，縮小東西部差距這一做法的正確性和有效性。運用類比法，對中德兩國公路里程和gdp的彈性系數進行分析比較，得出我國在相當的時間內彈性系數將保持在較高水平。
  18. The principle of the ultrasonic method applied to measure elastic coefficient is by measuring the velocity of ultrasonic wave propagation in the solid material to obtain the elastic module, shear modulus and poisson ratio

    摘要彈性系數的超聲檢測，即藉助固體彈性常數與超聲波波速間的固有關系，通過測量縱波及橫波在固體中的傳播速度來獲取材料的彈性模量、剪切模量及泊松比。
  19. Abstract : it is thought that some parameters, such as elastic coefficient, u th ratio, gr hcgr, etc., might have relations to organic carbon content in formation according to the properties of hydrocarbon source rock

    文摘:張立鵬，邊瑞雪，楊雙彥等用測井資料識別烴源巖測井技術， 2001 ， 25 （ 2 ） ： 146 152根據烴源巖的地質特點，提出了地層的彈性參數、鈾釷比等幾個參數也可以反映地層的有機碳含量問題。
  20. Abstract : this paper present the quantitative analytical model of the effects of technique development on agricultural production and discusses the fractal meaning and features of the elastic coefficient of the agricultural production process

    文摘:給出了技術進步對農業生產影響的定量分析模型，並討論了農業生產過程中彈性系數的分維含義與特徵，運用新的彈性系數的計算方法，對固原縣糧食生產過程中的彈性系數作了計算、分析。
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