無限元 的英文怎麼說

中文拼音 [wúxiànyuán]
無限元 英文
infinite element
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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
  • 無限 : infinite; limitless; boundless; immeasurable; unlimited
  1. J. r. hendershot and t. j. e. miller, “ design of brushless permanent magnet motors, ” magna physics publishing and clarendon press, 1994

    黃昌圳，有限元素法簡介，高性能無刷馬達設計技術研討會講義， 2003 。
  2. Moreover, the data format required and the way how to plot the finite element map by means of gid software are introduced

    另外，還研究了細觀有限元剖分數據在gid軟體中實現無網格可視化的格式和方法。
  3. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  4. These are known as the nine components of stress and are illustrated with reference to an infinitesimal rectangular element about a point in figure 1. 2.

    它們被稱為應力的九個分量，均示于圖12中一點附近的無限小的平行六面體單元上。
  5. Loss per share the calculation of basic loss per share for the year is based on the following data : 2003 2002 hk 000 hk 000 loss loss for the year used in the calculation of basic loss per share 27, 282 20, 852 shares weighted average number of shares in issue for the purpose of calculation of basic loss per share 240, 000, 000 237, 589, 041 no diluted loss per share are shown because the potential ordinary shares issuable under the companys share option scheme have no dilute effect

    Ii中國附屬公司累計之未動用稅項虧損約為16 ， 936 ， 000港元二零零二年： 11 ， 051 ， 000港元，有關虧損將于有關虧損年度起計五年後屆滿。香港附屬公司累計之未動用稅項虧損37 ， 147 ， 000港元二零零二年： 22 ， 442 ， 000港元可無限期結轉。 iii由於應課稅暫時性差距並不重大，因此未作確認。
  6. Among them, the interface element is used to think of the interface slippage and ripping, and the infinite element is used to reflect the remote effect of infinite foundation soil field

    其中，接觸單元考慮結構與土壤之間的錯動滑移及拉裂，而無限元可有效地反映地基土體無限域的遠場效應。
  7. 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。
  8. Firstly, the paper introduces the principle of instituting contact interface element and the format of integral method for element stiffness matrix ; secondly, because of the zero of displacement and load of soil in the infinite boundary, the unique shape of element stiffness matrix is obtained for coupling the three different elements

    文中首先闡述了接觸元建立的方法以及單元剛度矩陣的積分方法；由於無限遠處的土場位移、地震作用力皆為零，計算中對該單元剛度矩陣的形式不同於四節點等參元，文中推導了平行無限元的單元剛度拒陣方，並介紹了無限元單元剛度矩陣組裝原理。
  9. Infinite element method ; interface problem ; singularity

    無限元方法內邊界問題奇性
  10. 2. finite and infinite element coupling method applied in the paper can not only reflect the scattering phenomenon of waves, but also lessen the amount of calculation. it has significant advantage compared with pure finite element method

    L本文的有限元一無限元耦合分析方法，不僅可以較好地反映波在無限域介質中的能量彌散現象，同時大大減小了計算量，與單純的有限元法相比，具有顯著的優越性。
  11. As for dam ' s dynamic properties in condition of elastic foundation, author uses mapping infinite element, which can reflect displacement ' s property of diminishing in semi - infinite materials. through exchanging data between three analytic software - matlab, ansys, fortran, dynamic properties of dam is computed in condition of elastic foundation. and then the dynamic displacement curve is obtained under the load of earthquake with the method of newmark - b

    對于彈性地基情況下壩體的動力特性，作者採用了能夠反映半無限域介質中位移衰減特性的映射無限元，通過matlab 、 ansys 、 fortran三種計算軟體之間數據交換得出了彈性地基下壩體的動力特性，並通過自編newmark -法程序計算了壩體在地震荷載作用下動位移響應。
  12. Using 3d 20 - node iso - parameter, 3d 12 - node infinite element and 3d 16 - node interface element, a coupled numerical approach for pile group - soil system under lateral loads is set up. a corresponding three - dimensional, nonlinear and elastic - plastic program ( epagpll ), include two materials and four nonlinear constitutive relations, is worked out by fortran 90 computer language. in the analysis the nonlinear e - model, k - g model and cambridge model with two yield surfaces are employed in the analysis of near - field soil, and the nonlinear analysis method is used in the piles - soil interface and distant - field soil

    本人用有限元進行樁體和近域土的分析，對遠域土體採用無限單元，在樁土之間採用接觸面單元，建立了平面8節點環狀單元6節點無限元6節點接觸面單元相耦合的數值計算模型；針對豎直受力樁的流變分析，本人用內嵌于autocad的vba語言編制了前處理程序，可以快速形成包括網格、節點編號、單元編號在內的數據文件，供計算程序使用；同時在前人關于流變問題研究的基礎上，引進土體非線性流變本構模型，利用有限元、無限元、接觸面單元相結合的方法，用c + +語言編制了相應的計算程序。
  13. Besides, based on the theoretical study, a corresponding coupling program with 3 - d elastic - plastic finite element and infinite element is developed. according to the above contents, the effects of stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods are analyzed, the good and bad about different construction methods under the condition of the same kind of surrounding rock are compared, and some useful conclusions are drawn

    此外，在本文理論研究的基礎上開發出相應的三維彈塑性有限元-無限元耦合計算機程序，並據此分析了雪峰山隧道在不同圍巖類別條件下，不同的施工開挖方案對其結構及圍巖穩定性和安全性的影響，比較了相同圍巖條件下各種施工方案的優劣，得出了一些有益的結論。
  14. Finite infinite element method for the acoustic radiating problem

    使用有限元和無限元耦合求解聲輻射問題
  15. Studying on the response of subway tunnel subjected to earthquake loading

    引入無限元的地鐵區間隧道地震反應分析
  16. Infinite element method

    無限元法
  17. The paper research the influence to dynamic property and earthquake response of dam which is situated in yuankou, guangxi, brought about by foundation - dam interaction. the study is based on theories of finite and infinite element, at the same time combining the principle of elastic semi - space

    本文從有限元、無限元原理出發，結合彈性半空間理論，以廣西源口拱壩為例，研究了地基基礎與壩體相互作用對壩體動力特性的影響。
  18. For the interface problems with variable coefficients, it is introduced that a particular finite element method combined with the infinite element method to approach the singular solution in the neighborhood of the singular points, and it is proved that the method possesses the same accuracy as the finite element method to the regular solution

    對變系數內邊界問題，介紹了一種特殊的有限元方法。該方法結合了無限元方法，使在奇點附近的奇性解得到好的逼近。證明了該方法具有與有限元方法對正則解相同的精確度。
  19. In this pattern a new kind of infinite boundary element is developed to reduce wave reflection on the boundary. by this method, a simple and convenient numerical way is worked out and dissipation of the pore press, damping can be taken into account. it can not only solve the problem of material nonlinearity, but also be suitable for the problem of large deformation

    考慮到反射波在計算區域內經多次反射、透射和散射對計算結果可能產生較大的影響，在上述飽和砂土有限元模型的基礎上，建立了一種新的動力無限元計算模型，該模型能滿足工程計算的要求。
  20. Method for linear circuits with element tolerances are also presented. by this method, the double fault general characterization can be calculated by single fault general characterization which can be calculated by single fault feature. this method makes simulation before test more simple. according to the actual project requirements, practical bp algorithm is presented and realized on personal computer. after further optimization and improvements, a subhidden layer bpnn algorithm which support unlimited units is realized

    文中給出的線性電路單故障特徵可根據電路正常狀態下參數值來計算;給出的線性電路雙故障特徵可由元件的單故障特徵來獲得，簡化了測前模擬工作。根據實際項目的要求，在pc機上實現了實用的bp演算法。經過改進，實現了支持無限元的子隱層bp神經網路的核心演算法。
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