邊界元件 的英文怎麼說

中文拼音 [biānjièyuánjiàn]
邊界元件 英文
boundary element
  • 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...
  • 界 : 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...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手，建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型，揭示了水文地質參數隨機性對管理模型結果的影響，認為參數的隨機性越大，管理結果越壞；置信水平越高，管理結果越壞，且滲透系數和邊界條件對管理結果影響最大。
  2. 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理論基礎； 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，可以計算不同邊界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。
  3. 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。
  4. 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。
  5. Some good characteristics of bem are lost as a significant cost ; the contact boundary conditions can not be satisfied on whole boundary, even in the sense of discretization

    付出的代價是喪失了邊界元法原有的一些優良特性，接觸邊界條件在離散意義下也不能再在整個邊界單元上精確滿足。
  6. Therefore it is started with the derivation of variational equation, full formulations including contact boundary conditions, internal forces of shell element are given, and the algorithms for contact - surfaces searching, contact - force computation, and even time integration for the response computation are listed as well

    為此，文中從推導變分方程開始，給出了包括接觸邊界條件、殼單元內力計算在內的全部列式，並列出了識別接觸界面的搜索演算法，接觸力計算以及動力響應計算的時間積分演算法的有關公式等等。
  7. In this paper, the bend stress of engine crankshaft was analyzed by the finite element method ( fem ). an one - fouth crankthrow fe model is used to analyze it taking different boundary conditions into account

    本文用有限元法計算分析了發動機曲軸的彎曲應力。採用1 4曲拐有限元模型對不同邊界條件進行了研究，計算了安全系數。
  8. In the fourth chapter, we consider the effect of bus stations on traffic flow. by numerical simulations, we attain the idea results. in the fifth chapter, a multi - speed ca traffic flow model on the one - dimen - sional urban main road on the control of traffic lights is proposed to simulate the traffic under the open boundary conditions

    最後，建立一個交通燈控制下城市主幹道單車道多速元胞自動機交通流模型來模擬在開放性邊界條件下現實城市主幹道交通的車流運動，通過延遲來調整交通中紅綠燈對主幹道車流量的控制，並研究了在交通燈延遲控制下綠信比、交通燈個數對主幹道交通流的影響。
  9. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計
  10. The paper analyzes and discusses the law that the result precision of thermal stress is affected by the proportionments of element border length, border condition, form function and so on, and compares the method with displacement finite element method being used

    分析、討論單元邊長比、邊界條件以及插值函數形式等對熱應力結果精度的影響規律，並與現有的位移有限元方法進行比較、分析、評述。
  11. In this paper, temperature distributions of buried cable were analyzed according to the knowledge of heat transfer, after constructing heat conduction equation and boundary condition, temperature distributions were calculated with the finite element method in which the grids divided into a triangle format

    摘要結合傳熱學知識對地下直埋電纜溫度場進行分析，構造出熱傳導方程和邊界條件后利用有限元法計算了地下電纜的溫度場分佈，計算區域採用三角形單元剖分法。
  12. Based on the theory of cooperation between foundation and structure, paper uses ansys finite element software forming three - dimensional finite element model of. paper also anglicized element type choose, material attribute choose, loading determination, terminal condition determination, anyslys type determination and solution choose, etc. correcting buildings with the method of drawing out soil was analyzed through ninth aspects listed below

    本文借鑒結構設計中的基礎與上部結構共同作用理念，運用ansys有限元分析軟體，在探討了單元類別的選擇、材料屬性選擇、載荷、邊界條件和分析類別的確定、求解器、求解方法與收斂準則的選擇等與有限元建模相關內容的基礎上，建立了上部結構和土體共同作用的三維有限元模型。
  13. The solution of the interior problem has been obtained by the fem method. ensuring the continuity of the tangential electric field across the aperture plane, the electromagnetic e and h has been gained

    分別採用有限元法和矩量法分析封閉腔體和半無限空間的電磁場，在孔徑面上進行邊界條件匹配，從而得出極化雙工柵中的電磁場特性。
  14. Fem with absorbing boundary condition and expansion of discrete chebyshev polynomials for inverse problem of elastic waves

    基於吸收邊界條件的有限元方法和離散切比雪夫展開的二維缺陷識別
  15. Through the excel program, and combining the inside and outside environment of the excavation and stress field and displace field, the data of stress and displacement of points are analyzed in variable depth and load grade and terminal state. the spss software has been applied to the statistics of geometry parameter of failure surface, and the failure surface criterion is created by the linearity regression from d ( the longest horizontal distance between the failure surface and the side face of the slope ), ho ( the depth

    此外，應用spss軟體對試驗破壞滑弧的幾何參數進行統計分析，並對滑弧的最大水平深入距離d及d處至坑底的高度h _ 0結合各水理指標進行多元線性回歸，建立滑面的判據，並對此判據進行修正，且用實際工程對其進行評價，通過反算已知滑面的c 、值，表明邊界條件對破壞形式有極大的干擾作用，所直接看到的破壞類型土體不是發生整體滑移破壞，而是剝落式的潰屈破壞。
  16. Abstract : based on the operation data, the cold start - up and warm start - up curves of a czecho 200 mw steam turbine are worked out according to the operation rules ; the fem calculating models of the temperature field and stress field of the high pressure rotor are established, and the suitable boundary conditions are given ; the temperature field and stress field of the high pressure rotor are calculated and analysized during these two working situation

    文摘:在現場實測數據的基礎上，根據運行規程擬定捷制200mw機組的冷態啟動和溫態啟動曲線；建立高壓轉子溫度場和應力場有限元計算模型，確定相應的邊界條件；計算分析在這兩種工況下高壓轉子的溫度場和熱應力場。
  17. This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects ， definite their boundary conditions ， solute their temperature fields ， and then analyst their bear expansions and distortions as well as thermal stress distribute ， to control the courses ， and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine

    本文對汽輪機轉子和汽缸的二維模型的進行分析，建立有限元模型；將汽輪機轉子和汽缸作為控制對象，確定其邊界條件，求解其溫度場，分析其熱膨脹、熱變形以及熱應力分佈；採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序，作為汽輪機壽命在線監測與管理系統的核心部分，用以指導汽輪機的啟停及運行過程，使機組可以安全的、經濟的運行。
  18. Without any hypothesis of the propeller ' s geometry, the surface panel method satisfy the body surface boundary condition on the fact body surface, and make the geometry representation of the propeller more precise, the mathematical model is more perfect

    面元法是在實際物面上滿足物面邊界條件，沒有對螺旋槳的幾何形狀做任何假設，能更精確地描述螺旋槳的復雜幾何形狀，其數學模型更加完善。
  19. For the boundary nonlinear problems, such as elastic contact problem, the boundary displacements and boundary tractions are just the basic variables of the boundary integral equation, and the contact conditions can be satisfied with higher accuracy in bem ; therefore, the bem can be applied to solve the elastic contact problem more accurately

    對于彈性接觸問題等邊界非線性問題而言，由於邊界位移和邊界面力正是邊界積分方程中的基本未知量，邊界元法能以更高精度滿足接觸條件，因此，邊界元法能更精確地求解彈性接觸問題。
  20. The gap element method is proposed in the paper for two kinds of problems, which include contact problem and gap joint problem. elasticity contact problem falls into the category of unknown boundary value problems. it follows that the contact area and contact conditions or states ( st

    文中給出了間隙元法在空間可動部件接觸問題中的應用，推導了其幾何邊界條件和力學邊界條件，利用虛功原理推導了含間隙元彈性接觸問題的有限元方程式，給出了其數值解法的迭代步驟，並指出了利用間隙單元進行分析的特點。
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