4.5 Article

Two-dimensional finite element mesh generation algorithm for electromagnetic field calculation

Journal

CHINESE PHYSICS B
Volume 30, Issue 1, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/abaedf

Keywords

mesh generation; smoothing function; finite element; electromagnetic calculation

Funding

  1. National Natural Science Foundation of China [52077203, 61701467]
  2. Natural Science Foundation of Zhejiang Province, China [LY19E070003]

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A novel two-dimensional finite element mesh generation algorithm is proposed in this paper, which includes image boundary extraction, node location identification, and force-based mesh smoothing, to improve the efficiency and accuracy of electromagnetic field calculation. Test results demonstrate that the algorithm can produce high-quality meshes with fewer iterations.
Two-dimensional finite element mesh generation algorithm for electromagnetic field calculation is proposed in this paper to improve the efficiency and accuracy of electromagnetic calculation. An image boundary extraction algorithm is developed to map the image on the geometric domain. Identification algorithm for the location of nodes in polygon area is proposed to determine the state of the node. To promote the average quality of the mesh and the efficiency of mesh generation, a novel force-based mesh smoothing algorithm is proposed. One test case and a typical electromagnetic calculation are used to testify the effectiveness and efficiency of the proposed algorithm. The results demonstrate that the proposed algorithm can produce a high-quality mesh with less iteration.

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