quadrilateral造句

• 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
  本文采用八结点四边形等参元来离散土体与围护结构，用有限元数值方法，对照实际工程，对黄土地区深基坑开挖与支护体系的各种性状进行了分析。
• On the one hand , the shape function should be constructed on k because it is impossible to construct it directly on a arbitrary quadrilateral , on the other hand tin1 shape function on k , not on k , should have some continuity across the boundaries of k to ensure the convergence
  )上构造形函数，因为不可能在任意四边形上构造形函数；另一方面，为了保证收敛性， k上的形函数(而非( ? )上的)跨越k的边界应具有某种连续性。但是，由于从参考元(
• In order to avoid the difficulty in computing the general inverse of flexible matrix in legendre transformation , this paper studies the mixed coordinates formulation for some quadrilateral plate bending elements instead of fully formulating in ( e , n ) plane for their original plane elasticity elements
  为了克服legendre变换中对单元柔度阵求广义逆的困难，对于原平面弹性单元是在参考坐标系中列式的情形，本文研究了在弯矩函数空间的混合坐标列式。
• The data structure used to express n - sided region is easy to edit and maintain , which provides good basis for developing interactive operation functions and partitioning quadrilateral region . a method of quadrilateral region partitioning of triangle mesh is put forward . a simple and effective method with rapid calculation is proposed to compute the shortest route between two points of the mesh
  研究并实现了三角网格模型的数据分块算法，在分块结果的基础上建立了n边界区域结构，该结构易于编辑和维护，为开发用户交互操作功能和进行四边界区域划分提供了很好的基础。
• 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
  为了提高计算精度，本文应用六结点曲边四边形单元插值函数加密梁格影响面，与矩形单元拉格朗日插值及三角平面插值方法相比，不但提高了计算精度，且更适于曲杆梁格分析。
• It is emphatically detailed about how to design and develop a full - quadrilateral finite elements mesh generator ( graphfem vl . o ) in the third chapter , including the algorithms taken used of to improve the program function and raise the grid quality . in the end of this chapter some examples are included to illustrate the validity of the program
  第二章重点说明了一个基于模板法的全四边形有限元网格自动生成器( graphfemv1 . 0 )的研制细节，其中包括一些为改善程序性能、提高网格质量所采用的算法，本章末尾通过一些实例来说明了程序的有效性。
• The quadrilateral mesh and a special kind of linear basis function is selected on the rooftop so that the treatment of the attachment of the wire antenna to the surface patch is easier than other methods reported in literatures . using the proposed method , the analyses and prediction of electro - magnetic compatibility of the electrically small conducting structure are achieved , which provides a theoretical guidance in the system level design
  在使用矩量法的过程中，山于在金属物体表面运用四边形面元进行剖分，并在面元上选择了一种特殊的线性基函数，园时在细天线和面元的连接处使用了改进了的方法，使得在处理细天线与面元电流相连接的部分较之以往文献提到的方法更为简单。
• 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 、阐述了地下埋管有限元分析的原理、方法和步骤，给出了有限元分析的主要计算公式，并编制了包含四边形8结点等参单元和一维3结点等参单元的钢筋混凝土管道有限元计算程序。