時間步 的英文怎麼說

中文拼音 [shíjiānbù]
時間步 英文
time step
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. Following this algorithm, the base flow can be calcu - lated from the observed discharge as follows : 1, 22bbqiqiqi where i is the time step in the discharge records, qb is the base flow, q is the total runoff, and is the re - cession constant during periods with no surface runoff. the parameter can be determined through a dis - charge recession analysis

    地下徑流的推算公式如下1 1 . 22bbqiqiqi ? ? ? ? 26其中i表示推算的時間步數， qb是地下徑流， q是總的徑流.表示沒有降水時候流量消退系數，可以通過沒有降水時候的流量消退資料推算出出來
  2. In fluid field solving, the numerical flux is estimated using high - accuracy roe scheme with limiter. in time marching, we use dual - time stepping together with implicit lu - sgs scheme and get reasonable results efficiently. the difference of the fluid computation between single grid and overset grids lies in the dispose of the computation boundary

    流場解算時，對流場數值通量的求解採用的是帶限制器的高階精度roe格式，時間推進採用了含雙時間步長的隱式lu - sgs （ lower - uppersymmetricgauss - seidel ）格式，提高了求解的效率。
  3. This is the future that earth perceives stepping into physicality in 8 years time

    這就是地球所覺察到的，將在前方8年時間步入物質層的未來。
  4. Serval test problems are carried out by using the proposed algorithm. compared with non - local time stepping method, we can increase the efficiency of the time stepping signifi - cantly in certain situations

    運用此演算法，幾個測試問題被計算，與非局部時間步長方法相比，大大提高了演算法的效率。
  5. The viscid flux is discretized by second - order central difference scheme. baldwin - lomax turbulence model is implemented in navier - stokes flow solver. for steady - state calculations, a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used

    其中，定常計算中的時間推進採用四步runge ? kutta方法，並應用了當地時間步長、隱式殘值光順等加速收斂措施；非定常計算中的時間推進採用jameson的隱式雙時間方法。
  6. Once a stable time step is found, further reduction will not appreciably increase solution accuracy.

    一旦找到一個穩定的時間步長，進一步減少它不會顯著增加解的精度。
  7. Comparing numerical character of above two models, it shows that the variance of atmosphere motion must be modified so the time step used in numeric simulation has no effect on numerical character of chaff clouds

    對數值模擬模型的分析表明必須對大氣的運動方差進行時間離散化補償，進行離散化補償后箔條雲團的數字特徵不受模擬時時間步長的影響。
  8. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工點路塹土質邊坡的各類位移變形的監測成果驗證了該程序的正確性及適用性； （ 5 ）通過應用大型有限元軟體ansys模擬分析，不僅分析了其隨著開挖時間步的應力應變關系，並模擬了與實際測斜管相匹配的測斜路徑，通過對各開挖時間步的模擬計算分析，得到了與實測數據較符合的結果； （ 6 ）綜合監測分析成果和極限平衡理論計算分析成果，對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析，取得了較為滿意的結果。
  9. In this paper, we will introduce an accurate and stable method which bases on mot to solve dielectric objects and metal - nonmetal composite objects

    在本文文章中，介紹了一種基於時間步進法求解介質目標、金屬非金屬組合目標時域積分方程的精確，穩定的方法。
  10. ( 4 ) to raise the computational accuracy and efficiency, we have designed a self - adaptive space grid that can guarantee mass conservation and energy conservation, and have also developed the techniques for the time stepsize automatically varying

    （ 4 ）設計了保持質量和能量守恆的自適應空間網格，發展了自動改變時間步長的技術，使之能夠更好地保證計算精度，提高計算效率。
  11. 4. a 2 - d and 3 - d euler equations and n - s equations are solved using the cell - centered finite volume method and four - step runge - kutta scheme on the cartesian grids with standard convergence acceleration techniques such as local time stepping, enthalpy and implicit residual smoothing

    使用jameson中心有限體積法和runge - kutta時間推進方法，求解了關於二維、三維復雜流場的euler 、 navier - stokes方程，採用了當地時間步長、隱式殘值光順等多種加速收斂方法。
  12. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的數值計算上，採用了中心差分格式和迎風格式，用格心格式的有限體積法進行了空間離散，用四步龍格?庫塔法作顯式時間推進，並採用了當地時間步長和隱式殘差光順等加速收斂措施。
  13. The harmonic analysis method can save much computer time than the iterative scheme in time domain ; it is very useful for the complex problem that needs a great of iterative

    頻域法與常規的時間步進法相比，可以節省大量的計算機時間，對于需要大量迭代過程的復雜問題尤為重要。
  14. No. 2, a fast simulation technique is proposed to approximate the filtering effects of the implicit method in order to alleviate the heavy computation brought by the implicit integration method. no. 3, an algorithm to dynamically regulate the time step is detailed

    柔體模擬過程中一直存在的瓶頸問題首先是為保證模擬過程的穩定性而不得不採用較小的時間步長，其次是求解微分方程時耗費的計算量過大。
  15. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢，利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。
  16. Secondly, basic model of one - stage investment decision is provided and the effects of the parameters, including the capacity step, time step etc on the simulation are understood at the same time, the algorithm ( monte carlo method ) of basic model is given and the basic model is studied in order to find how the three parameters of demand affect the investment decisions

    其次，在一系列假設的基礎上，提出了單階段投資決策的基本模型，分析了規模步長、時間步長、樣本數量等參數對模擬結果的影響，給出了該模型的蒙特卡洛模擬演算法，並對該模型進行了系統研究，明確了需求的3個參數（需求漂移率、需求的波動率和初始需求）如何對投資決策結果產生影響。
  17. The thesis also involves some detailed techniques come across in the numerical simulation process of elastic dynamic fem analysis, and remarks the theoretical foundation and applications to them, which covers mass scaling, hourglass deformation mode and dimensional compatibility

    本文還對彈性動力學有限元數值計算過程中遇到的若干技術細節進行了深入分析與探討。這包括質量縮放技術對時間步長的影響、單位制對計算速度的影響以及單元剛度單點數值積分的沙漏模態控制技術等。
  18. The process only needs a few time steps, reflecting the abrupt occurrence of instability of the system

    上述過程持續的時間步數較少，說明了系統失穩的突發性。
  19. In order to advance the sst turbulence equations at the same rate as the flow equations, a point - implicit scheme is used. the convection term in turbulence equations is discretized using first - order upwinding scheme to ensure more stability in time integration and the positivity of the turbulent variables

    Sst湍流方程求解時，使用點隱式格式進行時間推進從而解除了由於源項存在所引起的時間步長的限制，保證湍流方程和流動方程同步推進時的穩定性。
  20. This paper analyzed the criterion of the safety evacuation, factors affected on safety evacuation, calculating method of evacuation time and the smoke layer falling time, typically introduced the several calculation method that i had know, such as the japan three steps calculation method based on experience ( awareness time, travel time, queue time ), two computer modeling calculation method such as simulex and exodus and a spatial grid computer model of hongkong. and it also analyzed and certificated the application scope and difference between the computer modeling calculation methods and japan method with the practical project. all these are aimed to provided preference for performance - based design method and design of computer program for modeling evacuation of people, and advanced the steps of performance - based fire protection design method in our country

    本文對安全疏散的標準、影響安全疏散的因素、疏散時間和影響疏散的煙層下降時間的計算等方面進行分析，重點介紹了作者所掌握的疏散時間的幾種計算方法，日本的三步驟疏散時間經驗公式計算方法（察覺時間、步行時間、排隊等待時間） 、以及兩種計算機疏散計算模型simulex和exodus 、香港的空間網格計算機模型的計算方法等，並結合實際工程來分析驗證疏散計算機軟體模擬和日本經驗公式法之間的不同與適用性，並對疏散計算中的重要參數，人員密度和疏散人數的確定進行介紹，旨在為我國的性能化疏散設計與疏散模擬的計算機軟體的編制提供參考，同時促進我國性能化防火設計的進程。
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