數次模擬 的英文怎麼說

中文拼音 [shǔcìmónǐ]
數次模擬 英文
digital simulation
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Based on the above, a surrogate models are built for thermal conductibility performance of sandwich panel with " v - type " folded core in this paper, and they can be optimized by multi - subject. the numerical simulation function and optimization design method in condition of lightest weight are shown in this paper

    其次，用isight軟體重新設計了40組不同構型的試驗設計點，並以此為基礎對v型褶皺芯材夾層板的熱傳導性能構建了可用的代理模型，給出了數值模擬函數和最輕重量條件下的優化設計方法。
  2. Adopting high resolution nested grid project and proper physical parameter, a mei - yu heavy rain process during eight july 22, 2002 and eight july 23, 2002 and the meso - b - scale systems alongwith it, were simulated by use of psu / ncar meso - scale nonstatic numerical forecast model mm5 in this paper. the simulation result describes successfully the spatial and temporal distribution of this rain process and the developing course of the concomitant meso - ? - scale systems

    本文利用psu ncar的中尺度非靜力數值預報模式mm5 ，採用高解析度套網格方案和適當的物理過程，對2002年7月22日08時到23日08時的一次強梅雨暴雨過程和伴隨的中-尺度系統進行了數值模擬，結果很好地描述了本次暴雨降水的時空分佈及相伴隨的中-尺度系統的發生發展過程。
  3. Then, the navier - stokes equations for 2 - d axisymmetric compressible turbulent flow were constructed and phoenics was used to simulate the 2 - d axisymmetric compressible turbulent flowfield of rocket jet

    其次，建立了二維軸對稱可壓縮湍流流動的平均navier - stokes方程，並利用phoenics軟體對二維軸對稱火箭噴流進行了數值模擬。
  4. Numerical modeling and dynamical analysis of a squall line

    一次颮線過程的數值模擬和動力分析
  5. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等，並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬，用模擬結果優化拉延工藝方案，比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策，重點介紹工藝補充面和壓料面的設計及優化方法，因為拉延是沖壓工藝的關鍵工序，而工藝補充面和壓料面的設計是拉延工序的關鍵，對消除缺陷至關重要。
  6. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差，建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道，並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較，先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較，然後針對外場試驗，對非線性濾波獲得的定位結果與商業軟體進行了分析比較，並得出結論。
  7. Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied

    本文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬，分析了彈丸側噴流場復雜的波系結構，研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律，深入分析了旋轉側噴彈丸的空氣動力學特性。
  8. In those days, constrained by available computer speed and memory resources, nwp model could only simulate a limited region of the atmosphere using a 100 km by 100 km grid fig. 2 and calculation was limited to once per day

    當年受制於計算機所能提供的運算速度及記憶容量，數值模擬只能夠把有限區域的大氣層切割成100公里x 100公里的方格圖表2進行計算，而每天亦?可以運算一次。
  9. In those days, constrained by available computer speed and memory resources, nwp model could only simulate a limited region of the atmosphere using a 100 km by 100 km grid ( fig. 2 ) and calculation was limited to once per day

    當年受制於計算機所能提供的運算速度及記憶容量，數值模擬只能夠把有限區域的大氣層切割成100公里x100公里的方格（圖表2 ）進行計算，而每天亦?可以運算一次。
  10. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。
  11. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  12. Numerical simulation of the secondary throttle choke

    二次節流油嘴數值模擬
  13. 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。
  14. My score was only 180 on the first sample test in school and 190 on the second. but i made so much progress that i got 280 in the third sample test and finally was admitted into a university with a score of 300 on one half of the test. and this score was just enough for me to choose a university only ten minutes drive from my home in taipei

    特別是在高中考大學這個階段，大學聯考滿分是600分，我在學校第一次模擬考只得到180分，第二次190分，但是到了第三次竟然進步到280分，最後更以300分考上大學，而這個分數剛好可以讓我選擇一所離家僅需十分鐘車程的學校。
  15. Numerical simulation of internal secondary vortex in skew - swept impellers

    彎掠翼葉輪內流二次渦系的計算機數值模擬
  16. At last, we illustrate the imaging process of nonlinear medium by numerical simulation, and the image position and intensity are studied. at the same time, it is pointed out that a piece of nonlinear medium and high power laser beam can form a hologram system. for the first time, we found that a " dark image " ( or " cold image " ) may emerge along with a " hot image "

    最後，我們研究了「熱像」的形成機理及其規律，用數值模擬的方法形象地說明了非線性介質的成像作用，提出了用非線性介質和高功率激光形成全息成像系統的概念和思路，豐富了「全息成像」內涵，同時，首次發現了亮像和暗像同時並存的現象。
  17. ( 4 ) the drag reduction of plane - surfaces with v - shaped grooves is given out by direct numerical simulation, and the drag reduction mechanism in the base of the secondary flow theory is suggested

    （ 4 ）利用直接數值模擬方法求得平板上v ?型條紋表面上的降阻情況，並給出基於二次流動理論的降阻機理。
  18. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平分層介質接收函數的波形反演研究的基礎上，本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法：顯式差分、隱式差分和交錯網格法，首次將多重網格演算法應用於彈性波方程的數值模擬問題，克服了交錯網格法和顯式差分法穩定性差，以及隱式差分法計算效率低的缺點，大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  19. In the anaphase of development, the water content ratio is high in the reservoir, the microcosmic distributions among the formations are different. in order to get the situation of the remaining oil, the author applied fine numerical simulation methods to study every small layers about tuo28 down reservoir. because the characters about geology and liquid are different from past time, the change have been considered

    為進一步搞清坨28斷塊下油組各單元特高含水開發後期剩餘油在層間、層內的微觀分佈，本文重點介紹了精細數值模擬方法對下油組各小層的研究，與以往數值模擬研究不同的是，本次研究充分考慮了坨28斷塊的地質特點和流體特徵隨時間的變化，結合不同開發階段，建立了不同的模型，從而使研究結果更接近地下油藏實際。
  20. Under the background of the research work - " expert system of hydraulic brake system design for saloon car, small and medium passenger car " for nanjing yuejin automobile group, in this paper, a set of special cad software for vihicle brake was developed in which the researchful object was brake, . the cad supporting software was pro / engineer and the developing language was vb. the project of discreted brake was raised and 3d graphic parametric library of typical parts and assemblies was established. 3d solid modeling and parameter - driven between dimensions and relations were accomplished using pro / engineer

    本文以南京躍進汽車集團的橫向課題「轎車、中小型客車液壓制動系設計專家系統」為背景，以制動器為研究對象，以pro engineer為cad支撐軟體，採用vb語言，開發了一套汽車制動器專用cad系統；提出了制動器離散化方案，構建了參數化的制動器典型零部件三維圖形庫，使用pro engineer實現三維實體造型以及尺寸與關系的參數化驅動；圖形庫系統採用參數化圖庫引用、管理機制並擁有一個開放的擴充介面；研究了pro engineer二次開發模塊pro toolkit ，解決了同步模式下定製程序界面的問題，並實現與pro engineer的通信；建立了制動過程數學模型，推導了制動方程式並給出相關解法，編制了制動器數值模擬分析程序；構建了制動器設計資料庫。
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