Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst

<div>Dynamic change process under coal impact damage: (a) bullet speed = 5.008 (m/s); (b) bullet speed = 7.671 (m/s); (c) bullet speed = 6.660 (m/s); (d) bullet speed = 5.880 (m/s).</div>

Advances in Civil Engineering

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Figure 8

Figure 8: Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst 

Figure 8 | Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst 