| 1. | Research on optimization process of quadrilateral mesh
四边形网格的优化处理研究 |
| 2. | 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 |
| 3. | This means that the nine - point scheme does not apply to irregular quadrangle grids
换言之，该格式不适应于一般的不规则四边形网格。 |
| 4. | Structured quad mesh generation of curved surfaces and method of locally adding mesh density based on mapping approach
基于映射法的曲面结构化四边形网格剖分及局部加密技术 |
| 5. | An optimization disposal algorithm of edges in generating quadrangular meshes based on non - closing cloud data is proposed
摘要提出了一种非封闭曲面的海量空间数据点四边形网格划分过程中的边界优化处理算法。 |
| 6. | In order to deal with different kinds of building shapes , body - fitted quadrilateral grids are arranged in the inner domain and rectangle girds in the outer domain
为适应不同建筑体型的需要，本文提出在内层区域布置贴体的任意四边形网格，而在外围区域布置直角坐标矩形网格的分层网格离散模式。 |
| 7. | The main results obtained in this paper are as follows : ( 1 ) it is discovered that the nine - point difference scheme is not consistent over any irregular quadrangle grid except that the grid is consists of some congruent parallelograms
所获主要结果如下： ( 1 )通过大量数值试验和理论分析，揭露了九点差分格式在不规则四边形网格上按经典意义不相容的缺点。 |
| 8. | Under opengl environment , we use four - side grids to reconstruct a worm surface and gain a solid modeling of worm . under the computer virtual reality environment , we simulate the manufacturing process of dual generating method
在此基础上，在opengl编程环境下，以四边形网格构造蜗杆理论型面，以边界表示法中的半边数据结构表达蜗杆实体，获得蜗杆的三维实体模型及其型面数据。 |
| 9. | In fact , we have done theoretical analysis and a series of numerical experiments , which show that for the nine - point scheme applied to a system of two - dimension three - temperature equations over an irregular quadrangle grid , both the local accuracy and global accuracy are very disappointing
事实表明九点格式仅在均匀平行四边形网格上具有较好精度，在一般的不规则四边形网格上，其局部及整体精度都是非常令人失望的。 |
| 10. | In order to solve two - dimension three - temperature energy equations over an irregular quadrangle grid , a lot of researches have been done in literature , and several different approaches have been proposed , such as five - point difference scheme , nine - point difference scheme , flux iteration scheme , finite element scheme , etc . up to now , the nine - point difference scheme is in general recognized as the better one and is used more generally
为了在不规则四边形网格上求解二维三温能量方程，长期以来人们已作了大量研究，先后提出了五点差分格式、九点差分格式、流迭代格式及有限元格式等等。迄今为止，人们公认较好且应用较广的是九点差分格式。 |
