Experimental and Numerical Simulation of Coal Rock Impact Energy Index Based on Peridynamics

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">W<sub>ET</sub></td><td class="align_center">W<sub>CF</sub></td><td class="align_center">W</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Calculated values</td><td class="align_center">4.9</td><td class="align_center">5.1</td><td class="align_center">1.75</td></tr><tr><td class="align_left">Simulated values</td><td class="align_center">6.4</td><td class="align_center">3.9</td><td class="align_center">1.77</td></tr><tr><td class="align_left">Differences</td><td class="align_center">Lower</td><td class="align_center">Higher</td><td class="align_center">Approximate equality</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of calculated values based on experiments and simulated values for three indices.</div>

Shock and Vibration

tab8

Table 8

Table 8: Experimental and Numerical Simulation of Coal Rock Impact Energy Index Based on Peridynamics 