PHASE FIELD MODEL FOR MODE III CRACK GROWTH IN TWO DIMENSIONAL ELASTICITY

被引：1

作者：

Takaishi, Takeshi ^{[1
]}

Kimura, Masato ^{[2
]}

机构：

[1] Hiroshima Kokusai Gakuin Univ, Fac Informat Design, Hiroshima 7390321, Japan

[2] Kyushu Univ, Fac Math, Higashi Ku, Fukuoka 8128581, Japan

来源：

KYBERNETIKA | 2009年 / 45卷 / 04期

关键词：

crack growth; phase field model; numerical simulation; BRITTLE-FRACTURE;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A phase field model for anti-plane shear crack growth in two dimensional isotropic elastic material is proposed. We introduce a phase field to represent the shape of the crack with a regulaxization parameter epsilon > 0 and we approximate the Francfort-Marigo type energy using the idea of Ambrosio and Tortorelli. The phase field model is derived as a gradient flow of this regularized energy. We show several numerical examples of the crack growth computed with an adaptive mesh finite element method.

引用

页码：605 / 614

页数：10

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