階式流動 的英文怎麼說

中文拼音 [jiēshìliúdòng]
階式流動 英文
cascade flow
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  2. Indeed, individual place settings, and individual dining forks, arose in the15thcentury, at precisely the time that greater social mobility and interclass contact were making common pot dining until then the normseem especially unattractive

    事實上，一人一副餐具，一人一套叉子的習俗興起於15世紀，當時社會流動性加強，跨階層聯系增多，這使得圍著一隻鍋進餐（在那之前一直是標準的就餐方式）的方式顯得特別不受歡迎。
  3. Ms room is globality, and anpoore conaned to nahon - state. it is a entiroiunent without border and inunateria1ity it is provided with alhtudinal open, also mpe against order power ths room is imbued with elashcity and even bear upstair fluid. it contain all face abou human being

    具有高度的開放性，並且反對階層式威權，此種全球性的信息空間，是充滿彈性且具有高度的流動性的，它涵蓋了人類生活的一切面向。
  4. Abstract : a new clock - driven eco placement algorithm is presented for standard - cell layout design based on the table - lookup delay model. it considers useful clock skew information in the placement stage. it also modifies the positions of cells locally to make better preparation for the clock routing. experimental results show that with little influence to other circuit performance, the algorithm can improve permissible skew range distribution evidently

    文摘:提出了一種新的時鐘性能驅動的增量式布局演算法，它針對目前工業界較為流行的標準單元布局，應用查找表模型來計算延遲.由於在布局階段較早地考慮到時鐘信息，可以通過調整單元位置，更有利於后續的有用偏差時鐘布線和偏差優化問題.來自於工業界的測試用例結果表明，該演算法可以有效地改善合理偏差范圍的分佈，而對電路的其它性能影響很小
  5. Three - dimensional flow over flat wall is simulated by virtue of large eddy simulation. the subgrid model is germano dynamical model and the numerical difference scheme is center difference scheme of two - order precision. the outcomes can be validated by its experimental counterpart

    亞格子模型採用germano動力模型模擬，數值差分格式採用具有二階精度的中心差分格式對平壁流動進行三維大渦模擬，模擬結果通過與實驗結果的比較得到驗證。
  6. The verification of the algorithm is performed using a gauss - distributed concentration ball and a stock wave at steady flow in an open channel. the comparison with an analytical problem solution shows that the precision and the stability of quasi - consistence hexahedral element method is as good as that of consistence hexahedral element method, better than that of the linear interpolating function method

    6 、比較分析了網格布置形式對圓管流動和臺階突擴流動計算結果的影響后表明，應在物理量梯度變化較大的區域適當加密網格，才能較好地模擬這些區域的流動特性以及壁面對整個流動的影響。
  7. Some supplement to the field development of economic management of agricultural enterprises management element based on that the new achievements absorbed and survey and practice. 2 )

    其次，系統綜述了國內外不同經濟發展階段農業經營要素的擴展與分化，要素在不同部門間流動與配置效率，經營要素配置方式等理論研究動態。
  8. 6. a new method that adopt small exciter emulation to the dual - shaker vibration system and research the numerical electric current phase synchronous controller, thus

    6 .提出採用小型激振器模擬並聯雙振動臺進行數字式電流相位同步控制器試驗研究的方法，從而降低同步控制器在研製階段的試驗成本，並且避免同步控制器的不確定性給振動臺造成損傷。
  9. Explicit iterated integral formulae of the moments in various order of the hitting times of geodesic spheres by brownian motions on rotationally symmetric manifolds are given in this paper

    摘要主要給出了旋轉對稱流形上布朗運動關于測地球面的首中時、球殼的首出時的各階矩的迭代積分公式。
  10. In contrastive analysis of two types of capital flows, the paper explains advantages and disadvantages of each type, and attempts to study the positive effect of securitization in capital flows on chinese economic growth through capital forming, enterprise developing and state - run companies reforming, especially when the indirect capital flows has got into trouble and speed of chinese economic growth has not reached the potential level

    在對比中，說明了資本流動兩種方式的優缺點。在分析中國現階段經濟增長中間接資本流動帶來的問題基礎上，說明資本流動證券化在中國的資本形成、企業發展和國有企業改革中所起的積極作用。
  11. Numerical fluxes considered in the explicit portion of the algorithm were evaluated by an implicit high - order compact scheme to augment stability. meanwhile, an implicit high - order compact numerical filter was used

    顯式一邊的空間導數採用具有較高精度和良好數值穩定性的隱式高階緊致差分格式，同時採用適于低馬赫數流動計算的隱式高階數值過濾方法。
  12. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  13. The above spatial and temporal discretization in the boundary, and two - directional average in the intersection, can satisfy completely n - s equations, and have high accuracy in the all computational regions

    對邊界上的空間微分採用高階緊致差分格式離散，時間微分採用四階時間推進處理，在交界處採用雙向差分平均法，保證了整個計算域上的流動都滿足navier - stokes方程，並具有高階精度。
  14. This thesis presents the high resolution numerical simulation methods for multi - fluid dynamics. the main contents include three parts : the first is a set of interface capturing equations deduced to describe the interface evolution, which is suitable for constructing two - order enhanced un - split finite volume scheme and three - order parabolic - piecewise - method ( ppm ) scheme in euler coordinate ; the second is the capabilities of level - set method for tracking multi - fluid interfaces are unproved ; the third is that the computational resolutions are much more advanced by improving adaptive mesh refinement ( amr ) technique

    主要研究目的是獲得多介質流體流動的高精度數值模擬方法，主要內容包括界面捕捉方程的推導，適用於euler坐標系的增強型二階精度非維數分裂有限體積計算格式和三階精度ppm格式構造，以及發展改進levelset方法提高捕捉流體界面的能力，發展改進網格自適應技術提高各類方程解的計算精度。
  15. But in open economy, the release of control of foreign exchange and capital, the internationalization ( integration ) of capital market enable the capital ’ s free flow in and out a certain country, this means the taxation policy of capital import country a may seem very special to capital export country b ’ s, and makes the taxation system that is simply based on territorial jurisdiction infeasible. while making a specific taxation policy, all the countries must refer to both territorial jurisdiction and global jurisdiction or more jurisdictions ( with the exception of few countries )

    認為在其他投資環境因素相同的條件下，稅收是影響外國直接投資的重要因素，同時強調了非稅因素在國際資本流動中的重要性;各種稅收優惠政策，有利有弊，各國在不同發展階段，應根據國情採取不同的優惠方式;國際社會通過制定法規和加強國際合作進行稅收協調，防止惡性稅收競爭，共同維護國際投資環境的秩序是非常必要的。
  16. It elaborates on the 3 - step start technique. i adopt the method which permits the bldc motor to automatically search the best time to change its operation stage from a separately controlled synchronous one to a self controlled one using the back emf as the commutation signal. this method prevents the stepping out and stopping problems in the changing procedure of the motor

    闡述了電機的三段式起動方法，在直流無刷電機由起動階段外同步運行切換到反電勢換向自同步運行的過程中採用了自尋最優點切換的方法，保證了電機在切換過程中不會發生失步和停轉現象。
  17. Based on the reynolds " lubrication approximation, the small parameter method is introduced to approximately analyze velocity field and stress distribution between the two parallel disks with an interstitial second - order fluid. 3. squeeze flow between two parallel plates of a bingham fluid with partial wall slip is considered

    以reynolds潤滑理論為基礎，採用小參數法研究了存在滑移時兩剛性圓盤間二階流體的擠壓流動，導出了流體的速度場和壓力分佈，進而求出圓盤間擠壓力的解析表達式。
  18. The paper falls into four sections : the first section analyses the actuality. first of all, the paper reviews the history of china ’ s utilization of foreign capital for five parts, including take - off phase, sustainable development phase, high speed development phase, debugging phase and restore expansionary phase. and then analyses the variances in mode, scale, industry and distribution of china ’ s utilization of

    通過對金融全球化背景及國際資本流動趨勢進行分析，運用國際直接投資理論、國際金融學及現代管理知識，採用定量分析與定性分析相結合的方法，針對中國利用外商直接投資存在的主要問題，從利用外資所處發展階段出發，討論了利用外商直接投資的質量、規模、結構、方式和外資政策，提出了一系列現實可行的對策和建議。
  19. The explicit method is widely used for its simpleness and little memory consumed with local time step and variable coefficients implicit residual smooth to accelerate the convergence procedure. according to yoon and jameson ' s ideas, an efficient implicit lu - sgs algorithm is carefully constructed by combing the advantages of lu factorization and symmetric - gauss - seidel technique in such a way to make use the l and u operators scalar diagonal matrices, thus the numeric algorithm requires only scalar inversion. the computational efficiency is greatly improved with this scheme

    顯式方法具有簡單，消耗內存小等優點，並採用當地時間步長、變系數隱式殘值光順等加速收斂措施，在定常流動的模擬中得到了廣泛的應用;根據yoon和jameson提出的簡化正、負矩陣分裂，構造的l 、 u運算元只需進行標量對角陣求逆，極大提高了流場數值求解過程的計算效率;採用newton類型的偽時間子迭代技術使時間推進精度提高至二階。
  20. For applications involving shocks, second order schemes such as tvd schemes are usually adequate if only relatively simple structures are present in the smooth part of the solution. however, high order shock capturing schemes ( order of at least three ) are more efficient than low order schemes when a problem contains rich structures as well as schocks

    在計算含有激波但光滑區不存在復雜波系結構的流場時，二階差分格式如tvd類格式已能夠得到比較理想的數值計算結果；然而，對于即含激波，光滑區又富含各種波系結構的流場，高階高精度格式的激波捕捉格式相對低階格式具有更高的解析度，更能夠反映流場的真實流動。
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