triangular element 中文意思是什麼

triangular element 解釋
三角形單元
  • triangular : adj 三角（形）的；由三個部分構成的，三重的；三方面的（斗爭等）；三國間的（條約等）。 triangular c...
  • 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. Furthermore, we made a great deal of numerical experiments and the numerical results suggest that the new 9 parameters triangular element is more effective than robust element, and the new 12 parameters rectangular element is more effective than the 12 parameters one in [ 5 ], acm, and the non - complete biquadratic rectangular element

    0 ）的收斂性，並進行了大量數值實驗，結果表明：新的9參三角形元比robust非協調元，新的12參矩形元已有的12參矩形元， acm元，不完全雙二次矩形元數值效果都要好
  2. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  3. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上，本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析，即在空間域內採用有限元網格劃分，在時間域內採用有限差分網格劃分，據此編制了計算程序，計算結果與試驗數據符合較好，程序穩定性好，精度滿足要求。
  4. The finite element equation for linear and nonlinear panel flutter analysis using the triangular three nodal mindlin element ( min3 ) which considers the first order shear strain in the plate is formulated

    （ 3 ）使用三結點三角形mindlin板單元（ min3單元）推導了壁板熱顫振的有限元方程。
  5. 4. triangular diagram of the sandstone clastic compositions and the relationship diagram of major element suggest that the proto basin of the clastic rock of the yanbian group was a forearc basin, which was in an active continental margin

    鹽邊群碎屑巖碎屑骨架顆粒統計分析結果和砂巖常量元素構造環境判斷圖解顯示，它們所處的構造環境為活動大陸邊緣，初步判定它們的原型盆地為弧前盆地。
  6. Analytical trial function method for developing a triangular thick plate element based on a thin plate element

    將三角形薄板元推廣為厚板元的解析試函數法
  7. Analysis of local effect of triangular plate element

    三角形板單元的局部效應分析
  8. Degenerated triangular prism plate element

    三稜柱實體板單元
  9. Through the analysis and calculation the conclusion can be made that during the process of the timbering of excavation, the magnitude of soil stress decreases with the increase of the displacement on the base of the still earth pressure, and the earth pressure distribution varies from the triangular distribution of the still earth pressure to other distribution with the displacement of the timbering structure. the thesis introduces the bedding coefficient in the horizontal direction varying with the soil displacement from soil - structure interaction mode, therefore calculation can be made to get more rational calculation result using elastic foundation finite element method which is the same to timbering structure both upwards and under excavation surface

    通過分析計算可以得出，在基坑支護過程中，土壓力的大小在靜止土壓力值的基礎上隨支護結構向坑內側位移增大而減小；土壓力的分佈由靜止土壓力的三角形分佈隨支護結構位移變化成其它分佈；由土-結構共同作用模式引入隨土體位移變化的水平向基床系數，使支護結構在開挖面以上部分同以下部分一樣，均可採用彈性地基有限元法進行計算，得出更為合理的計算結果。
  10. Recently professor shi, dongyang etc. have constructed a new 9 parameters triangular element and a new 12 parameters rectangular one by introducing bubble functions and double set parameter method [ 2 ]. it is proved that they are convergent to ( 1. 0 )

    石東洋教授等通過引進bubble函數和雙參數技術構造了新的9參三角形元和12參矩形雙參數元，我們分析了其對（ 1
  11. A new method that can be used to analyze the developability of a curved surfaces " mesh is proposed based on gaussian theory of mapping a curved surface onto a unit global surface. 3. a new method is proposed to homo - topologically map a triangular finite element mesh into a planar shape based on the assumption that the surface deformation is continuous and homogeneous

    3 、根據曲面變形連續均勻的特點，提出了一種基於單元等變形的三角形曲面網格拓撲等價映射演算法，將可展曲面與不可展曲面的網格採用統一的形式展開到平面上。
  12. Derivation and analytical process of calculating shears in triangular element with finite element methods are given

    基於上述關系推導了三角形薄板單元的剪力求解過程，然後給出了具體的分析步驟。
  13. Surface reconstruction is one of key techniques in reverse engineering. based on unorganized discrete points come from finite element analysis triangular mesh on exterior surface of the aeroengine hollow turbine blade, this dissertation studied some related problems, such as scattered data preprocessing, quadrangle partition and surface reconstruction technology

    曲面重構是逆向工程研究的重要內容之一，本文基於航空發動機空心渦輪葉片外表面的有限元三角網格離散點，對離散數據點的預處理、四邊域劃分及曲面重構技術進行了研究。
  14. The 3 - node triangular flat shell element, which is included in the element libraries of most famous commercial fem softwares, is widely used because of its outstanding merits. therefore, a great deal of attention has been paid to develop an efficient model

    平板型殼元是一種應用廣泛的殼體單元，大多數現行著名商用有限元軟體的單元庫中都包含有該單元類型，對該類單元的研究也是學術界感興趣問題之一。
  15. Large preconditioning symmetric finite volume element systems on triangular mesh

    一種三角形網格下保對稱有限體元方法的預條件技術
  16. This dissertation applies 3 - d finite element theory to development of the shape functions and stiffness matrixes of the triangular prism isoparameter elements ( 6 to 15 nodes ). a calculating method for gaussian integral in triangular prism is presented. the stress field in welded steel structures can be computed by the triangular prism isoparameter elements ( 6 to 15 nodes ) and hexahedron isoparameter elements ( 8 to 21 nodes )

    本文應用三維有限元理論，構造了一類五面體6 15節點單元的形函數，提出了在五面體單元內的gauss積分處理方法，建立了相應的單元剛度矩陣，將其與六面體8 21節點單元結合，可用於計算焊接鋼結構的應力場。
  17. Expanded mixed element method of elliptic problem under triangular grids

    橢圓問題在三角網格剖分下的擴展混合體積元方法
  18. First, we present the equivalent variatial formulations of the least - squares mixed method and prove the existence and uniques for the weak problems. on the basis of l2 - projections and raviart - thomas projections, we obtain the superconvergence of the least - squares mixed finite element approx - imations on uniform triangulations, where triangular mixed finite elements of the lowest order raviart - thomas spaces are used to approximate the flux p. in the second chapter, we briefly recall the standard and mixed finite methods for second order elliptic problems, and introduce a modified least - squares mixed method

    作者首先導出了最小二乘混合元方法的等價變分形式，並且證明了變分問題廣義解的存在唯一性；在此基礎上，我們採用強一致三角形剖分，選取最低階的raviar - thomas空間對未知函數的通量進行逼近，利用l ~ 2投影和raviart - thomas投影，得到了插值投影和最小二乘混合元解之間的超收斂結果。
  19. An algorithm for the generation of triangular finite element controlled by the element - size space

    由粒度空間控制的有限元三角網格剖分演算法
  20. A new higher - order shear deformation theory based on global - local superposition and refined triangular plate element of composite laminate

    局部高階剪切變形理論及層合板精化三角形單元
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