Revisiting the third Sandia Fracture Challenge: a bond-associated, semi-Lagrangian peridynamic approach to modeling large deformation and ductile fracture

被引：26

作者：

Behzadinasab, Masoud ^{[1
]}

Foster, John T. ^{[1
,2
]}

机构：

[1] Univ Texas Austin, Dept Aerosp Engn & Engn Mech, Austin, TX 78712 USA

[2] Univ Texas Austin, Hildebrand Dept Petr & Geosyst Engn, Austin, TX 78712 USA

来源：

INTERNATIONAL JOURNAL OF FRACTURE | 2020年 / 224卷 / 02期

关键词：

Sandia Fracture Challenge; Peridynamics; Bond-associated; Semi-Lagrangian; Additively manufactured metal; Ductile fracture; Large deformation;

D O I：

10.1007/s10704-020-00455-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Following a recent participation in Sandia Fracture Challenge 2017, in which we identified some shortcomings associated with the peridynamic theory in predicting large deformation and ductile fracture, we recently proposed a bond-associated, semi-Lagrangian, peridynamic model that addresses the noted limitations. The new theory is employed to revisit the challenge problem. Our results show that the new approach significantly improves the predictions of ductile fracture phenomenon in this challenge.

引用

页码：261 / 267

页数：7

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