首先生成二维网格基面,选取三维场域的最复杂截面进行二维剖分,然后再将二维网格拉伸成三维网格。
A double-dimension grid is formed first, then the choosing complicated cross section is analyzed and last the three-dimension grid is formed by stretching the double -dimension grid.
在生成三维随机球形骨料模型的基础上,研究了形成随机凸多面体骨料模型的方法,并利用FORTRAN语言编制凸多面体骨料生成程序和细观有限元网格剖分程序。
FORTRAN program to generate random convex polyhedron aggregate based on the topology of spherical aggregates and the codes of the mesoscale structured finite element grids of concrete is developed.
第五章对三维有限元网格的生成方法进行了介绍,并指出三维有限元网格剖分的发展趋势和方向。
The fifth chapter introduces some three-dimensional FEM mesh generation methods, and points out the trend of them.
本文从三维编织复合材料的细观单胞模型出发,将结构单胞作为离散单元对三维编织复合材料进行宏观网格剖分,建立了细观单胞元刚度矩阵的求解方法。
Based on the unit-cell model of 3-d braided composites, the composite structure is meshed by the unit cells, then the stiffness of the cell-element is formulated.
该方法对人脸特征点集做三角剖分,在纹理图像和三维网格之间建立了一个准确的拓扑同构映射关系,从而得到高真实度的纹理映射。
Applying a D-triangulation on the facial feature points, a precise and topological isomorphic mapping is established between 3d mesh and texture. The texture mapping with high quality can be obtained.
本文针对带有间断系数的三维椭圆问题,讨论任意四面体剖分下的二次拉格朗日有限元方程的代数多重网格法。
In this paper, we consider a quadratic Lagrangian finite element equation arising from discretizations of 3d elliptic problem with jump coefficients under any tetrahedral partition.
该法较好地解决了由计算对象边界复杂、材料分区多变带来的有限元三维网格自动剖分的困难。
The method overcomes the difficulty induced by complicated boundary and changeable materials of calculated objectives in auto-generation of the 3D FEM meshes.
该法较好地解决了由计算对象边界复杂、材料分区多变带来的有限元三维网格自动剖分的困难。
The method overcomes the difficulty induced by complicated boundary and changeable materials of calculated objectives in auto-generation of the 3D FEM meshes.
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