Phase-field models for brittle and cohesive fracture

被引：154
|
作者：
Vignollet, Julien [1 ]
May, Stefan [1 ]
de Borst, Rene [1 ]
Verhoosel, Clemens V. [2 ]
机构：
[1] Univ Glasgow, Sch Engn, Glasgow, Lanark, Scotland
[2] Eindhoven Univ Technol, Dept Mech Engn, NL-5600 MB Eindhoven, Netherlands
来源：
MECCANICA | 2014年 / 49卷 / 11期
关键词：
Phase-field models; Brittle fracture; Cohesive fracture; Damage; NUMERICAL EXPERIMENTS; VARIATIONAL APPROACH; FAILURE; DAMAGE;
D O I：
10.1007/s11012-013-9862-0
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper we first recapitulate some basic notions of brittle and cohesive fracture models, as well as the phase-field approximation to fracture. Next, a critical assessment is made of the sensitivity of the phase-field approach to brittle fracture, in particular the degradation function, and the use of monolithic versus partitioned solution schemes. The last part of the paper makes extensions to a recently developed phase-field model for cohesive fracture, in particular for propagating cracks. Using some simple examples the current state of the cohesive phase-field model is shown.
引用
收藏
页码：2587 / 2601
页数：15
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