理論邊限 的英文怎麼說

中文拼音 [lǐlúnbiānxiàn]
理論邊限 英文
theoretical margin
  • 理 : 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 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 邊 : 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...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 理論 : theory
  • 邊限 : margin
  1. 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界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理，必須先將得到的有限元計算結果進行再處理，因此在演算法上分為兩部分：求任意剖面上物理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」為理論基礎，利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值；在此基礎上；根據已得到的單元及節點序號表、應力應變物理量表，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。
  2. 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

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，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。
  3. 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

    由於非線性邊界條件的使用，前人處理有限地形上內潮的產生問題只能求助於射線理論，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。
  4. In the process of designing an effective prompting system for nppe, the dissertation discussed the physical aspect of prompting system in terms of stock prompting and salary prompting, designed a salary prompting scheme for managerial staff, technical staff and operational staff. based on the theory of marginal utility degression in terms of salary and prompting theory, the principle of psychic prompting has been ensured. consulting industrial and other company ' s prompting system, and based on the principle of psychic prompting, psychic prompting system, which shapes an individual and effective psychic prompting scheme in allusion to different staff for nppe, has been established respectively for managerial post, technical post and operational post in allusion to behavior characteristic in different type of worker

    在對東北管道工程有限公司激勵機制設計的過程中，分別從股權激勵和薪酬激勵兩方面研究了該公司的物質激勵機制，並設計了管理人員、技術人員及操作崗位員工的薪酬方案；在論述了薪酬的邊際效價遞減問題的基礎上，根據各種激勵理論，確定了精神激勵機制的原則，參考行業和其他企業的方法，研究了該公司總體精神激勵，針對不同類型員工的行為特點分別對管理崗、技術崗、操作崗確定了相應的精神激勵機制，形成東北管道公司對不同員工獨特的而有效的精神激勵機制方案。
  5. 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方程在半無界和有界區域上的初邊值問題，用kato關于擬線性演化方程的初值問題的理論及先驗估計的方法，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 。
  6. 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

    本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界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。
  7. Based on the back - analysis data of some excavation stage, through the non - linear finite element program nef, we can predict the tendency of next excavation stage. the relative error between calculation and measurement is controlled in 25 %, demonstrate the estimate prediction is successful

    根據反演的某一階段的土體參數值，通過非線性有限元程序nfp ，預測后一階段的邊坡變形情況，實例中理論計算值與實測值的相對誤差控制在25 %以內，說明預測是成功的。
  8. A related set of " quantum gravity " theories postulates the existence of parallel universes - some perhaps mutant versions of our own, like " bizarro world " in the old superman comics - existing beyond the borders of our little cosmos. " infinite earths in parallel universes really exist, " the normally sober scientific american once hyperventilated on its cover

    一些相關的「量子重力」理論設定存在多個平行的宇宙，其中一些，就像老版超人喜劇中的那個「伊扎爾世界」 ，是我們這個宇宙的變異，它們存在於我們小小宇宙的邊緣之外，正常而清醒的《科學美國人》雜志有一次在封面上用粗體字醒目地寫著： 「無限個地球真實地存在於多個平行的宇宙間。 」
  9. Based on study above, apply the maximum equilibrium method and the block theory to analyse and evaluate the man - made slope stability. at last, the remedy measures has been presented

    在此基礎上，采剛極限平衡理論和塊體理論對工程邊坡穩定性進行分析評價，據此提出邊坡的整治建議。
  10. The main popular theoretical method adopted to study end - plate connection is finite element technique under monotonic loading at present. this paper applies nonlinear ( material, geometry and contact ) finite element method to analyze the behaviors of connections under cyclic load at fist time. contact elements are set between end plate and column flange, screw cap and neighborhood plane, bolt bar and hole

    對于端板連接的理論分析，目前國內外的研究主要局限在單向加載有限元分析范疇，本文首次採用三維非線性（包括材料、幾何與狀態非線性）有限元對端板連接進行了循環加載分析，端板與柱翼緣間、螺栓頭（帽）與相鄰板件間、螺栓桿與孔壁間都設置了反映邊界狀態的接觸單元。
  11. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ，針對非文克爾地基（半空間、線性變形層或單向壓縮層地基模型等）上的樁基承臺梁，提出一種利用地基柔度矩陣來進行迭代的有限單元法，可充分考慮梁下土體的連續性，並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。
  12. 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。
  13. This paper firstly extends the thermal elastoplastic deformation theory of trilayered materials derived by suresh et al and abolishes the restrictive assumption to the monodirectional spread of plastic zone in the original model and the thermal elastoplastic analysis model which reflects the complete history of thermal elastoplastic deformation of the multilayered materials is built. this model can be also applied to the condition of the spread of plastic zones from both sides of plastic layers and has more applicability compared to suresh et al ' s model

    論文首先推廣了suresh等人建立的三疊層材料熱彈塑性變形理論，取消了原理論模型中塑性區域單向擴展的限制性假設，建立了反映疊層材料完整熱彈塑性變形歷史的熱彈塑性行為分析模型，該模型同時適用於塑性層的塑性區域雙邊擴展的情況，較suresh等人的模型適用性更為廣泛。
  14. The markov chains ' analysis results show that the expected casualty of the former form is the same as one of the latter form at unknown or infinite mine - field boundary, the expected casualty of the former form is less than one of the latter form at known or finite mine - field boundary

    根據馬爾可夫過程理論的分析，可以比較出2種清掃模式下掃雷艇期望損失在雷區邊界未知或無限時是相同的，而對邊界已知的有限雷區，邊緣漸進模式的期望損失比中心航道模式小。
  15. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  16. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題，隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微，因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此，中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上，提出了控制束暈?混沌的非線性控制策略，即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g ：並選取一些非線性函數如等進行了控制的模擬研究，將束暈強度控制在0 . 1078左右，取得了初步的控制效果。
  17. Second, this paper analyzes the relation of reactive support service with voltage, power limit curve, transaction amounts. according to the power limit curve, this paper analyzes the source of the reactive cost to get an interzone cost function. using marginal cost theory, it concludes that the reactive spot price is the derivative of the cost function in generator buses

    另外，本文還從發電機角度上分析了無功服務與電壓、功率限制曲線、發電機向負荷傳輸電能大小的關系；根據功率限制曲線對發電機無功成本的來源進行詳盡剖析，從理論上確定一個分區間的成本函數；並依據短期邊際成本理論可推出，計算發電機節點的電價可採用無功成本函數的偏導數的方法。
  18. Based on the discuss of the geologic environment of the high slope of spandrel groove jinping i hydroelectric power station. and the engineering geological conditions of rock mass are carefully studied in the paper. the modified csmr are adopted to perform the classification of the slope rock mass, the results of which are combined with the macroscopic stability of the high slope. on the basis of these, the methods of geological diagnosis and the finite element analysis are applied to analyze and compute the overall stability of the high slope

    本文在闡明錦屏一級水電站壩區巖體的形成和演化特徵的基礎上，詳細研究了拱肩槽高邊坡巖體的結構特徵及岸坡巖體淺表生改造特徵，建立了岸坡巖體淺表生改造與岸坡演化模式，分析研究了巖體的物理力學性質，採用修正的csmr法對拱肩槽高邊坡的巖體質量進行分級研究，在此上基礎之上，採用地質分析判斷和有限元分析等方法，對高邊坡整體穩定性進行了系統分析、計算與評價；應用塊體理論對高邊坡的局部穩定性進行了分析計算，確定局部不穩定塊體的規模、出露范圍，從而對拱肩槽高邊坡的局部穩定性有了系統全面的認識和了解。
  19. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  20. Parameters influencing aerodynamic flows and transition and influence of boundary layers on outer potential flow are presented, along with associated stall and drag mechanisms

    而邊界層理論受限於各種流體種類的假設，像是可壓縮性、紊流、維度和熱傳。
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