Peridynamic simulation of fatigue crack growth in porous materials

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成果类型：

期刊论文

作者：

Yusong Pan;Pan Wu;Shuaiqi Fan;Xulong Peng;Ziguang Chen

通讯作者：

Xulong Peng<&wdkj&>Ziguang Chen

作者机构：

[Yusong Pan; Pan Wu] Department of Engineering Mechanics, School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China

[Shuaiqi Fan] School of Mechanics and Construction Engineering, Jinan University, West Huangpu Avenue 601, Guangzhou 510632, China

[Xulong Peng] School of Civil Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China

Hubei Key Laboratory of Engineering Structural Analysis and Safety Assessment, 1037 Luoyu Road, Wuhan 430074, China

[Ziguang Chen] Department of Engineering Mechanics, School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China<&wdkj&>Hubei Key Laboratory of Engineering Structural Analysis and Safety Assessment, 1037 Luoyu Road, Wuhan 430074, China

通讯机构：

[Xulong Peng] S

[Ziguang Chen] D

Department of Engineering Mechanics, School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China<&wdkj&>Hubei Key Laboratory of Engineering Structural Analysis and Safety Assessment, 1037 Luoyu Road, Wuhan 430074, China<&wdkj&>School of Civil Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China

语种：

英文

期刊：

Engineering Fracture Mechanics

ISSN：

0013-7944

年：

2024

卷：

300

页码：

109984

DOI：

10.1016/j.engfracmech.2024.109984

基金类别：

CRediT authorship contribution statement Yusong Pan: Writing – original draft, Software, Investigation, Data curation. Pan Wu: Writing – review & editing, Software. Shuaiqi Fan: Writing – review & editing. Xulong Peng: Writing – review & editing, Supervision, Investigation, acquisition, Conceptualization. Ziguang Chen: Writing – review & editing, Supervision, Project administration, acquisition, Conceptualization.

机构署名：

本校为通讯机构

院系归属：

土木工程学院

摘要：

Pores are a key type of concerns in additive manufacturing technology. They can significantly affect materials’ fatigue resistance and fatigue crack growth in the structures. In this paper, an intermediately-homogenized (IH) peridynamic (PD) fatigue crack model is introduced for simulating the fatigue crack growth in porous materials. The effect of micro-scale heterogeneity on fatigue failure is preserved in the IH-PD model, where stochastically-generated pre-damage matches materials’ porosity. The PD J-integral, a key parameter used to conne...

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Peridynamic simulation of fatigue crack growth in porous materials

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