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Convergence Speed of Generalized Longest-Edge-Based Refinement

机译:广义最长边细化的收敛速度

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摘要

In the refinement of meshes, one wishes to iteratively subdivide a domain following geometrical partition rules. The aim is to obtain a new discretized domain with adapted regions. We prove that the Longest Edge n-section of triangles for μ ≥ 4 produces a finite sequence of triangle meshes with guaranteed convergence of diameters and review previous result when μ equals 2 and 3. We give upper and lower bounds for the convergence speed in terms of diameter reduction. Then we fill the gap in the analysis of the diameters convergence for generalized Longest Edge based refinement. In addition, we give a numerical study for the case of μ =4, the so-called LE quatersection, evidencing its utility in adaptive mesh refinement.
机译:在网格的细化中,人们希望按照几何划分规则迭代地细分一个域。目的是获得具有适应区域的新离散域。我们证明,当μ≥4时,三角形的最长边n型截面产生一定数量的三角形网格,并保证了直径的收敛性,并在μ等于2和3时回顾了先前的结果。我们给出了收敛速度的上限和下限直径减小。然后,在基于通用最长边的细化的直径收敛分析中,我们填补了空白。此外,我们对μ= 4的情况(即所谓的LE四分之一截面)进行了数值研究,证明了其在自适应网格细化中的效用。

著录项

  • 来源
  • 会议地点 London(GB)
  • 作者单位

    Division of Mathematics, Graphics and Computation (MAGiC), IUMA, Information and Communication Systems, University of Las Palmas de Gran Canaria, Canary Islands, Las Palmas de Gran Canaria, Spain;

    Faculty of Mathematics and Informatics, University of Holguin, Avenida XX Aniversario, via Guardalavaca, Holguin, Cuba;

    Division of Mathematics, Graphics and Computation (MAGiC), IUMA, Information and Communication Systems, University of Las Palmas de Gran Canaria, Canary Islands, Las Palmas de Gran Canaria, Spain;

    Division of Mathematics, Graphics and Computation (MAGiC), IUMA, Information and Communication Systems, University of Las Palmas de Gran Canaria, Canary Islands, Las Palmas de Gran Canaria, Spain;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Diameter; Longest-edge; Mesh refinement; μ-section; Refinement; Triangulation; Triangle partition;

    机译:直径;最长边网格细化; μ-截面;精炼;三角剖分;三角分区;

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