Numerical Simulations of the Spall Damage of the Target Material Induced by Laser Driven Flyer Impacting

Abstract:

The spall phenomenon has been a subject of constant interest for many years, and it is still widely investigated in various ways including the experiment. This paper uses the method of smoothed particle hydrodynamics and the model of Johnson-Cook tensile cumulative damage to simulate the process of spall induced by the laser-driven flyer loading. Using this method, some numerical simulation results can be obtained, like the different time of the 2D image of damage distribution and the rear free surface velocity histories of target material. These results could offer some useful messages for the study on spall damage.

• Periodical: Advanced Materials Research (Volumes 156-157)
• Pages: 1305-1312
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.156-157.1305
• Online since: October 2010
• Authors: He Jun Wang, Hui Xia Liu, Zong Bao Shen, Wei Li, Yuan Yuan Zheng, Xiao Wang
• Keywords: Spall, Johnson & Cook, Laser-Driven Flyer, Numerical Simulation, Smoothed Particle Hydrodynamic (SPH)

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