| 1. | In addition , a method of mesh gradation control by means of point distribution and a method of mesh refinement were also proposed in this paper
另外，论文还讨论了通过布点来控制网格渐变的方法以及网格加密方法。 |
| 2. | In addition , a method of mesh gradation control by means of point distribution and a method of mesh refinement were also investigated in this paper
另外，我们还分析了通过布点方法进行网格渐变控制技术以及一种网格细化方法。 |
| 3. | To mitigate the visual " popping " during the detail level transit , we introduce a deferred merging method to realize the geomorphing in terrain mesh refinement
为了减少相邻帧画面在地形不同层次细节之间变化所引起的几何跳跃，采用了滞后合并的方法来实现动态构网过程的几何过渡。 |
| 4. | The error metric can be stored and computed efficiently . we propose a novel time - critical optimization strategy to mesh refinement by further exploiting frame - to - frame coherence
提出了基于视点连贯性的四队列控制策略来执行实时的动态构网，能有效地控制三角形构网所需要的时间。 |
| 5. | The method automatically identifies nodes of the mesh which are candidates for deletion . the mesh refinement procedure sub - divides elements into a number of similar elements in the regions to be refined
网格中的删除点自动定位，细化是对需细化的区域的网格单元细分为几个相似的网格单元。 |
| 6. | In order to improve the accuracy and efficiency of numerical prediction , a semi - adaptive and layer - patch refinement method based on the idea of adaptive mesh refinement ( amr ) is proposed and applied to the numerical simulation of wind flow around buildings based on the pressure correction iterative algorithm
为提高数值模拟解的精度，将适应性网格局部加密( amr )的思想应用到采用压力校正迭代算法的建筑风场模拟中，并提出了一种半自适应的层块网格加密方法。 |
| 7. | Numerical results are consistent with that of sandia laboratory experiment and agree with that of cth code too . an adaptive mesh refinement under 2d euler structure grid for multi - fluid flow is developed for resolving richtmyer - meshkov , rayleigh - taylor and helmholtz multi - fluid instabilities , and the high resolution interface properties can be obtained
数值模拟多介质流体richtmyer - meshkov ， rayleigh - taylor ， helmholtz界面不稳定性，用levelset函数定义euler坐标系中界面附近网格自适应判据，使得网格剖分更加合理，既能提高计算精度又能节省计算时间。 |
| 8. | By using equable mesh refinement techniques and effectively handling the holes in the gray - image , the car ’ s shape can be exactly reflected 。 second , shape design with vrml and deforming methods of 3d - model based on image is discussed 。 by using warp techniques based on profile of the model , we can easily remesh so as to implement the shape customization 。 finally , entire customization system is discussed and communication mechanism between java applet and servlet and some related technology of jdbc database are analyzed 。 interactive methods in the customization system are introduced to modify appearance and parameter of person - machine effects of the product 。
本文采用基于特征轮廓线的深度图像变形，重建新的三维模型，实现外形的定制。最后，分析了编程中的javaapplet与servlet通讯机制、数据库等关键技术，对整个定制系统构成进行阐述。介绍了定制系统中的交互机制，及定制模块包括外观、外形、人机工程、运动控制等来实现产品的个性化定制。 |
| 9. | Comparison of flow regimes is made for different reynolds - number flows and mesh refinement . the current study for the laminar flow over a backward - step facing step explores the influence of the sidewall on the development of three - dimensional flow for re > 400 . meanwhile , this paper attempts to study on some important aspects of time - dependent incompressible viscous flow
本论文的主要研究成果有： 1 、评述了三维粘性流动数值模型的研究现状，分析了各数学模型的建模思想及相应的数值计算方法，提出了当前存在的高精度的数值计算方法和边界条件的适定性问题。 |
| 10. | This thesis presents the high resolution numerical simulation methods for multi - fluid dynamics . the main contents include three parts : the first is a set of interface capturing equations deduced to describe the interface evolution , which is suitable for constructing two - order enhanced un - split finite volume scheme and three - order parabolic - piecewise - method ( ppm ) scheme in euler coordinate ; the second is the capabilities of level - set method for tracking multi - fluid interfaces are unproved ; the third is that the computational resolutions are much more advanced by improving adaptive mesh refinement ( amr ) technique
主要研究目的是获得多介质流体流动的高精度数值模拟方法，主要内容包括界面捕捉方程的推导，适用于euler坐标系的增强型二阶精度非维数分裂有限体积计算格式和三阶精度ppm格式构造，以及发展改进levelset方法提高捕捉流体界面的能力，发展改进网格自适应技术提高各类方程解的计算精度。 |
