An efficient algorithm for characteristic tracking on two-dimensional triangular meshes

被引：5

作者：

Liu, J. ^{[1
]}

Chen, H.

Ewing, R.

Qin, G.

机构：

[1] Colorado State Univ, Dept Math, Ft Collins, CO 80523 USA

[2] Texas A&M Univ, Inst Sci Computat, College Stn, TX 77843 USA

来源：

COMPUTING | 2007年 / 80卷 / 02期

关键词：

auxiliary mesh; characteristic; convection-diffusion; triangular mesh; unstructured mesh; velocity field;

D O I：

10.1007/s00607-007-0223-5

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Tracking characteristics on unstructured meshes is an important part of many numerical methods in computational fluid mechanics. In this paper, we propose an efficient algorithm for characteristic tracking on two-dimensional unstructured triangular meshes. Numerical experiments, including an example for applying this algorithm with the Eulerian-Lagrangian localized adjoint method (ELLAM) to solve a convection-dominated convection-diffusion problem, are presented to demonstrate the efficiency of this algorithm.

引用

页码：121 / 136

页数：16

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