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首页> 外文期刊>Journal of Computational Physics >A boundary focused quadrilateral mesh generation algorithm for multi-material structures
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A boundary focused quadrilateral mesh generation algorithm for multi-material structures

机译：多材料结构的边界聚焦四边形网格生成算法

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摘要

This paper describes a new boundary focused mesh generation algorithm. The algorithm produces quadrilateral meshes from images of multi-material structures. The challenge of meshing such images is to create high quality elements which are aligned with complex material boundaries. The approach proposed in this paper uses the following steps: (1) extract boundaries according to pixel colours; (2) smooth the jagged boundaries; (3) generate geodesic isolines aligned with smoothed boundaries; (4) generate a mesh from the boundaries and isolines; (5) optimize the mesh using the " Pisces" pattern (which is introduced in this paper). Application examples are presented to contrast the reliability and effectiveness of the new algorithm with existing approaches.
机译：本文介绍了一种新的边界聚焦网格生成算法。该算法从多材料结构的图像生成四边形网格。网格化此类图像的挑战是创建与复杂材质边界对齐的高质量元素。本文提出的方法采用以下步骤：（1）根据像素颜色提取边界; （2）平滑锯齿状的边界; （3）生成与平滑边界对齐的测地线等值线; （4）从边界和等值线生成网格; （5）使用“双鱼座”模式（本文介绍）优化网格。给出了应用实例，以对比新算法与现有方法的可靠性和有效性。

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