Models for Dynamic Fracture Based on Griffith's Criterion

被引：30
|
作者：
Larsen, Christopher J. [1 ]
机构：
[1] Worcester Polytech Inst, Dept Math Sci, Worcester, MA 01609 USA
来源：
IUTAM SYMPOSIUM ON VARIATIONAL CONCEPTS WITH APPLICATIONS TO THE MECHANICS OF MATERIALS | 2010年 / 21卷
关键词：
QUASI-STATIC EVOLUTION; APPROXIMATION; EXISTENCE; GROWTH;
D O I：
10.1007/978-90-481-9195-6_10
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
There has been much recent progress in extending Griffith's criterion for crack growth into mathematical models for quasi-static crack evolution that are well-posed, in the sense that there exist solutions that can be numerically approximated. However, mathematical progress toward dynamic fracture (crack growth consistent with Griffith's criterion, together with elastodynamics) has been more meager. We describe some recent results on a phase-field model of dynamic fracture, and introduce models for "sharp interface" dynamic fracture.
引用
收藏
页码：131 / 140
页数：10
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