regular hexahedron

Research on the Method of Multi-grid Generation Based on Regular Hexahedron

规则六面体多重网格生成方法的研究

Crystals appearance was similar and appears regular hexahedron structure by observation of scanning electron microscope .

扫描电镜观察为晶体形态均一、为规则的六面体结构。

In this paper we present a new method called wave transmission method , to generate a complex hexahedral mesh model from existing FE regular hexahedron mesh .

介绍将生成或已有的有限元规则六面体单元改变成形状复杂且光滑的六面体单元的一种新技术&波形法。

It is proposed to the finite element analysis of the expansion joint that the calculation accuracy of the models of regular hexahedron elements is higher than the models of tetrahedron and pentahedron elements .

提出在对膨胀节进行有限元分析时，保证其及附近区域内单元都是比较规整、均匀的8节点单元，才能得到较好的计算结果，而使用四面体或五面体得到的计算结果精度较差。

The realization process for the three-dimensional element free Galerkin is studied . The implementation method of the regular hexahedron fixed background cell quadrature technique is introduced . And programming steps for element free Galerkin method are given .

研究了三维无网格伽辽金方法的具体实现过程，给出了规则六面体固定背景网格积分方案的实施方法和EFGM的程序设计步骤。

A set of equations which are used to evaluate the coordinates of main vanishing point and the parameter r of transformation according to a projection of regular hexahedron when main vanishing point is unknown are also provided .

本文还给出了当透视投影图象的主灭点为未知时，根据长方体的透视投影，计算其主灭点的坐标及透视变换参数r的计算公式。

In this thesis , we find a kind of special compound central configuration which is composed of regular hexahedron and regular octahedron , and also we study the necessary and sufficient conditions for regular hexahedron and regular octahedron to form a central configuration .

本文根据中心构型的概念，找出了一类特殊的中心构型&正六面体与正八面体构成的复合式中心构型，给出了正六面体与正八面体构成复合式中心构型的充要条件。

The results show that there exist ZrB_2 and Al_3Zr particles with size of 1 ~ 4 μ m uniformly distributed into the synthesized composites , in which the sectioned morphology of the ZrB_2 particle is similar to regular hexahedron .

XRD和SEM分析表明，合成的复合材料中存在ZrB2和Al3Zr颗粒，颗粒大小为1~4μm，ZrB2颗粒的截面形貌接近于正六边形，且在基体中均匀分布。

A fast mesh generation method with " Slice Method " to generate regular and irregular veridical hexahedron meshes of casting and mold is developed .

本文描述了一个快速生成均匀和非均匀直角六面体网格的切片法网格剖分方法。

This paper tries to generalize the throwing objects from the one dimension pin to the convex curve in two dimension , and even the three dimensional regular tetrahedron and regular hexahedron .

在蒲丰投针问题的基础上，把投掷物由一维的针推广到二维的凸曲线，三维的正四面体、正六面体；