Non-local damage models in manufacturing simulations

被引：9
|
作者：
Abiri, Olufunminiyi [1 ]
Lindgren, Lars-Erik [1 ]
机构：
[1] Lulea Univ Technol, S-97187 Lulea, Sweden
来源：
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2015年 / 49卷
关键词：
Finite element method; Non-local damage; Plasticity; CONSISTENT TANGENT STIFFNESS; CONTINUUM DAMAGE; DUCTILE RUPTURE; PLASTICITY; IMPLEMENTATION; LOCALIZATION; COMPUTATION; FORMULATION; GROWTH; METALS;
D O I：
10.1016/j.euromechsol.2014.08.012
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Localisation of deformation is a problem in several manufacturing processes. Machining is an exception where it is a wanted feature. However, it is always a problem in finite element modelling of these processes due to mesh sensitivity of the computed results. The remedy is to incorporate a length scale into the numerical formulations in order to achieve convergent solutions. Different simplifications in the implementation of a non-local damage model are evaluated with respect to temporal and spatial discretisation to show the effect of different approximations on accuracy and convergence. (C) 2014 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：548 / 560
页数：13
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