The mass of explosive which the aluminum/copper cylinder shells were blasted shutter was found with finite element methods. And on the basis of this, the blast shutter models were simulated many times by the smoothed particle hydrodynamics method to achieve optimization. Then the experimental models were determined by comparing the simulation results. The experimental results agree with the simulation results. So the simulation results can be helpful for understanding the experimental results, and it saves the time and increases the efficiency.
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