Stability Analysis of Irregular Cavities in Tunnel Using Geomagic-COMSOL Coupling Method

Figure 16

Equivalent plastic strain field of (a) 3D profile using cube model; (b) 3D profile using the cube-like model; (c) 2D profile using cube model; and (d) 2D profile using the cube-like model.

(a)

(b)

(c)

(d)