| 1. | Every successive element of fluid undergoes the throttling process in a continuous stream . 在连续的流动中,每一流体元相继地经历节流过程。 |
| 2. | When we speak of a rev we actually mean a volume that may vary within a certain range . 在我们谈到表征体元的时候,实际上指的是可以在一定范围内变化的一个体积。 |
| 3. | Symmetric finite volume element method in icf simulation 数值仿真研究中的保对称有限体元方法 |
| 4. | Optimization and experimentation for 3d topological data model based on component 三维体元拓扑数据模型的改进与实验 |
| 5. | Large preconditioning symmetric finite volume element systems on triangular mesh 一种三角形网格下保对称有限体元方法的预条件技术 |
| 6. | 3 ) the achieving methods of mass terrain construction and object modeling technology were discussed . finally the idea of using terra vista to construct mass terrain and using creator to complete object modeling was accepted 3 )详细探讨了大规模地形建设和体元建模技术的实现方法,并最终确定了利用terravista建设大规模地形、利用creator进行建模的技术方案。 |
| 7. | This method takes generalized tri - prism ( gtp ) as primitive modeling element , realizes inference and automatic modeling of geological structure including faults according to characteristics of borehole data and the knowledge inference rule , which can avoid unnecessary manual intervention , extend applicable range and expressing capability of 3d geological modeling 该方法以广义三棱柱作为建模的基本体元,根据钻孔数据的特点和知识推理规则,进行断层等复杂地质构造的推理和自动建模,避免了不必要的人为干预,扩展了钻孔数据建模的适用范围和表现能力。 |
| 8. | Whereas block element of interface element method ( iem ) could be arbitrary shape , the interfaces between block could describe the phenomenons of slip and crack , analysis of mesomechanics of concrete applying iem is appropriate . the model and arithmetic of iem is introduced in the paper 鉴于界面元离散模型中的块体元可以为任意形状,块体元交界面的界面又能描述滑移或开裂现象,将其应用于混凝土多相材料的细观力学行为分析及其对宏观性能的影响是很合适的。 |
| 9. | Particle system and metaball techniques are introduced from computer graphics to geography . combined with remote sensing in formation model of water erosion on hillslopes rsimweh , the authors put forward the concept of erosion voxel and dynamically display the process of soil erosion by water on hillslopes in 3d space . this is a new probe for 3d gis theory and the paper proves its feasibility through application 从计算机图形学领域引入粒子系统与元球技术,同坡面土壤水蚀遥感信息模型rsimweh结合,提出侵蚀体元的概念,从三维可视化角度动态显示坡面水蚀过程。从三维gis理论上来说,这是一种新的探索,在技术上,结合实际应用证明了其可行性。 |
| 10. | First , the paper summarizes a group building csg entity and makes combination mode of csg entities clear , by abstracting building model and analyzing building graphic objects . depending on this model , the article describes topology relations of the 3d architecture model inner based on the point , line , surface and entity . finally , in the developing environment vc + + , based on the opengl techniques , 3d building model of tyut office building is implemented by csg 首先,通过对建筑模型抽取和建筑图形对象的分析,总结了一组描述建筑模型的建筑csg体元,揭示了建筑模型csg体元之间的组合形态,提出一种基于csg的组合建模方案来构造三维建筑模型;然后在此模型基础上进行了基于点、线、面、体的表达方式描述了建筑模型内部拓扑空间关系,简要介绍了建筑模型的体装配方法;最后利用opengl技术在visualc + +下实现了工大办公楼的csg建模实验。 |