上海交通大学学报 ›› 2001, Vol. 35 ›› Issue (04): 493-495.doi: 10.16183/j.cnki.jsjtu.2001.04.003

所属专题: 王建华教授学报发文专辑

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裂纹跟踪的网格生成技术

黄向平, 王建华   

  1. 上海交通大学建筑工程与力学学院,上海  200030
  • 收稿日期:2000-05-23 出版日期:2001-04-01 发布日期:2021-04-25
  • 作者简介:黄向平 1976年生, 1998年于合肥工业大学获学士学位,现为上海交通大学建筑工程与力学学院硕士研究生.研究领域: 自适应有限元在岩土工程中的应用.
  • 基金资助:
    国家自然科学基金资助项目(59879012)

Mesh Generation Technique of Tracing Crack Propagation

HUANG Xiang-ping, WANG Jian-hua   

  1. School of Civil Eng. and Mechanics, Shanghai Jiaotong Univ. , Shanghai 200030, China
  • Received:2000-05-23 Online:2001-04-01 Published:2021-04-25

摘要:

讨论了自适应有限元模拟裂纹扩展的网格生成技术,通过修改裂纹周围单元的形状及单元间的邻接关系,实现网格动态划分对裂纹扩展进行跟踪.本方法具有修改范围小,可实现性强,无须修改单元类型等优点.算例表明,所提的算法是有效的.

关键词: 自适应网格加密, 裂纹扩展, 邻接关系

Abstract:

A new technique of mesh generation used in tracing the crack propagation with adaptive FEM was provided. The method will simulate the crack propagation dynamically by modifying the shape and the neighboring connection. This method has the advantages such as narrower modifying area, more realizable, needless of changing the element type, and so on. A numerical example shows the provided method is effective.

Key words: adaptive mesh refinement, crack propagation, neighboring connection

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