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 四边形网格 在 机械工业 分类中 的翻译结果: 查询用时：0.525秒
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 四边形网格
 “四边形网格”译为未确定词的双语例句
 AN AUTOMATIC QUADRANGULAR MESH GENERATION ALGORITHM ON 3D SURFACE 复杂曲面上的四边形网格生成方法 短句来源 Under OpenGL environment, we use four-side grids to reconstruct a worm surface and gain a solid modeling of worm. 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。 短句来源

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 quadrilateral mesh
 We present a simple, effective and computationally efficient approach for quadrilateral mesh adaptation. Feature based quadrilateral mesh generation for sculptured surface products By introducing the variable-node elements, which have physical mid-side nodes, some difficulties associated with connecting the different layer patterns, which are common in the adaptive h-refinement on quadrilateral mesh, can be overcome. Rational bicubic simple quadrilateral mesh surfaces Closed, smooth, piecewise bicubic surfaces, defined on simple quadrilateral mesh. 更多
 An automatic algorithm for generating all quadrangle meshes on 3D surface is proposed. It is carried out directly in 3D space. It can control the size of elements and adapts itself to complex boundaries. Generation of nodes starts from the boundaries of multiple surfaces and a new method that detects collisions between node loops are presented. Two examples are given to illustrate the performance of the algorithm. 提出了一种曲面上全四边形网格的生成方法．该方法从曲面的边界开始，向内逐个地生成单元，利用曲面的局部形状特征控制单元的尺寸．这样可以适应复杂的边界形状，通用性较强．文中介绍了算法的基本思想，提出了多个曲面相邻情况下边界上节点的生成以及一个新的节点环冲突检测方法．最后给出了两个网格生成的实例． One of the difficult problems in reverse engineering is the processing of scattered data. We present a new method for transferring scattered data into regular data in reverse engineering. Such a method, as to our best knowledge, has not been reported in the open literatures. Fig.1 shows schematically our method for transferring scattered data into regular data. It involves the following five steps: (1) Scattered data is triangulated by a planar triangulation algorithm [5] (subsection 1.2.1). (2) The... One of the difficult problems in reverse engineering is the processing of scattered data. We present a new method for transferring scattered data into regular data in reverse engineering. Such a method, as to our best knowledge, has not been reported in the open literatures. Fig.1 shows schematically our method for transferring scattered data into regular data. It involves the following five steps: (1) Scattered data is triangulated by a planar triangulation algorithm [5] (subsection 1.2.1). (2) The triangles are optimized in 3D space to get a better form (subsection 1.2.2). (3) For each triangle, construct a five degree triangular interpolation surface with C 1 continuity (subsection 1.2.3). (4) Cut the triangle surfaces with a series of parallel planes to get the intersection data (subsection 1.2.4). (5) Smooth the intersection data and we get the required regular data. The smoothing method we used is described in [3]. Our method has been applied to reverse engineering in a Chinese aircraft manufacturing company, and has met with preliminary success. 针对测量造型技术中的散乱数据处理问题，提出了一个实用的散乱数据规则化方法。该方法基于散乱数据的三角剖分，建立五次Ｃ１ 三角插值曲面，用平行平面截取三角曲面得到截面线数据，对截面线数据进行去重点、光顺、匀化等处理，得到规则的四边形网格数据。该方法已经应用于实际工程中，具有简单、有效、通用性强、稳定性好等特点。
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