quadrilateral element 中文意思是什麼

quadrilateral element 解釋
四邊單元體
  • quadrilateral : adj. 1. 四邊（形）的。2. 四方面的。n. 1. 【數學】四邊形。2. 方形物，方形地；【軍事】（四邊有四座堡壘防禦的）方形要塞[地區]。
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  1. For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed

    摘要針對一類帶間斷系數的橢圓邊值問題，在非結構四邊形剖分下，討論了兩種二次拉格朗日有限元方程的代數多重網格法，通過利用雙線性元和二次元基函數之間的表示關系，給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。
  2. So this article use arbitrary quadrilateral thick and thin balsa universal element

    因此本文採用的是任意四邊形厚薄板通用單元。
  3. Programming of isoperimetric quadrilateral element based on matlab

    的四結點等參元的編程
  4. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程；提取穩態單元集節點形成截面網格；利用隱式積分方法分析軋制道次間隙瞬態溫度場；對型鋼斷面進行平面四邊形網格劃分並映射節點溫度數據；利用六面體單元構建有限元分析模型，映射單元節點的溫度、積分點的等效塑性應變，進行數值分析。
  5. At the same time, the computing program is written by vc + +. in the program quadrilateral isoparametric element is used to calculate its temperature field and thermal stress field

    選取四邊形等參元來計算軸對稱問題中的溫度場和熱應力場，用vc + +編制計算程序。
  6. A new quadrilateral bi - linear thin plate element based on the membrane - plate similarity theory

    一個基於膜板比擬理論的四邊形雙線性薄板單元
  7. Quadrilateral thin shell element based on area coordinate for dynamic explicit analysis

    薄板成形動力顯式有限元演算法與面積坐標四邊形單元模型
  8. To improve computing precision, the latter applies interpolating function of curved - quadrilateral element containing six npdes to thicking the influence surface of grillage. compared with lagrangian interpolation for rectangular element and triangle plane interpolation, this way not only improves computing precision but be more suitable for the curved - bar grillage analyzing method introduced this paper

    為了提高計算精度，本文應用六結點曲邊四邊形單元插值函數加密梁格影響面，與矩形單元拉格朗日插值及三角平面插值方法相比，不但提高了計算精度，且更適于曲桿梁格分析。
  9. Eight - nodded curvilinear quadrilateral isoparametric shell element is used both in the fem and in the bem

    在有限元方法和邊界元法中均採用了八結點曲面四邊形等參單元。
  10. In this paper, 8 - node isoparametric quadrilateral element is used to divide the soil and retaining structure. comparing to practical engineering, the numerical method - finite element method is used to analyze every behavior of deep foundation excavating and retaining in loess area

    本文採用八結點四邊形等參元來離散土體與圍護結構，用有限元數值方法，對照實際工程，對黃土地區深基坑開挖與支護體系的各種性狀進行了分析。
  11. Based on the above algorithm, a preprocessing software system special for computer simulation of sheet metal forming processes has been developed. for giving cad model of tool surfaces, the algorithm provided in this paper can fully automatically generate quadrilateral finite element meshes from nc track points of tool surfaces, which include the punch, the blank holder, the blank and the die

    對于給定的cad模型，本文通過cam數控編程獲得的nc軌跡，能夠自動生成沖頭、壓邊圈、板料和凹模的全四邊形網格，避免了基於cad模型網格生成演算法通常所需的幾何修復時間，大大提高了cae建模效率，降低了建模勞動強度。
  12. Min yang, a second - order finite volume element method on quadrilateral meshes for elliptic equations ， esaim : m2an ， accepted

    楊? ，袁益讓，半正定兩相驅動問題的多步有限體積方法及其理論分析，系統科學與數學， 2006 ， 26 （ 5 ）
  13. The grid auto - generation of the inner and outer domains is carried out by generating a small number of quadrilateral super elements and each super element then further discretized into smaller elements

    內、外兩層區域的網格自動生成，先將各區域劃分為數量較少的四邊形超單元，然後對各超單元逐個剖分。
  14. Rannacher, r. turek, s., simple nonconforming quadrilateral stokes element, numer. methods for partical differential equations, 8 ( 1992 ) 97 - 111

    胡健偉，湯懷民，微分方程數值方法，科學出版社，北京， 1999
  15. Using our method we have presented the anisotropic estimations of both interpola - tion errors and consistency errors for these two elements. quasi - wilson ' s element is a nonconforming element for arbitrary quadrilateral meshes. we have proved that the quasi - wilson element is anisotropic - convergent for narrow quadrilateral meshes

    我們給出wilso ， ，元和a 111 ， ，元的插值誤差和相容誤差的各向異性估計類wilson元是任意四邊形上的非協調元，我們證明了類wils （ ） l ，元的各向異性收斂性，給出能量模和護一模的各向異性誤差估計
  16. The principal laws of elastic and elasto - plastic materials are presented. formulation of 2 - d isoparametric quadrilateral element is done for finite element analysis

    為了進行有限元分析選用了平面四結點四邊形等參數單元，作出了相應的公式推導。
  17. An algebraic multigrid method of quadratic lagrangian finite element equations under the unstructured quadrilateral grids

    求解非結構四邊形二次拉格朗日有限元方程的代數多重網格法
  18. The model adopts eight - nodes isoparametric quadrilateral element, drucker - prager ideal elastic - plastic stress - strain model and the contact element, which is used to simulate the interface between the wall and soil. accordingly, a flow chart about the arithmetic of contact is introduced in this paper

    模型採用八結點等參平面四邊形單元、 drucker - prager理想彈塑性本構模型以及用接觸面單元模擬了土與圍護結構的相互作用，並給出了相應的接觸面模擬的接觸演算法流程。
  19. The benchmark data for theoretical analysis are obtained by calculation results of finite element models. in order to have a sound finite element model, the plastic quadrilateral shell elements model established in 1996 by bahaari and sherbourne is improved by using solid 8 nodes elements in ansys programs

    為了使理論分析有充分而且精確的基本數據，本文改進了bahaari和sherbourne提出的四邊形塑性殼單元有限元模型，建立了能夠考慮焊縫、摩擦力和預應力等因素影響的端板連接節點的三維實體單元有限元模型。
  20. Secondly, the dissertation summarizes the fundamental principle of finite element analysis on conduit subway, introduces the main calculation formula for finite element analysis, and then it develops reinforced concrete finite element calculation computer program which includes quadrilateral 8 nodes isoparametric element and one - dimensional 3 nodes isoparametric element

    2 、闡述了地下埋管有限元分析的原理、方法和步驟，給出了有限元分析的主要計算公式，並編制了包含四邊形8結點等參單元和一維3結點等參單元的鋼筋混凝土管道有限元計算程序。
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