Research Article
Gas Expansion Energy Model and Numerical Simulation of Outburst Coal Seam under Multifield Coupling
Figure 2
Distribution cloud map of physical field in front of working face.
(a) Vertical stress, Pa |
(b) Volumetric strain |
(c) Plastic strain |
(d) Gas pressure in fracture, Pa |
(e) Gas pressure in matrix, Pa |
(f) Permeability, m2 |