ABSTRACT

Because the detonation of the explosive blasting powder creates the gas of vast quantity with strong wave at extreme short time, distinguishing the detonation and gas pressure is very difficult. But we must study two kinds pressure together for the approach to be reality. Although many scholars are proposing a various experimental and numerical blasting model method to distnguish the detonation and gas pressure each other, we can not distinguish it completely up to now. In this study, we developed the algorithm to consider the detonation and gas pressure simultaneously using a discrete element code PFC2D.

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