finite region 中文意思是什麼

finite region 解釋
有限區域
  • finite : adj. 有限的；【語法】限定的；【數學】有窮的，有盡的。n. 〈the finite〉 有限（性）； 〈集合詞〉有限物。adv. -ly ,-ness n.
  • region : n. 1. 地方，地域，地帶；地區；行政區，管轄區，區；左近，鄰近；（大氣、海水等的）層，界，境。2. 【解剖學；動物學】（身體的）局部，部位。3. （學問等的）范圍，領域。4. 〈罕用語〉天空。
  1. Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely

    本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬，根據多種紊流模型的優缺點進行比較，選擇了launder和spalding於1972年提出的標準的k ?紊流模型。
  2. The chimera embedding technique is presented for the external store separation configuration. it divides the whole region into many subdomains. euler equations are used for every subregion with the finite volume method

    本文採用嵌套網格技術，將飛機投放外掛物的模型分成多個計運算元域，對飛機投放外掛物的復雜外形進行了分區迭代求解。
  3. Unlike in subsonic and transonic speed regimes, the interference resulting from the finite size of the test region is seldom present.

    不像在亞、跨音速區域，這里因試驗段尺寸有限造成的干擾是難得存在的。
  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，使得在臨界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;導出包含邊界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重要;採用全局法和局部法相結合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. No region of a positive, finite volume of matter goes into zero or infinite volume.

    物質的任何一部分正的、有限的體積都不會變成零或無窮大。
  6. 3. for the two - region model of one - dimensional solute transport through heterogeneous soils considering scale - dependent dispersion and immobile region under steady state flow, the numerical model is obtained by characteristic finite element method

    對于穩態水流條件下，非均質土壤中考慮水動力彌散尺度效應以及不動水體存在時，一維溶質運移的兩區模型，建立了相應的特徵有限元數值模型。
  7. Combing the linear seepage model with hydrogeology in the region of zhong - liang reservior, the analysis of the problem of positive and negative is emphasized. make use of with some observing information of boreholes in this region, adverse seeking the hydrogeology of the reservoir in the region with finite element method, the leakage quatity of karst water in the region of reservoir is forecasted.

    線性滲流模型結合了中梁水庫庫區水文地質條件，重點進行正反問題的計算分析，利用研究區若干觀測孔資料，採用有限單元法反演庫區的水文地質參數，並預測了庫區巖溶水滲漏量。
  8. Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved

    6公里的雪峰山隧道工程，首先介紹了隧道支護結構的常用分析計算方法；然後通過對隧道施工過程中，洞室穩定性與支護結構相互作用機理的深入分析，建立了隧道施工過程的空間計算模型，提出了採用三維彈塑性有限元-無限元耦合的數值計算方法，綜合分析了隧道在不同圍巖特性和圍巖類別條件下，以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響，從而解決了通用有限元方法難以解決的隧道三維無限域問題；其可充分發揮有限元法在分析非線性方面的有效性和成熟性，以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性，為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。
  9. Then we propose the problems that will be discussed in the following papers. also, we introduce the theory in the field of feasible region for semi - infinite programming, and concluded that in some area around the feasible points, feasible region can be expressed by finite inequality constraints, this results gives a base to the following algorithms

    接著介紹了半無限規劃可行域的結構和穩定點的穩定性，指出了關于可行域結構理論研究的現狀，並指出在一定的條件下，在可行點的局部鄰域內，可行域可以有有限個不等式約束來表示，這為第二、三章半無限規劃問題的演算法提供了理論基礎。
  10. The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible

    本文應用測井參數的bp神經網路裂縫綜合識別方法、三維地震裂縫檢測技術，預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律；並用有限元法數值模擬技術展示出不同主力油層的平面古應力狀態，為研究裂縫的平面分佈規律提供了理論依據；在此基礎上，依據巖石破裂準則進行了構造裂縫定量預測。
  11. In this paper ， the design characteristics and development situatution of powerformer are introduced ； the structure of prototype is studied ， and three dimension end region entity model of powerformer stator is established ； the theory of analyzing end region eddy magnetic field of stator by finite element method is studied ； end region magnetic field of stator is analyzed and the numerical value of end region leakage reactance of stator is calculated

    本文介紹了powerformer的設計特點和發展現狀；研究了其樣機本體結構，並建立了定子端部三維實體模型；研究了用有限元法分析定子端部渦流磁場的理論基礎；用有限元法分析了定子端部磁場並計算出了定子端部漏抗值。
  12. Based on the results of previous researchers, the following instigations have been carried out in this paper : ( 1 ) employing a reasonable local resonance model which can accurately embody the heat - generation behavior due to resonance and vibration - heat mode in delaminated region, the dynamic response and temperature distribution in the small delamination region of a laminated beam are formulated. influence of the excitation frequency on the temperature gradient formation is analyzed numerically, and several meaningful conclusions are drawn. ( 2 ) for laminated plates with delaminations, due to complexity of the analytical solution, the finite element method is employed to analyze their temperature distributions and satisfactory results are also obtained

    本文在前人研究的基礎上，對此方法進行了進一步的探討，主要做了以下的工作： （ 1 ）選取合理的、能夠準確反映由共振而產生熱量的行為的局部響應模型，以及合理的振動熱模式，推導了一維層合梁小脫層區域的振動響應及梁的溫度分佈，並編製程序計算了該層合梁在激勵一段時間后的溫度分佈趨勢，分析了激勵頻率對溫度梯度形成的影響，得到了一些有意義的結論； （ 2 ）對於二維層合板，由於解析解的形式異常復雜，本文採用有限元計算軟體對其溫度分佈進行了分析，也得到了較為滿意的結果。
  13. The aim of study is getting through the engineering project successfully. at first, the integral bearing capacity of slts is calculated and analyzed. using precise finite element analysis, operation state of latticed truss structure during the elastic phase can be mastered, and key inspect regions, namely weak enduring region, can be seek through results analysis

    研究工作以工程項目的順利完工為最終目的，所採取的研究路線為先就整個網架結構的整體承載性能出發，通過精確的有限元分析方法掌握結構在彈性工作階段的工作狀態，並通過分析計算結果尋求關鍵監測區域，即網架結構承載的薄弱環節。
  14. Finite element analysis on flexural loading capacity of composite slim beam with deep deck in the hogging moment region

    負彎矩區深肋組合扁梁抗彎性能的有限元分析
  15. On the great deal of detailed geological mapping resource, this thesis has in - depthly studied the tectonic geometry, kinetics, dynamics and the meaning in the development of the crust of this region by means of structure resolution, macrostructral and microstructural observation, finite strain measurement

    論文以大量翔實的野外資料為依據，通過構造解析、宏微觀構造觀察、有限應變測量等方法對該區構造的幾何學、運動學、動力學以及其在陸殼演化中的意義進行了較深入的探討。
  16. In the external region, heat transfer between the u - tube borehole and the ground is considered with a model of a finite line - source in a semi - infinite medium, and it is the first time to achieve an analytical solution of the temperature distribution for a such a transient two - dimensional conduction problem by means of the green - function method

    對單個鉆孔的傳熱劃分為兩個區域分別進行研究。在鉆孔周圍區域，將豎直u型管的傳熱簡化為有限長線熱源的傳熱問題，採用格林函數法首次得到了有限長線熱源溫度分佈的解析解。
  17. When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse

    在引入新的無量綱的時間參數后，通過建立相應的動量-沖量的一階微分方程，在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程，得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法，即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。
  18. So it is necessary to reflect the inner reality physical field ' s numerical number analogy method to analysis and improve the magnetic field and the computing accuracy of the cable ' s eddy - current detection. Ｔ his affords helping for the researching of biased cable instrument in the future. first open domain electric magnetic problem ' s breaking method is done with, which supposing fictitious boundary far away from the region. second breaking the infinite region into the finite region and supposing the electric magnetic is too small to be ignored

    通過採用目前處理開域電磁場問題的截斷法，人為地設定一個遠離待求區域的虛擬邊界，將無限區域截斷為有限區域，且認為在該邊界外面的電磁場已衰減得足夠小，小到可以忽略不計，從而令邊界上的電磁場場量為零，在此有限區域內採用較為成熟的Ａ ， Ａ法，並且併入庫侖規范建立數學模型。
  19. The mathematical model and boundary condition of soil temperature field in finite region was established through analysis geometry model of underground heat oil pipeline

    通過分析埋地熱油管道的幾何特性建立有限區域內停輸時熱油管道土壤數學模型和確定邊界條件。
  20. An one - dimensional iterative chaotic self - map with infinite collapses within the finite region [ - 1, 1 ] is used due to the better characteristics of chaos than some representative iterative chaotic maps with finite collapses

    該方法利用了一類在有限區域范圍內摺疊次數無限的一維疊代混沌自映射進行混沌搜索，比一般的有限摺疊次數疊代混沌自映射具有更好的混沌特性。
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