书上说z_sig命令是得出三个主应力的。而FLAC3D中压为负所以小主应力相当于第一主应力。
而我用下面的命令得出这样的结果。下面是log文件。为什么？
Flac3D>gen z b
Flac3D>fix x y z range z 0
Flac3D>fix x y range x 0
Flac3D>fix x y range x 10
Flac3D>fix x y range y 0
Flac3D>fix x y range y 10
Flac3D>ini density 2000
1000 zones modified
Flac3D>set gravity 0 0 -10
Flac3D>model e
Flac3D>prop b 2e7 s 1.5e7
Flac3D>solve
Starting at: 11:59:37 Sun Sep 04 2011
Global Ratio Limit of 1.000e-005
step Mech. Ratio
------- -----------
871 9.691e-006
Ending at: 11:59:45 Sun Sep 04 2011
Flac3D>def gets
Def> sigm1=-z_sig1(z_near(10,5,5))
Def> sigm3=-z_sig3(z_near(10,5,5))
Def>end
Flac3D>gets
Flac3D>print sigm1
sigm1 = 1.099810876397e+005
Flac3D>print sigm3
sigm3 = 2.749521616487e+004
Flac3D>set log off
;Log File Ended 11:59:45 Sun Sep 04 2011
