虚拟网格为紧贴物面的面网格，它的作用是将物面边界条件传递给其它网格的边界面，而其本身不作流场计算。
The main purpose of the virtual grid is to convert a solid wall boundary condition into an interface condition while no fluid flow computations are conducted within the virtual grid.
利用曲面网格的边界曲线直接定义3D曲面，既能保证曲面的光滑过渡，即C1连续，又可避免通过确定扭矢来达到控制曲面的复杂计算。
The 3D surface can be defined directly by the boundary curve of the patch surface. The surface will be C1 continuous if the boundary curves connecting each two patches are C1 continuous.
不过，SOE的当前状态不能解决网格中跨管辖边界的治理问题。
However, the current state of SOE doesn't address the issues of governance having cross-jurisdictional boundaries in a grid.
讨论了不同边界条件和控制函数对网格生成结果的影响。
The effects of different boundary conditions and governing function on grid generation results are discussed.
将并行计算方法应用于含运动边界流场的数值模拟，采用弹簧方法生成非结构运动网格。
The parallel computation method was used for numerical simulation of flow field with moving boundary, and unstructured moving grids were generated by spring analogy method.
当荷载作用边界随时间变化及在动力荷载作用下，网格生成器可随应力集中区域的变化而动态退化与再加密网格。
When the load boundaries vary with time and under the dynamics loads, the mesh generator can derefinement and re-refinement dynamically mesh with moving of stress concentration region.
使用硬大小控制边界的边缘，迫使相同数量的分歧可能有助于成功地生成映射网格。
Using hard size controls on the boundary edges to force the same number of divisions may help to successfully generate a mapped mesh.
网格变形的物理模型采用改进的弹簧近似模型，改进措施包括边界修正和扭转效应修正。
The model used to control mesh deforming is improved spring analogy with boundary improvement and torsional effect improvement.
模型质量将受到网格密度和生成方法、材料属性分配和应用边界条件等诸多因素的影响。
The model predictions will be influenced by the mesh density and generation method, the material property assignation and the applied boundary conditions.
还研究了有限元和边界元网格尺寸对计算精度的影响。
The effects of mesh size of finite elements and boundary elements on numerical accuracy were also studied.
采用完全变换法施加本质边界条件，给出求解椭圆型边值问题的无网格伽辽金方法。
The full transformation method is used in element-free Galerkin method for solving the elliptic boundary value problems.
结果表明，该方法能够较好地控制物理区域边界附近网格的正交性。
The results show that this method can control BFC grids to be orthogonal to the boundaries of the physical domain.
通过对时间和空间差分格式的选取、源项及边界条件的处理，在非结构化网格上对流场控制方程进行了离散。
By properly choosing temporal and spatial difference format, correctly dealing with source term and boundary conditions, control equations are discretized over unstructured meshes.
本文提出了一种基于内嵌边界法(IBM)的思想，在描述颗粒只有较少网格时能较为准确地计算气固多相流的模型。
According to the thoughts of immersed boundary method (IBM), a new model for simulating gas-solid multiphase flow with few grids to describe particle is presented.
文中对不同凸缘圆角对极料优化形状的影响作了计算，讨论了在保证边界轮廓位置不变的条件下网格划分的方法。
The influence of different flange corner radii on the optimized blank contour is analyzed and a remeshing method which can guarantee the original boundary position unchanged is discussed.
针对边界部分有重叠的图象，提出了一种基于网格匹配的快速对准算法，并通过平滑因子对图象实现了无缝拼接。
In this paper, we present a fast stitching algorithm for the overlapping images based on grid matching, which makes images matching correctly, stitching images seamless and smooth.
“双网格”方法和相应的算法为非均匀边界条件控制下河道演变的数值模拟提供了保证。
The dual grid method can provide a useful tool for numerically simulating the fluvial processes with non-uniform boundary conditions.
通过在类的边界区域进行细化来提高网格划分的质量从而提高聚类的精度。
It improves the quality of grid partition by refining the edge of the class, so improves the quality of the clustering.
介绍了一种在控制三角形网格上创建光滑样条曲面的算法，该控制网格能够刻画具有或没有边界的任意自由曲面。
The paper introduces an algorithm for creating smooth spline surfaces over control triangular meshes capable of outlining arbitrary free-form surfaces with or without boundary.
该方法源于波前法的基本思想，从计算域边界向内域逐渐生成非结构化的四边形网格。
The method is base upon the advancing front technique which constructs unstructured mesh of the domain of interest from its boundary.
具有边界清晰、单元形状好、网格密度可控和自动程度高的特点，适合于任意形状的凹或凸多边形。
It is characterized with well defined boundary, good shape, easy control of mesh density and high level of automation, and suit for polygons with any shape.
提出用非规则网格有限体积法计算不规则边界区域的传热和流体流动问题。
The irregular grid finite-volume method is proposed for computation of heat transfer and fluid flows in complex region.
流场大部分区域为四面体网格，在边界附近采用加密的五面体棱柱型网格，满足了SST模型对边界层网格的要求；
As the tetrahedral grids exist in the majority area, the pentahedral prism grids are adopted near the boundary, which meets the SST model's requirement of mesh in the boundary layer.
在有限元模型的建立、载荷计算、边界条件确定、网格划分等方面作了深入的探讨。
Building model, calculating loads, deciding boundary conditions and creating mesh are discussed in detail.
本文采用了一种利用边界网格节点分布信息来控制区域内部网格节点分布的网格生成技术。
In the method, the interior grid distribution is controlled by prior selection of the grid point distribution along the boundaries of the region.
为方便后面声场的计算和对称边界条件的实施，选用重叠网格。
Overlap grid is selected for helping calculate aeroacoustics following and apply symmetrical boundary condition.
非结构网格在处理复杂边界的优越性以及相对于结构网格更容易生成而受到科学工作者越来越多的重视。
Much more recent research works focus on unstructured grids for its simplicity in dealing with complex boundary conditions and more easily being constructed compared with structured grids.
在桥墩处理上，改变传统的用网格贴合挡水物的方法，直接将桥墩作为陆地边界生成无结构网格。
The piers are processed as land boundary directly, comparing to the method that mesh is used to fit impediment.
传统网格聚类方法由于没有考虑到相邻网格内的数据点对考查网格的影响，存在不能平滑聚类以及聚类边界判断不清的情况。
Traditional grid clustering methods fail to consider the affect of neighbored grids, and may result in unsmoothed clustering, wrong judgement of clustering boundary, etc.
传统网格聚类方法由于没有考虑到相邻网格内的数据点对考查网格的影响，存在不能平滑聚类以及聚类边界判断不清的情况。
Traditional grid clustering methods fail to consider the affect of neighbored grids, and may result in unsmoothed clustering, wrong judgement of clustering boundary, etc.
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