縱彈性模量 的英文怎麼說

中文拼音 [zōngdànxìngliáng]
縱彈性模量 英文
modulus of 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 ...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  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,提出了向總應變、的經驗公式,及其第二階段總應變增長率、衰減率分別與疲勞壽命的關系式。
  2. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測系統的理論塊,包括根據snell原理,研究極限折射波的激發機理,並使用有限元軟體ansys進行擬;根據聲理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射波測無縫焊接鋼軌溫度應力的方法,即固定距離測聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射波測溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  3. ( 3 ) p and s wave velocity and dynamic & static modul of sand rock in huanhua basin are the first time measured using " mts rock physical parameter testing system under formation condition " of " state key laboratory of oil and gas reservoir geology and exploitation ". at the same time, relationship between seismic response and oil & gas is discussed and summarized

    ( 3 )利用「油氣藏地質與開發工程」國家重點實驗室mts巖石物測試系統,首次對黃驊坳陷砂巖進行了高溫高壓下的、橫波速度及動的測定,對黃驊坳陷砂巖的地震響應與油氣關系進行了分析和總結。
  4. 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的困難,基於向平面攔截型,採用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,以可測過載和角速度作為狀態建立了系統的狀態方程,討論了參考型的選擇方法,並對系統的能作了擬分析。
  5. 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

    為研究橫各向同隨機介質型中的波場特徵,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(橫向中心頻率、向中心頻率、波場能相對值) 。
  6. 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

    為研究粘隨機介質型中的波場特徵,我們在理論記錄(垂直分)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(橫向中心頻率、向中心頻率、波場能相對值) 。
  7. 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,從組織的向應變分佈重建出組織的分佈。
  8. Based on the analysis of the definition and the study of the estimation methods, the fighter ' s combat effectiveness model, in which the parameters of maneuver, cannon, missile, detector and others are considered, is established. the model has been tested with the existing aircrafts. it is shown that it is available and accurate enough for engineering practice

    在分析和研究作戰效能定義、作戰效能評估方法的基礎上,建立了能反映飛機機動、火力、目標探測能力、電子戰能力、操效能、生存力、航程、突防能力、遠程武器能力、導航能力、載等因素對飛機作戰效能影響的作戰效能計算型。
  9. In order to study the influential factors on seismic attribute, the authors use the rock modeling software to simulate the changes of mineral constituent, porosity, fluid property and saturation of rocks and further study the changes of the seismic attribute basing on the velocity of s - wave, the velocity of p - wave and various elastic modeling quantities of the rocks by means of forward modeling

    摘要為了研究影響地震屬的因素、應用巖石建軟體擬巖石的礦物組分、孔隙度、所含流體質以及飽和度等變化,對其橫波速度、各種的變化情況通過正演的手段得到了解。
  10. First1y, in this paper, the testes about tensi1e resistance of masonry components in different period are processed and re1ated suppositions and formu1as are brought forward : the formu1a about maxima1 shear stress of top side in high or tier masonry bui1dings is deduced. it can be found easi1y that the factors affect ing the maxima1 shear stress are vertica1 resi stance coefficient 1oad magnitude wa11 geometry dimensions and its modu1us of e1asticity

    首先,進行了不同齡期下的砌體試件抗壓力學能試驗,提出了相關的假定和公式,推導出了橫墻荷載差影響下的多、高層砌體結構房屋頂層的最大剪應力公式,從中可以看出影響最大剪應力的因素有豎向阻力系數、荷載大小、墻體的幾何尺寸和墻體的等。
  11. 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,發現隨著和的增加和面內剪切逐漸降低,橫向和主泊松比變化不明顯。
  12. 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

    摘要系數的超聲檢測,即藉助固體常數與超聲波波速間的固有關系,通過測波及橫波在固體中的傳播速度來獲取材料的、剪切及泊松比。
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