縱向彈性 的英文怎麼說

中文拼音 [zōngxiàngdànxìng]
縱向彈性 英文
longitudinal elasticity
  • : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
  1. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律;建立了相應的s - n關系,提出了總應變、模量的經驗公式,及其第二階段總應變增長率、模量衰減率分別與疲勞壽命的關系式。
  2. The main original work is as the followings : 1. longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated

    主要工作如下: 1 、分別對均質土中完整端承樁和支承樁在垂直諧和激振力作用下的振動特進行了研究。
  3. It consists of two parts : the first part ( chapter 2, 3, 4, 5 ) studies the characteristic of elastic waves and surface waves in orthotropic fluid - saturated porous media using biot ' s theory which is based on the substitutive model. in the second one ( chapter 6 ), a new three - dimensional meso - calculating model, which is more coincided with the inner action mechanism of porous media, is proposed. based on this model, the elastic wave propagation in fluid - saturated porous media under longitudinal impacting is discussed

    論文主要分為兩大部分:第一部分基於替代模型的biot理論,對各介質中平面波以及表面波的傳播特進行了研究;第二部分從細觀層次出發,提出了一個更加符合含液飽和多孔介質內部作用機理的三維細觀計算模型,並對沖擊載荷作用下液飽和多孔介質中波的傳播規律進行了討論。
  4. The results show that : 1 ) the effects of interface on waves scattering are stronger in the structure with the interface perpendicular to the direction of fracture normal than that in the structure with the interface parallel to the direction of fracture normal. 2 ) when the interface is perpendicular to the direction of fracture normal, the amplitude of reflected waves and converted s - waves are higher and there are the sub - p - and sub - s - wave. 3 ) when the elastic waves propagating in the multi - stripe model, wavesforms become complex due to multiple scattering on interfaces

    研究結果表明: 1 )界面與裂縫排列方平行時,界面對波的散射作用大於界面與裂縫排列方垂直時的情況; 2 )當界面與裂縫排列方平行時,在界面上產生的反射波及轉換的橫波幅度較大,並且有次級波和橫波產生; 3 )波在多條紋結構中傳播時,在界面上產生多次散射使得波形十分復雜。
  5. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特,根據等效原則將其化為等效單質點體系,然後在用等效簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作地基梁與上述多質點體系通過等效簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了與橫地震響應時程分析,為該隧道的抗震設計提供依據
  6. Effects of single joint with nonlinear normal deformation on p - wave propagation

    非線變形節理對波傳播的影響
  7. A study on longitudinal vibration behavior of inhomogeneous pile embedded in layered unsaturated soils

    考慮樁土耦合作用時支承樁振動特分析及應用
  8. To solve the problems caused by the varieties of the missile dynamics with the difference of flight height, velocity and attitude angle in modeling the missile, in this thesis, the theory of variable structure model reference adaptive control is used to design a pitch channel autopilot based on a longitudinal missile model, the status equation using the measurable parameters of load and angular rate is established, and the methodology to choosing the reference model is discussed also, and the performance of the controller is analyzed by means of simulation

    為了解決攔截氣動參數隨飛行高度、速度、姿態的不同,變化范圍大,控制系統難以準確建模的困難,基於平面攔截模型,採用模型參考變結構控制理論設計了俯仰通道姿控復合控制系統,以可測量變量過載和角速度作為狀態量建立了系統的狀態方程,討論了參考模型的選擇方法,並對系統的能作了模擬分析。
  9. To study the wave field characteristics of 2 - d transversely isotropic elastic random medium, we separately calculated the statistical characterizations ( horizontal center frequency, vertical center frequency and relative magnitude of the wave field energy ) in the five different time sections

    為研究橫各隨機介質模型中的波場特徵,我們在五個不同的時間區段上,分別計算剖面的三個統計特徵(橫中心頻率、中心頻率、波場能量相對值) 。
  10. To study the wave field characteristics of 2 - d viscoelastic random medium, we divide up the theoretic recording sections ( vertical component ) into two different time sectors, and separately calculated and extracted the three statistical characteristics ( horizontal center frequency, vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors

    為研究粘隨機介質模型中的波場特徵,我們在理論記錄(垂直分量)剖面上選取兩個時間區段;在這兩個不同的時間區段上,分別計算剖面的三個統計特徵(橫中心頻率、中心頻率、波場能量相對值) 。
  11. Commonly, ultrasound elastography can only obtain the axial strain distribution of tissues with an external compression

    摘要超聲成像通常只能得到組織在外部壓縮作用下的應變分佈。
  12. In this paper, a method by the use of the stress - strain relations and the iterative calculation based on the finite element analysis was proposed to reconstruct the elastic modulus distribution from the axial strain distribution of tissues

    本文提出一種利用組織的應力應變關系和基於有限元分析的迭代計算方法,從組織的應變分佈重建出組織的模量分佈。
  13. The parameters are measured respectively during the experimental process, such as bearing capacity, deformation, strain and so on. it concludes that when the other conditions is equal, the limit bearing capacity of the concrete filled steel tube long column subjected to axial compress is reduced along with the long diameter ratio increased

    從試驗結果可以看出:鋼管混凝土軸心受壓長柱的穩定承載力,在其他條件相同時隨長細比的增大而逐漸降低;試件在最大承載力狀態下,鋼管表面的平均應變已超過鋼管的屈服應變值,破壞呈現為非失穩破壞。
  14. With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived

    4 、從三維軸對稱土模型出發,對考慮樁土耦合作用、土層層間聯系以及樁周土豎應力梯度變化條件下的成層粘土中完整樁及變阻抗樁系統振動問題進行了研究,提出了成層土中變阻抗樁系統振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型,並利用拉氏變換和阻抗函數的傳遞,獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式,以及樁頂速度導納和時域速度響應解析解和半解析解。
  15. In cross calculation, the structure subject to cross force and the reverse force of elasticity support can be derived from the bottom elasticity support on each longitudinal beam ; then, with the elasticity reverse force as the loading reversed acting on the side walls and the middle longitudinal beam, the longitudinal beam subject to force can be calculated

    計算中,底部支承在各樑上,可求得結構的橫受力與支承反力;然後將反力作為荷載,反作用於側墻和中間樑上,進行梁的受力計算。
  16. For this purpose, a simple method was proposed to simulate the progressive collapse behavior of a ship ' s hull girder subjected to longitudinal bending. in this method the cross section of hull girder is divided into small elements composed of a stififener and attached plating

    傳統上,船體總強度是通過比較許用應力和在名義垂波浪彎矩作用下甲板或船底上距中和軸最遠點的應力來進行評估的。
  17. A quasi - analytical solution to soil - pile interaction in longitudinal vibration in layered soils considering vertical wave effect on soils

    成層粘土中樁土耦合振動時域響應研究
  18. Any homogeneous viscoelastic medium subjected to one - dimensional tension and compression can be characterized in terms of the phase velocity c ( w ) and the attenuation coefficient deduce the complex modulus and the other equivalent viscoelastic functions

    一維的壓縮波在同質的粘介質中傳播時,材料的粘主要通過波的傳播速度c ( w )和衰減系數a ( w )兩項來定義。
  19. Plastics. modulus of longitudinal elasticity of rigid plastics

    塑料製品.剛塑料縱向彈性的模數
  20. The longitudinal young ' s modulus and the in - plane shear modulus decrease with the increase of the maximum misalignment and the distortion width, but the transverse young ' s modulus and main poisson ' s ratio have no obvious change

    研究了不同的最大纖維偏轉角和變形區寬度對層合板常數的影響,發現隨著和的增加縱向彈性模量和面內剪切模量逐漸降低,橫模量和主泊松比變化不明顯。
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