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

Figure 7

Points sampling and encapsulation modelling using different spacing. (a) Sampling with 0.5 times D; (b) encapsulation model with 0.5 times D; (c) sampling with D; (d) encapsulation model with D; (e) sampling with 2 times D; (f) encapsulation model with 2 times D; (g) sampling with 5 times D; (h) encapsulation model with 5 times D; (i) sampling with 10 times D; and (j) encapsulation model with 10 times D.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)