Table 4 Comparison between the experimental and simulation results.

From: Construction and application of a high precision 3D simulation model for geomechanics of the complex coal seam

Source

Information

Containing a layer of gangue

Containing two layers of gangue

Containing inclusion

Experimental result

Effective value of vibration acceleration

3947.082 (mm/s2)

7527.186 (mm/s2)

8136.417 (mm/s2)

Effective value of energy released from coal and rock

321.192 (J)

475.316 (J)

517.221 (J)

The error between the simulation results of the model constructed in this research and the experimental results

Effective value of vibration acceleration

1.10 (%)

1.91 (%)

2.47 (%)

Effective value of energy released from coal and rock

2.32 (%)

2.18 (%)

3.71 (%)

The error between the simulation results of the traditional model26 and the experimental results

Effective value of vibration acceleration

7.06 (%)

10.36 (%)

12.41 (%)

Effective value of energy released from coal and rock

9.27 (%)

11.57 (%)

12.78 (%)