散體力學 的英文怎麼說

中文拼音 [sǎntǐlìxué]
散體力學 英文
mechanics of granular media
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 體 : 體構詞成分。
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  1. Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography

    熱及物質擴散引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程，涉及到航空、水利、機械、化工、海洋、氣象等諸多領域，其流體力學和傳質傳熱特性一直是人們研究的重點。
  2. New compressible fluid equations with unified convection diffusion type

    統一的對流擴散型可壓縮流體力學方程與解法
  3. This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

    提出了一種含4個材料常數的亞彈性本構模型，來描述散粒體在加載時的力學行為，本模型的分析結果與不同相對密度下標準砂的三軸實驗可較好地吻合，能反映散粒體的剪縮、剪脹現象，還對如何用三軸實驗數據來確定這4個材料常數，給出了適宜的計算方法。
  4. The model characterizes many dynamic transport and complexation processes that include radial diffusion, excipient complexation and crystalline drug dissolution

    模型利用徑向擴散，輔料絡合作用和晶體藥物的溶出度來表徵多個動力學運輸和絡合過程。
  5. But almost none studies analysis and design principle about quasiliquid device by the numbers. for providing theory guidance for quasiliquid device design and improving capability and reliability of quasiliquid fuzes, taking experience formula of loose object orifice flowage of loose object mechanics, this paper constitutes three type quasiliquid safety and arming device mathematics models by force analysis

    為了為引信準流體機構設計提供理論指導，提高準流體引信性能及其可靠性，本文以散體力學散粒體孔口流動經驗公式出發，結合典型準流體機構具體結構，通過受力分析，建立了離心力驅動、彈簧力驅動和離心力與彈簧力相結合驅動三種典型準流體延期解除保險機構地解除保險過程數學模型。
  6. This system provides photo elastic, moire, holographic, speckle technology contained in optical measure strain and displacement analysis software interface, and mainly realizes photo elastic image collection, interference image pretreatment, automatic skeleton extract method, automatic main strain trace protraction method and planar photo elastic image strain analysis function. all the work that the author has done has established a good foundation for more realization of an intact optical measure image strain analysis software system. furthermore, engineer and lab assistant can quickly obtain concise, intuitionistic and quantificational information

    該系統提供了光測力學所包括的光彈法、雲紋法、全息法以及電子散斑法等技術應力和位移分析軟體實現的介面，主要實現了等差線圖像和等傾線圖像的採集、干涉條紋圖像預處理、全自動提取光彈條紋圖像骨架線、全自動繪制主應力跡線以及二維光彈應力分析功能，為進一步開發完整的光測力學圖像應力分析軟體奠定了基礎，同時使工程技術人員以及實驗人員能夠迅速的獲取簡明、直觀、定量的信息。
  7. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。
  8. In the distributed caa and simulation system, an example of slider - crank mechanism is given. the example use planar multibody dynamic method to analysis the movement rule of slider - crank system under gravity and moment and demonstrate the multibody systems dynamic analysis method

    基於實現的分散式計算機輔助分析與模擬系統，本文以曲柄滑塊為例，利用平面多體動力學通用模型分析了在受到重力和轉動力矩的情況下曲柄滑塊的運動規律。
  9. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究影響邊坡穩定性的內在因素，主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料，建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素，並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價，並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類，並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。
  10. So that research on the mechanical behavior of granular materials and its digging resistance have important theoretical significance and engineering application value

    因此，散體力學特性及挖掘阻力的研究具有重要的理論意義和工程實用價值。
  11. The discrete element method ( dem ) is a powerful tool in analyzing granular assembly. the granular discrete element method can be applied to the partials, whose shape can be approximately described as a sphere

    離散元法（ dem ）是分析散體力學行為的數值方法，顆粒離散元法適用於單個幾何形狀可用圓球近似而不產生顯著差異的情況。
  12. Based on the theories of fluid mechanics and heat transfer, a new way of semi - sealing tube combined with a structure of heat disturbing, distributing, and isolating is created

    根據流體力學和熱傳導理論，設計了解決這一問題的半封閉式爐管結構氧化方法和相關的勻流隔熱散熱裝置。
  13. In this work, we detailedly introduced the whole ideas of rkdg finite element method and the theory of constructing gas - kinetic schemes based on boltzmann equation. and then presented a kind of new computational method for solving id and 2d compressible euler equations, i. e. firstly, we discretize euler equations in the space with discontinuous galerkin finite element method ; secondly, we discretize temporal variable t with runge - kutta formula ; thirdly, for numerical fluxes constructing, we give two kinds of different numerical fluxes - kfvs and bgk numerical fluxes by using gas - kinetic schemes

    本文分別對rkdg有限元方法的整個思想和基於boltzmann方程的分子動力學格式的構造思想給予了詳細的介紹，並分別結合rkdg有限元方法與kfvs數值通量和bgk數值通量的構造方法，給出了一種求解一維、二維可壓縮流體力學方程組新的計算方法，即，我們先用間斷有限元方法進行空間離散，然後再對所得到的半離散格式使用runge - kuttatvd方法進行時間離散，得到全離散格式。
  14. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體力學來看，它事實上是熱力學第二定理的反映，即熵越過激波（一種間斷）要增加。各種估計格式構造的估計解應反映這一事實，即滿足熵不等式。從實際計算來看，總是通過離散化求解，不考慮計算的積累誤差，它的穩定性與計算精度都依賴與真解的光滑性，一般說，在解較光滑的區域有較好的穩定性與計算精度，而在較粗糙的區域則相反。
  15. Non - oscillatory and non - free - parameters dissipative ( nnd ) finite difference scheme ( a total variation diminishing scheme ) with second order accuracy was adopted to solve the fluid dynamic equations, a finite rate chemical reaction model was developed to calculate ingredient producing rate, and an adi over relaxation iteration technique was used to solve the electromagnetic discretized equations

    採用二階精度nnd格式求解流體力學方程組，採用有限速率化學反應模型計算組分生成率，採用交替方向隱式（ adi ）超鬆弛迭代法求解電磁場離散方程。
  16. Before reforming the code to be a mhd, the boundary condition of sss code is modified, so that we can calculate the electro - magnetic implosion of ideal conductive liner, where the magnetic field diffusion is neglected

    在進行一維磁流體力學改造之前，我們計算了磁壓驅動沒有磁擴散的理想導體內爆算例，主要是對sss程序的壓力脈沖邊界條件進行修改。
  17. The diffusion of polypropylene - g - poly ( ethylene glycol ) ( pp - g - peg ) segments in pp blends was investigated by means of atr - ftir and sem

    摘要利用atr - ftir光譜對聚合物表面的組成進行定量分析，通過擴散動力學方程、擬合曲線和擴散系數考察了聚丙烯蠟聚乙二醇接枝共聚物在聚丙烯共混體系中的遷移擴散。
  18. By reason that the structure of filler was fallacious, and flowing state was not accordant with mass transfer mechanism of multiphase hydrodynamics, the popular biological reaction was not in the condition for mass transfer, and the efficiency of mass transfer of multiphase liquid movement declined

    其主要原因在於填料的結構形式不合理，對流體的流態控制不符合多相流體力學的物系傳質機理，使得多相物系之間的傳質擴散效率低下。
  19. The results obtained are analysised and compared to experimental results referred to. according to the partial linearization theory of oscillating fluid mechanics and theory of fourier transform, the flow - induced vibration of pipe on offshore platform is studied

    應用振動流體力學中的局部線性化理論及傅立葉變換理論（傅立葉級數及離散傅立葉反變換） ，對海洋平臺輸液管道內流流體激振進行研究。
  20. For numerical analysis the flow field around the tested automobile is numerical calculated. in the last decades, along with the very quick advance of computers and numerical techniques computational fluid dynamics ( cfd ) has come out as a modern alternative for reducing wind tunnel tests. recently cfd is applied to various stages of automobile aerodynamics

    近年來，伴隨著計算機的發展及計算技術的進步，數值研究取得了迅猛的發展，這種數值研究屬于計算流體力學cfd （ computationalfluiddynamics ）的范疇，它利用計算數學的演算法將流場的控制方程離散到一系列網格節點上求其離散的數值解。
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