重合邊界 的英文怎麼說

中文拼音 [zhòngbiānjiè]
重合邊界 英文
coincidence boundary
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力條件和通用條件的基礎上提出了一種新的聯條件方法,它綜了上述兩種條件的優點,在流場的各種處理中取得了非常好的效果,經過模塊化的處理以後這種條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。
  2. Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate

    本文著研究了在混凝土約束條件下壓電陶瓷片的樣本模型,在此基礎上通過理論探討和實驗現象分析,認為埋置於混凝土中的壓電陶瓷片是符彈性力學中克希霍夫有關薄板理論的假設,是屬于薄板振動問題,並確定了其約束條件。
  3. The important agreements signed include the viet nam - us bilateral trade agreement, viet nam - china land border treaty, viet nam - china agreements on the delimitation of the tonkin gulf and fishery cooperation, and the viet nam - indonesia agreement on the delimitation of the continental shelf boundary, etc

    簽署的要協議包括越南與美國雙貿易協定,越南與中國陸地條約,越南與中國關于東京灣劃和漁業作的協定,以及越南與印尼關于大陸架緣劃協定等等。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關要;採用全局法和局部法相結的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  5. It builds a physical model according to hoisting capacity, lifting angle and structural stabiliy, theory, solves the problem of function relationships among lifting capacity, lifting angle, boom weight, boom dimension and deduces the natural boundary condition of design parameters, providing a new way to determine crane design parameters

    摘要將起量和起吊幅度為基本設計依據,以壓桿穩定理論為分析基礎,結專業知識,建立物理模型,解決了起量、起吊幅度與吊臂質量、吊臂主要參數之間的函數關系的難題,首次確定出設計參數的自然條件,為起機設計者提供了確定設計參數的新方法和科學依據,具有開創意義。
  6. These two men, thus opposed in age and interests, resembled two parts of a triangle, presenting the extremes of separation, yet nevertheless possessing their point of union

    這兩個人在年和興趣上的差別是如此之大,他們就象是一個三角形的兩條在底上互不搭而在頂部
  7. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法,壁面條件採用標準壁面函數,風口條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約,因此選擇理描述入流條件的風口模型對數值模擬至關要。
  8. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到,為了便於比較,我們首先研究了空氣介質的皺褶圓環結構軟表面天線,用fdtd方法並結pml吸收條件對該天線的性能進行了研究,結果表明天線的帶寬增加,天線的軸對稱性得到了很大改善, e面和h面方向圖的波束幾乎,天線的旁瓣和背瓣受到很大的抑制。
  9. The first can be called a typical huabei mcs, whose initial convections are arisen by terrain forced climb ; the second initial convections are arisen by boundary convergence lines in the afternoon, meantime the lower level cold air from huabei plain also contributes to their formation

    第1次是比較典型的華北mcc中尺度對流復體過程,它是由地形強迫抬升觸發了初始對流。第2次初始對流是由午後的層輻線觸發的,從華北平原南下的淺薄冷空氣也起了要作用。
  10. The model simulations indicate that the severe storm is occurred in the pattern high - level of northwest flow, the waterjumping downhill flow form taihang mountain is the key mechanism to initiate the convective, on the other hand, the terrain can induce unbalanced low - level flow, which play an importance role in generating the mesoscale gravity waves ( mgws ) by convergence and divergence in low - level troposphere

    ( 2 )太行山對華北強對流風暴的發生有要作用。一方面,地形可引起層風場的變化,包括風垂直切變、下坡氣流和中尺度輻線,從而對風暴的啟動、組織和移動發揮作用;另一方面,山脈背風波動和地形產生的不平衡氣流,有利於中尺度力波( mgws )的產生和維持,並對下游地區強對流天氣的發展產生影響。
  11. Thus, it is necessary to explore the working margin on the public utility of the two mechanisms : the government and the market, which should be positively cooperating, in the hope of setting up a scientific and reasonable market - based operating mode of public utility

    這就要求新探索政府與市場這兩種機制在公共事業領域的作用,建立兩種機制良性作的制度系統,在市場導向的改革框架下構建一個科學理的公共事業市場運作模式。
  12. Basing on web higher school educational administration system described by uml it mainly introduced developing the choosing - course process which basing on j2ee and used uml as modeling language, rup as process frame : using example pictures, activity pictures to find user requirement, establishing system boundary and found the demand - model of system in the end ; to build analyzing species, using sequence chart. activity chart. cooperation chart of analysis species to describe the analysis - model of system : to build design species, using design species sequence charts, species charts to realize design - model of system ; using component charts. scheme charts to describe realization - model of system, this thesis mainly described the elective - courses and achievement - management

    用uml描述的基於web的高校教務系統原型主要介紹了以uml為建模語言,以rup為過程框架,開發基於j2ee的選課過程:使用例圖、活動圖來尋找用戶需求,確立系統,從而建立系統的需求模型;構建分析類,使用分析類的順序圖、活動圖、作圖來描述系統的分析模型;構件設計類,運用設計類順序圖、類圖來實現系統的設計模型:使用構件圖、配置圖來描述系統的實現模型。論文中主要對選修課程、成績管理做了點描述。
  13. Although this agreement is trilateral involves mexico, america and canada, and its core organization, commission for environmental cooperation, not merely aims at the border environmental problems between mexico and america, but the procedure of citizen appeal of it actually is an important way to coordinate border environmental problems between both countries

    雖然該協定是一個涉及墨西哥、美國和加拿大的三協定,其核心機構環境作委員會也並非專門針對墨西哥和美國的環境問題,但該委員會的公民申訴程序卻也是一個協調墨美環境問題的要途徑。墨西哥和美國分屬發展中國家和發達國家。
  14. The dissertation focus on the main conflict of flow and sediment change, by analyzing the flow and sediment features, and change in rivercourse of typical period in histry, collecting the data of riverbed change. according to the flow and sediment change condition, combining the existed water works, and based on the results of former researches, the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project, which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi, from shendi to tieqiao near zhengzhou, from tieqiao near zhengzhou to dongbatou, from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020. the result may provide some reference for flood control of these wangdering river sections, and some guidelines for planning of water projects and arrangement of project sequence

    本課題緊緊抓住小浪底水庫運用后水沙變化這一主要矛盾,通過分析研究以往典型時期的水沙特點和河道演變特點,收集分析河床條件變化資料,小浪底水庫運用后水沙資料變化,結現有河道整治工程建設情況,總結前人的研究成果,點研究三門峽水庫運用後下遊河道河勢變化的規律和特點,探索小浪底水庫運用後下遊河勢變化情況,分析預測游蕩性河道鐵謝至神堤、神堤至鄭州鐵橋、鄭州鐵橋至東壩頭、東壩頭至高村等各個河段在2010年, 2010年至2020年期間的河勢變化趨勢,為分析游蕩性河段的防洪形勢,指導河道整治工程建設的規劃和工程安排提供決策參考和依據。
  15. The graph of mine geological environment assessment for different districts in chongqing city is obtained based on minefield border through the assessment and overlapping of each assessment unit

    在兼顧礦區完整性的基礎上,通過對各評價單元的評判、綜,得出了慶市礦山地質環境評價分區圖。
  16. For cases with relative large boundary displacement, a window is created enclosing the moving body in which the mesh elements are specified to be deforming adapted to the body motion

    處理動位移較大的情況時,必須結局部構方法。網格變形區域被限制在包圍動的一個窗口范圍內。
  17. Mesh movement strategy is implemented by the combination of mesh deforming and local remeshing, but just using mesh deforming is sufficient for cases with relative small boundary displacement

    動網格由網格變形與局部構相結的方法實現。對于動位移較小的情況則單獨應用網格變形方法。
  18. Solving maxwell ’ s equations for the resonances of a closed cavity is important in understanding and controlling the operation of many devices, including particle accelerators, microwave filters

    金屬諧振腔的諧振特性和場分佈可由麥克斯韋方程組結條件求解,知道腔體內的場分佈對于更好的了解和控制各種諧振裝置是非常要的。
  19. ( 3 ) the re - orthonormalization technique is used to solve the loss of orthonormality of basis vector during the classical gmres method solving large - scale three dimensional elasto - static be problems. based on the characteristic of fundamental solution and the coefficient matrix, several precondition methods are studied. by using the technique of re - orthonoramalization and precondition, the practical gmres method is developed based on the classical one

    ( 3 )採用正交技術解決了經典gmres方法在求解大型三維彈性靜力元問題過程中出現的基向量正交性喪失的問題;結元基本解和系數矩陣的特點以及并行化的要求,研究了幾種預條件技術;並以正交技術和預條件技術實現了經典gmres的實用化。
  20. Meanwhile we discuss the multilayer bellows with boundary non - linearity theory, exercise fea software ansys construct a kind of novelty and logical model of multilayer bellows, then basically settle multilayer bellows of design and calculate. the results of ansys and the datum of experiments are accordant

    同時著探討了多層波紋膨脹節,結非線性理論,運用有限元軟體ansys構造了一種新穎、理的多層波紋管有限元模型,基本解決了多層波紋管設計計算問題。
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