A two-dimensional ordinary state-based peridynamic model for elastic and fracture analysis

被引：28
|
作者：
Zhang, Heng [1 ]
Qiao, Pizhong [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
[2] Washington State Univ, Dept Civil & Environm Engn, Sloan Hall 117, Pullman, WA 99164 USA
来源：
ENGINEERING FRACTURE MECHANICS | 2020年 / 232卷
基金：
中国国家自然科学基金;
关键词：
Two-dimensional peridynamics; Ordinary state-based model; Bond failure criteria; DYNAMIC CRACK-PROPAGATION; FAILURE CRITERION; NONORDINARY; PLATES; DEFORMATION; FORMULATION; GROWTH; DAMAGE;
D O I：
10.1016/j.engfracmech.2020.107040
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A framework of the two-dimensional (2D) ordinary state-based peridynamic model is established for quantitative elastic and fracture analysis, in which the peridynamic force state considering the thermomechanical loading (elastic model), bond failure criteria, and numerical implementation method are presented. The critical time step for explicit time integration in the state-based peridynamics is given. Then, a plate under combined tensile and thermal expansion loads and a compact tension (CT) test specimen are analyzed using the present 2D peridynamic model, and the results are compared well with the available analytical and finite element modeling solutions. The present 2D peridynamic model can quantitatively capture the elastic and fracture behavior of 2D problems.
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收藏
页数：19
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