Rapidly Reconstructing Boundaries in Plane Finite Element Mesh Based on STL Technique

doi:10.3969/j.issn.1674-0696.2012.06.39

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (6): 1261-1263.DOI: 10.3969/j.issn.1674-0696.2012.06.39

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Rapidly Reconstructing Boundaries in Plane Finite Element Mesh Based on STL Technique

Wang Jialin，Zhang Deli，He Lin

School of Civil Engineering ＆ Architecture，Chongqing Jiaotong University，Chongqing 400074，China

Received:2012-03-15 Revised:2012-06-11 Online:2012-12-15 Published:2014-10-31

基于STL 快速重构平面有限元网格边界

王家林，张德立，何琳

重庆交通大学土木建筑学院，重庆400074

作者简介:王家林(1968—)，重庆万州人，教授，博士，主要从事结构有限元理论及软件开发方面的研究。E-mail:jialinwang@163.com。

Abstract

Abstract: According to the characteristics of the boundary in plane finite element mesh，the data access advantages of set， map and other containers in C ++ Standard Template Library，a fast algorithm is established by using set identifies the mesh boundary and using map links the messy boundary to loop． The algorithm realizes the purpose to reconstruct the mesh boundaries by plane finite element mesh data． The feasibility of the algorithm is verified by a case study．

Key words: FEM, mesh, boundary, reconstruction

摘要： 根据平面有限元网格中边界的特点，利用C ++ 标准模板库( STL) 中set、map 等容器的数据访问特性，用set 分析识别出网格边界，用map 将散乱的边界连成环线，建立了识别边界且形成边界环线的快速算法，实现了基于平面有限元网格数据重构网格边界的目的。示例演示了算法的可行性。

关键词: 有限元, 网格, 边界, 重构

CLC Number:

TP311.1

Wang Jialin，Zhang Deli，He Lin. Rapidly Reconstructing Boundaries in Plane Finite Element Mesh Based on STL Technique[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(6): 1261-1263.

王家林，张德立，何琳. 基于STL 快速重构平面有限元网格边界[J]. 重庆交通大学学报（自然科学版）, 2012, 31(6): 1261-1263.

References

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Rapidly Reconstructing Boundaries in Plane Finite Element Mesh Based on STL Technique

基于STL 快速重构平面有限元网格边界

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