運動邊界 的英文怎麼說

中文拼音 [yùndòngbiānjiè]
運動邊界 英文
moving boundary
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 邊 : 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...
  • 界 : 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...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性，計算了分支血管血液流動的速度矢量分佈，同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈，及顆粒物所受壓力狀況，給出了顆粒物的運動趨勢，分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  2. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  3. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  4. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  5. For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field

    摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解，通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程，運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果，以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。
  6. The regimes of turbulence include homogeneous flows in two and three dimensions, geostrophic motions, shear flows, convection, boundary layers, stably stratified flows, and internal waves

    擾流的形式包括二維和三維的均勻流動、因地球自轉而引起的運動、切向流動、對流、邊界層流、穩定層流和內部波動。
  7. The results illustrate that in the driven magnetic reconnection process generated by the dawn - dusk electric field in the magnetotail, the transportation of magnetic helicity flux via the boundaries of the system is the direct cause of the change of the total magnetic helicity in the system

    研究表明，對于由晨昏電場?生的磁尾驅動重聯過程，通過系統邊界輸運的磁螺度通量是引起系統總磁螺度變化的直接原因。
  8. With the flowchart the program can be divided into six parts and it includes initial flow field, computation of molecular motion, boundary treatment, re - sort of molecular, sample and computation of molecular collision. several cases have been simulated to certify the correctness of the program. dsmc method is improved using method of characteristics to modify the boundary condition and gets the goal as expected

    首先，編程實現了基本dsmc方法對二維流動的計算，給出了所用演算法的原理、相關模型，並結合程序結構流程圖，分別介紹了初始化流場、計算分子的運動、邊界的處理、分子的排序、抽樣計算分子的碰撞、流場參數采樣統計各個功能模塊在fsmm2d中的實現，並對該程序進行了算例校驗。
  9. On the basis of the work in xie et al. 5, xie et et al. 7 and liang et al. 8 established a dynamic repre - sentation of the groundwater table in a land surface model through reducing it to a moving boundary problem and solving it by the mass - dumped finite element method

    基於以上工作，謝正輝等7 ， liang等8通過將地下水位動態表示問題歸歸結為運動邊界問題，用有限元集中質量法直接求解，建立了地下水位的動態表示模型
  10. On three - dimensional numerical solution of incompressible viscous flow by osfem abstract an algorithm for solution of three - dimensional navier - stokes equations for incompressible viscous flow is developed. a decoupled algorithm based on the operator - splitting technique is applied

    由於三維粘性流動的復雜性，例如流動邊界的選取、控制條件的給定以及混合運算元方程高精度數值解法等，都值得探討和研究。
  11. In this thesis, the tides and tidal currents in the seas adjacent to zhejiang province are simulated with a three - dimensional baroclinic primitive equation model - hamburg shelf ocean model ( hamsom ). two numerical techniques - nested grid and moving boundary method are used successfully and high precision results which compared with the observed ones are obtained. these results reveal the characteristics and the moving rules of the tides and tidal currents in this area

    本文採用三維陸架海模式（ hamsom ）對整個浙江近海的潮汐和潮流進行了三維數值模擬，成功地應用網格嵌套和動邊界技術獲得了和實測資料相吻合的較高精度的結果，揭示了浙江近海潮汐、潮流的主要特徵和運動規律。
  12. Second, a visual software for srm electromagnetic field computation is developed by using object oriented programming, in which rotor movement problem is dealt with moving boundary method

    第二，用運動邊界法處理相對運動，應用面向對象的程序設計方法，開發了可視化開關磁阻電機電磁場分析軟體。
  13. Secondly, the process model is established. the process is departed into two stage. one is pre - process. the moldfilling of polymer melt in three dimensional thin parts is a viscous, incompressible flow with moving boundaries

    整個充模過程分成兩部分：第一部分為預充模過程，這一過程屬于帶有運動邊界的粘性不可壓縮流體的流動。
  14. Abstract : three - dimensional, time - dependent, compressible fluid flow problems have been studied with the finite volume scheme based upon an arbitrary lagrangian - eulerian scheme. a general program for arbitrary mesh has been developed. this program can be used to the fluid flow with arbitrary shape boundary condition and moving boundary condition. as an example, the fluid flow in a simple tundish is calculated, and the time - dependent fluid flow distribution is given out

    文摘:在歐拉與拉格朗日耦合的框架下，利用有限體積法對非定態三維可壓縮流體流動問題給予研究，開發了一般網格下的通用計算程序.該程序適用於計算復雜幾何邊界條件、運動邊界條件等情況下流體流動問題.作為例子，計算了簡單中間包內流體的流動情況，給出了隨時間變化的流場分佈
  15. In the process of adjusting computing program, the computation of air gap between stator and rotor is very important to overall performance of computing program. the algorithm of finding boundary point according to input logic data, including the outer boundary of rotor and the inner boundary of stator, is proposed to deal with the problem of mesh by the way of relative motion between stator and rotor

    修改計算程序的過程中，對定、轉子氣隙部分的剖分及計算是關鍵部分，本文具體詳細地給出了定、轉子相對運動的實現方法中由邏輯數據確定用於形成運動邊界的邊界節點演算法，邊界節點指用於氣隙剖分的兩條邊界節點：轉子外邊界節點和定子內邊界節點。
  16. Yang and xie 9 developed a numeri - cal model for the moving boundary problem through reducing it to a fixed boundary problem by a coordi - nate transformation. it is necessary to reduce the a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 623 computational cost of the groundwater model so that it can be applied to a land surface model for climate studies

    文獻9通過一個坐標變換將運動邊界問題轉化為一個固定邊界問題，進一步改進了該土壤水模型的數值計算方法，使其減少計算量，達到能在一般通用的模式中實際應用
  17. And then it propagates across space under the effect of directional grouping and attentional priming in the mt - mst loop. so the object motion is captured finally. just based on the propagating mechanism, local aperture problem was overcome, and the system completes motion integration and motion segmentation

    本論文在grossberg的形狀運動邊界輪廓系統（ formotionbcs ）的基本模型框架下，綜合了fa ade模型和mbcs模型，對原模型進行了深入的研究分析，並進行了擴展: 1 、研究分析了模型系統各階段的運動處理機制。
  18. To get high operation speed and minish acute fluctuation at marginal running point, the thesis brings forward a new method : interior point method. the thesis also point out the spot price : should be modified by power flow method

    為了提高模型求解的速度和精度，減小實時電價在運行邊界點的劇烈波動，論文提出採用內點法進行模型的求解，同時也指出實時電價需採用潮流跟蹤法加以修正。
  19. Only by the simulation of the unsteady flow field with moving boundary, can the moving process be expressed faithfully

    只有動態流場（也就是動邊界流場）模擬，才能完整地描述運動全貌。
  20. Although there are many papers on the numerical analysis of hydraulic - element flow fields, and make a good effect on improving the element properties, usually they only study steady flow field, which can not describe the whole moving process of hydraulic elements

    液壓元件內動邊界流場的模擬，是了解與改進元件參數性能最有力的手段。以往液壓元件內流場的數值模擬，僅限於穩態流場，它不能反映運動的全過程。
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