Revisiting brittle fracture as an energy minimization problem

被引：2412

作者：

Francfort, GA ^{[1
]}

Marigo, JJ ^{[1
]}

机构：

[1] Univ Paris Nord, Inst Galilee, F-93430 Villetaneuse, France

来源：

JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS | 1998年 / 46卷 / 08期

关键词：

fracture; energy release rate; fracture toughness; energy methods; variational calculus;

D O I：

10.1016/S0022-5096(98)00034-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A variational model of quasistatic crack evolution is proposed. Although close in spirit to Griffith's theory of brittle fracture, the proposed model however frees itself of the usual constraints of that theory: a preexisting crack and a well-defined crack path. In contrast, crack initiation as well as crack path can be quantified, as demonstrated on explicitly computable examples. Furthermore the model lends itself to numerical implementation in more complex settings. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：1319 / 1342

页数：24

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