Crack Propagation Simulation Caused by Collision Based on LS-DYNA Software

doi:10.12068/j.issn.1005-3026.2015.11.029

Journal of Northeastern University Natural Science ›› 2015, Vol. 36 ›› Issue (11): 1653-1657.DOI: 10.12068/j.issn.1005-3026.2015.11.029

• Mechanical Engineering • Previous Articles Next Articles

Crack Propagation Simulation Caused by Collision Based on LS-DYNA Software

MA Hui¹， ZENG Jin¹， WU Zhi-yuan¹， QIN Zhao-ye²

1. School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China; 2. Department of Mechanical Engineering， Tsinghua University， Beijing 100084， China.

Received:2014-01-23 Revised:2014-01-23 Online:2015-11-15 Published:2015-11-10
Contact: MA Hui
About author:-
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Abstract

Abstract: The crack propagation path was simulated based on the piecewise linear plastic material model， which was caused by the collision between moving object and caging device using LS-DYNA software. Furthermore， four cases related to crack angles， crack depths， failure strains， and impact velocities were presented to analyze the crack growth laws. The results show that impact velocities and crack angles both have a great influence on crack propagation path， while crack depths or failure strains impacts relatively less.

Key words: crack propagation, LS-DYNA, caging device, explicit dynamic, collision

CLC Number:

TP391.9

MA Hui， ZENG Jin， WU Zhi-yuan， QIN Zhao-ye. Crack Propagation Simulation Caused by Collision Based on LS-DYNA Software[J]. Journal of Northeastern University Natural Science, 2015, 36(11): 1653-1657.

References

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Crack Propagation Simulation Caused by Collision Based on LS-DYNA Software

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