A comparison of two optimization methods for mesh quality improvement

被引：46
|
作者：
Diachin, Lori Freitag [1 ]
Knupp, Patrick
Munson, Todd
Shontz, Suzanne
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[2] Sandia Natl Labs, Albuquerque, NM 87185 USA
[3] Argonne Natl Lab, Argonne, IL 60439 USA
[4] Univ Minnesota, Minneapolis, MN USA
来源：
ENGINEERING WITH COMPUTERS | 2006年 / 22卷 / 02期
关键词：
mesh quality improvement; mesh optimization; mesh smoothing;
D O I：
10.1007/s00366-006-0015-0
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
We compare inexact Newton and block coordinate descent optimization methods for improving the quality of a mesh by repositioning the vertices, where the overall quality is measured by the harmonic mean of the mean-ratio metric. The effects of problem size, element size heterogeneity, and various vertex displacement schemes on the performance of these algorithms are assessed for a series of tetrahedral meshes.
引用
收藏
页码：61 / 74
页数：14
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