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四边形网格
相关语句
  quadrilateral mesh
    Automatic generation of unstructured quadrilateral mesh for complex domain
    复杂区域非结构化四边形网格全自动生成方法
短句来源
    A new quadrilateral mesh generation method based on advancing front technique
    复杂区域四边形网格生成的一种改进方法
短句来源
    In this paper,a new automatic quadrilateral mesh generation method is suggested formulti-medium domain,based on advancing front technique.
    针对多介质平面复杂区域,本文建议了一种基子推进网阵法的全四边形网格自动生成方法。
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  quadrilateral mesh
We present a simple, effective and computationally efficient approach for quadrilateral mesh adaptation.
      
Feature based quadrilateral mesh generation for sculptured surface products
      
By introducing the variable-node elements, which have physical mid-side nodes, some difficulties associated with connecting the different layer patterns, which are common in the adaptive h-refinement on quadrilateral mesh, can be overcome.
      
Rational bicubic simple quadrilateral mesh surfaces
      
Closed, smooth, piecewise bicubic surfaces, defined on simple quadrilateral mesh.
      
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  quadrilateral element
The set of four bars that delineate a quadrilateral element - the unit cell of the micromechanical analysis - is further endowed with a torsion deformation mode.
      
A new element for thin plate of bending with curvilinear boundary-Curvilinear boundary quadrilateral element
      
This paper presents a curvilinear boundary quadrilateral element for the problem of thin plate of bending with curvilinear boundary.
      
What's more the quadrilateral element obtained accordingly for the elastic bending of thick plates demonstrates such advantages as high precision for computation and availability of accurate integration for stiffness matrices.
      
Both, discontinuous tensile splitting and shear banding are examined in square and quadrilateral element, geometries within the frame of associated and non-associated elasto-plastic Rankine-and Drucker-Prager descriptions.
      
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Two methods are presented to analyse the irregular shaped slabs and pseudo-slabs. The finite element method based on grillage analogy is programmed, in which the effects of shear deformation are taken into account, and the concept of isoparametric element is introduced to load distribution for quadrilateral grid. The formulas based on grillage model are developed to calculate the influence surface, and the corresponding program is designed. For the convenience of application, the influence surface is automatically...

Two methods are presented to analyse the irregular shaped slabs and pseudo-slabs. The finite element method based on grillage analogy is programmed, in which the effects of shear deformation are taken into account, and the concept of isoparametric element is introduced to load distribution for quadrilateral grid. The formulas based on grillage model are developed to calculate the influence surface, and the corresponding program is designed. For the convenience of application, the influence surface is automatically given in the form of coutour line, which offers a new way for the design of irregular shaped bridges. The photoelastic coat test results of forked bridge model are in agreement with those by the program. Finally, an example is given.

本文提出了两种方法用于分析、计算平面形状不规则的板或类板结构。利用等效网格模拟异形板或类板结构,编制了计入剪切变形影响的平面格构静力分析程序,其中将等参单元的思想引入任意四边形网格的荷载分配上。随后导出了影响面计算公式,编制了相应的程序,并将所得影响面以等值线的形式用绘图仪自动输出,为异形桥梁的设计计算提供了新的途径。本方法的电算结果与光弹贴片试验结果相此较,两者吻合良好。文末给出了一个实例。

In this paper,a new automatic quadrilateral mesh generation method is suggested formulti-medium domain,based on advancing front technique. The method is appilcable to veryirregular domain and can generate joint element automatically.Mesh enhancing method isprovided and three engineering examples are given.

针对多介质平面复杂区域,本文建议了一种基子推进网阵法的全四边形网格自动生成方法。其特点是对不规则区域适应能力强,考虑了节理单元自动生成。文中提出了网格质量改进方法,并给出了三个工程算例。

This paper will choose the separative model to generate the finite element mesh for the structure of the reinforced concrete. Thereinto, for concrete, we use an approach to automatical quadrilateral mesh generation, and for reinforcing l bar, the unit of one dimension staff is used. The approach in this paper can ensure the quality of the mesh and also make for the finite element analysis of the reinforced concrete.

本文将选用分离式模型对钢筋混凝土平面结构进行有限元网格剖分 ,其中对混凝土结构采用四边形网格的自动剖分方法 ,对钢筋则采用一维杆单元的生成方法。本文所述方法能保证所产生网格的质量 ,有利于钢筋混凝土有限元分析。

 
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