边坡中结构面参数设置的问题

水偌寒

   本人最近刚开始学FLAC3d,现在正在模边坡稳定性。我看陈育民老师的书上关于接触面的例题，就是那个料仓下料的模拟，当coh设置为0时，产生明显位移。但自己模拟含有结构面的边坡，设置参数时，将coh设置为0也没有影响计算，求高手解答一下啊。万分感谢！（命令流和图如下）



            包含结构面                                                                        不包含结构面

new
gen zone brick    &
p0 0 0 0 p1 2 0 0 p2 0 0.5 0 p3 0 0 3 size 3 1 3
gen zone brick    &
p0 2 0 0 p1 20 0 0 p2 2 0.5 0 p3 2 0 3 &
size 17 1 3 ratio 1.03 1 1
gen zone brick    &
p0 2 0 3 p1 20 0 3 p2 2 0.5 3 p3 6 0 7 &  
p4 20 0.5 3 p5 6 0.5 7 p6 20 0 8 &  
p7 20 0.5 8 size 17 1 8 ratio 1.03 1 1
gen zone brick    &
p0 6 0 8 p1 20 0 9 p2 6 0.5 8 p3 8 0 10 p4 20 0.5 9 p5 8 0.5 10 p6 20 0 11 p7 20 0.5 11 size 17 1 4 ratio 1.03 1 1 group 2
group 1 range group 2 not

interface 1 face ran plane ori 6 0 8 norm -1 0 14 dist 0.2
ini z add -1 ran group 2
model mohr
prop density 2000 bulk 1.0e8 shear 3.0e7 &
coh 12380.0 tens 1.0e6  fric 20 range group 1
prop density 2000 bulk 1.0e8 shear 3.0e7 &
coh 12380.0 tens 1.0e6  fric 20 range group 2

inter 1 pro ks 2e9 kn 2e8 fric 15 coh 0 tension 10000
fix x y z range z -0.1 0.1
fix x range x 19.9 20.1
fix x range x -0.1 0.1
fix y  
set gravity 0 0 -10.0

solve fos include interface file 包含结构面.sav associated







new
gen zone brick    &
p0 0 0 0 p1 2 0 0 p2 0 0.5 0 p3 0 0 3 size 3 1 3
gen zone brick    &
p0 2 0 0 p1 20 0 0 p2 2 0.5 0 p3 2 0 3 &
size 17 1 3 ratio 1.03 1 1
gen zone brick    &
p0 2 0 3 p1 20 0 3 p2 2 0.5 3 p3 6 0 7 &  
p4 20 0.5 3 p5 6 0.5 7 p6 20 0 8 &  
p7 20 0.5 8 size 17 1 8 ratio 1.03 1 1
gen zone brick    &
p0 6 0 7 p1 20 0 8 p2 6 0.5 7 p3 8 0 9 p4 20 0.5 8 p5 8 0.5 9 p6 20 0 10 p7 20 0.5 10 size 17 1 4 ratio 1.03 1 1
model mohr
prop density 2000 bulk 1.0e8 shear 3.0e7 &
coh 12380.0 tens 1.0e6  fric 20
set gravity 0 0 -10.0
fix x y z range z -0.1 0.1
fix x range x 19.9 20.1
fix x range x -0.1 0.1
fix y  
solve fos file 不包含结构面.sav associated