Numerical simulation of deformation and fracture of metals under plane shock wave loading

Authors

  • Nataliya Vladimirovna Saveleva Perm National Research Polytechnic University
  • Yurii Vitalievich Bayandin Institute of Continuous Media Mechanics UB RAS
  • Oleg Borisovich Naimark Institute of Continuous Media Mechanics UB RAS

DOI:

https://doi.org/10.7242/1999-6691/2012.5.3.35

Keywords:

shock wave, defect, free surface velocity

Abstract

The mathematical model capable of describing the behavior of materials subjected to shock loading has been developed earlier in the framework of the statistical theory of medium with defects. In the present work, this model is modified and a criterion for determining the conditions of spall fracture is proposed. The base theory treats deformation and fracture as the evolution of defect structures, which allows us to choose the necessary criterion. Numerical algorithms yield free surface velocity profiles. The analysis of these algorithms shows the effect of loading parameters on the strength characteristics of the material.

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References

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Published

2012-10-01

Issue

Section

Articles

How to Cite

Saveleva, N. V., Bayandin, Y. V., & Naimark, O. B. (2012). Numerical simulation of deformation and fracture of metals under plane shock wave loading. Computational Continuum Mechanics, 5(3), 300-307. https://doi.org/10.7242/1999-6691/2012.5.3.35