理論邊界 的英文怎麼說

中文拼音 [lúnbiānjiè]
理論邊界 英文
theoretical boundary
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : 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...
  • : 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...
  • 理論 : theory
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area

    西安工大學碩士學位文最後,在visualfortran環境下給出了這種演算法的具體實現,處模擬粒子圖像的結果與模擬數據比較吻合,最大位移絕對誤差在x方向是0 . 6671像素,在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法(基本的互相關法)在絕大部分點是相同的,只在少數點相差一個像素,而且大多出現在區域。
  2. A new approach to extract corners on the boundary was proposed. theoretical and experimental show that the algorithm is antinoise strongly and the corners are stabile

    摘要給出兩種新的提取圖像角點的新方法。和實驗表明,演算法具有較強的抗噪性,而且提取出的角點穩定。
  3. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶面上的研究仍存在許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處,必須先將得到的有限元計算結果進行再處,因此在演算法上分為兩部分:求任意剖面上物量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為基礎,利用線性插值方法得到截面與單元棱的交點坐標及交點物量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。
  4. 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

    綜合介紹了元法在聲輻射問題上的及應用;並給出了運用元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和元法的耦合及組合分析方法,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。
  5. Due to nonlinear bottom boundary condition, the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime. the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies

    由於非線性條件的使用,前人處有限地形上內潮的產生問題只能求助於射線,本文提出的坐標變換將若干海底地形變換成平底,從而使得利用特徵值方法研究這些地形上的內潮生成問題成為可能。
  6. In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution

    本文在簡要介紹了helfrich的彈性及膜方程的基礎上,開創性地引入taylor級數法,在軸對稱膜的條件下,對helfrich膜方程以taylor級數法求解,統一地得到了目前已知的兩個特解:常平均曲率曲面和紅血球形狀解。
  7. The first part is introduction, presenting this paper ' s structure, research background and so on ; the second part introduces some issues relating closely to risk, the tangency point between indifference utility curve and efficient frontier is the optimal portfolio ; the third part explores risk evaluation, this part begins with some risk factors affecting security ' s price and return, then analyzes the methods evaluating degree of risk, finally, introduces a more popular method of risk evaluation - - var ; the forth part expounds risk management, this part studies some risk control strategies correspond to specific risk mentioned above ; the last part put forward some advice contrapose issues existed in risk management in china

    第一部分為緒,介紹本文的相關背景;第二部分是與風險相關的幾個問題,等效用曲線與有效的切點是投資者選擇的最佳投資組合;第三部分是風險衡量,該部分首先分析了證券與股票所面臨的風險,然後對債券和股票分別介紹,最後介紹了目前比較流行的風險衡量方法? ? var方法;第四部分為企業風險管,這里針對上文所述的風險提出相應的風險控制策略;第五部分針對目前我國風險管中存在的問題提出了幾點建議。
  8. The model contains nose rail, wing rail, locking hooks and all relative components. the crossties are simplified as elastic foundations. thus, the model reveals the real working state of the locking hooks

    文中採用的計算模型包括心軌、翼軌、鎖閉鉤等幾乎所有的相關部件,沒有建模的枕木及地基也做了相應的簡化處,並引入到了條件中,比較真實地反映了鎖閉鉤的真實受力狀態。
  9. 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。
  10. Through indoor tests and field tests this paper has researched the geogrid " s characteristics of application in highway engineering, such as characteristic of intension, creep, endure, damnify in construction etc. based on these researches this paper has also researched the working characteristics of contact face between geogrid and soil and the method of geogrid - reinforced slope analysis. mechanism of geogrid - reinforced slope has been analyzed

    文章通過室內、外試驗,對土工格柵的強度特性、蠕變特性、耐久性能及抗施工損傷性能等工程應用特性進行了研究;在此基礎上,結合室內試驗和分析對土工格柵與土的面工作特性和加筋坡的穩定性分析方法進行了研究,對土工格柵加筋坡機進行了分析;最後結合實體工程,對土工格柵加筋陡坡的施工工藝進行了系統研究。
  11. There are three sections in this paper. the first section : we consider the initial boundary value problem on half line and bounded interval, with kato ' s method for abstract quasi - linear evolution equations and a prior estimates of. solution, we get the existence of global smooth solution and the blow - up of solution in finite time under some conditions

    第一部分:考慮了camassa ? holm方程在半無和有區域上的初值問題,用kato關于擬線性演化方程的初值問題的及先驗估計的方法,證明了整體解的存在性,及在一定條件下,解在有限時間內的blow ? up 。
  12. Some of the links are irrational and imperfective, and the exhortative mechanism does n ' t do much. the article is divided into two parts : the first part is to introduce the evolution, formation and measure of the human capital ' s theory

    本文內容分為兩部分,第一部分介紹人力資本的演變發展及人力資本的形成及測度,給出人力資本的基本特徵,並用數學模型說明人力資本投資的臨點在於際收入等於際成本。
  13. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力條件和通用條件的基礎上提出了一種新的聯合條件方法,它綜合了上述兩種條件的優點,在流場的各種中取得了非常好的效果,經過模塊化的處以後這種條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。
  14. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板,導出了雙向空腹板的平衡微分方程,並通過計算和通用有限元程序ansys結果對比,驗證了其正確性;通過對各類條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工程精度要求。
  15. By introducing proper stretchy variable and constructing boundary layer function, it concludes n - order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved

    通過引進適當的伸長變量,構造層函數,得到了解的n階近似值,並利用微分不等式證明了解的漸近展開式的一致有效性。
  16. In this paper, based on my experiments, the mechanism of pneumatic defrosting of air cooler was studied through the application of thermodynamics, heat and mass transfer, classical theory of nucleation, boundary - layer theory, the theory on gas dynamics

    本文在對氣動除霜進行了實驗研究的基礎之上,應用工程熱力學、傳熱傳質學、晶體成核、氣體動力學等有關知識,從系統的觀點出發,探討了氣動除霜的機
  17. Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method

    在第一部分中,首先從電磁場的基本出發,基於等效原條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的積分方程,並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上,給出了使用基於rwg函數的矩量法求解各種積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電磁建模方法,並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處方法,並基於矩陣束方法( matrixpencilmethod )提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。
  18. Through the analysis to these questions the rational boundary of ntms can be better understand. the conclusions are that the rationality of ntms has a lot to do with its goal. the practices of e

    是:實施非關稅措施的目的與其合有很大關系,而執法者對這些措施的具體適用又會對其是否會轉化為貿易壁壘產生重大影響
  19. Analyzing the necessity of post - family management change by the contingency theory and the human capital theory ; demonstrating the edge of family firm management in private firm in the diagram of cost - income ; concluding the external force and external utility of post - family management change and expanding principal - agent module to conditional principal - agent module for fitting post - family management change

    本文採用權變、人力資本分析后家族管變革的必然性;運用交易成本引申到家族管的運營成本,用成本? ?收益法圖示出家族管;應用路徑依賴分析后家族管的外部約束和外部效用;將委託? ?代延伸到后家族管變革中得出有限委託? ?代制度。
  20. The error bounds of first and second partial derivatives for the two - dimension rational splines produced by the error of boundary conditions are estimated

    條件對二元cv有插值樣條函數的影響,分別建立了兩類值所控制的估計式
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