An approach for fatigue crack propagation analysis by smoothed particle hydrodynamics method

被引：3

作者：

Tazoe, Koki ^{[1
]}

Tanaka, Hiroto ^{[1
]}

Oka, Masanori ^{[1
]}

Yagawa, Genki ^{[2
,3
]}

机构：

[1] YANMAR Co Ltd, Res & Dev Ctr, Maibara, Shiga, Japan

[2] Univ Tokyo, Setagaya Ku, Tokyo, Japan

[3] Toyo Univ, Setagaya Ku, Tokyo, Japan

来源：

STRENGTH FRACTURE AND COMPLEXITY | 2020年 / 12卷 / 2-4期

关键词：

Smoothed particle hydrodynamics; fatigue; crack propagation; fracture mechanics; EXTENDED FINITE-ELEMENT; LEVEL SETS; GROWTH; UPDATE;

D O I：

10.3233/SFC-190242

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this study, a smoothed particle hydrodynamics (SPH) method for analyzing fatigue crack propagation was developed. In the simulation program, a crack is modeled to propagate virtually in particles based on the linear fracture mechanics and the Paris-Erdogan Law. This is realized by removal of one particle per analysis cycle. The SPH simulation in the case of the half elliptical surface crack propagation has given a smooth crack shape history, which is similar to the fatigue test result.

引用

页码：127 / 133

页数：7

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