Automatic hexahedral mesh generation for rotating machine
Automatic hexahedral mesh generation for rotating machine
复制标题
旋转机器自动六面体网格生成
DOI：
10.1109/tmag.2004.824898
复制
发表时间：
2004
影响因子：
2.1
通讯作者：
V. Cingoski
中科院分区：
文献类型：
--
作者：
T. Maeda;S. Noguchi;Hideo Yamashita;V. Cingoski
本文提出了一种旋转机械六面体网格自动生成器。该方法通过对分析模型进行坐标变换，生成具有良好形状单元的六面体网格。该方法的主要特点是提供了直角坐标系和柱坐标系之间的前后坐标变换，适用于圆柱形网格模型。以前提出的六面体网格生成方法可以很容易地控制网格密度，生成形状良好的单元。然而，将这种方法应用于旋转机械，由于它们的圆柱形，总是会产生形状不好的元素。因此，我们对这种网格生成方法进行了改进和扩展，使之完全适用于旋转机械的复杂圆柱形域的网格划分。利用该方法，可以生成形状良好的六面体有限元网格，适用于任意圆柱形域的快速、准确的有限元分析。
In this paper, an automatic hexahedral mesh generator for rotating machines is proposed. In the proposed method, hexahedral mesh with well-shaped elements is generated by means of transformation of coordinates of the analysis model. The main feature of this method is its applicability for meshing models with cylindrical shape due to provided coordinate transformation forward and backward between Cartesian coordinate system and the cylindrical coordinate system. The previously proposed hexahedral mesh generation method could easily control the mesh density and generate well-shaped elements. However, applying that method to rotating machines, due to their cylindrical shape always generates bad-shaped elements. Therefore, we improved and extended this mesh generation method to become fully applicable for meshing complex cylindrically shaped domains of the rotating machines. By using the newly proposed method, a well-shaped hexahedral finite element meshes could be generated suitable for fast and accurate finite element analysis of any cylindrically shaped domains.