level 2
wild逆光
楼主
我在做一个浅埋煤层大巷开挖然后支护的模拟，在开挖之前初次平衡后保存，然后restore 保存的**.sav文件进行开挖，但是巷道的位移只有10几mm，根本不用支护，求各位懂地质或采矿的大佬帮忙看看有什么问题，语句也不是特别多，深深表示感谢。
new
gen zone radcyl dim 2.7 2.7 2.7 p0 0 0 1.8 p1 25 0 1.8 p2 0 10 1.8 p3 0 0 7 group CC ;半圆拱
generate zone brick p0 0 0 0 p1 25 0 0 p2 0 10 0 p3 0 0 1.8 size 18 10 15 group DD ;直墙
generate zone brick p0 0 0 7 p1 25 0 7 p2 0 10 7 p3 0 0 15 group BB ;粗粒砂岩
generate zone brick p0 0 0 15 p1 25 0 15 p2 0 10 15 p3 0 0 27.5 group AA size 15 10 15 ;中粒砂岩
generate zone brick p0 0 0 -6 p1 25 0 -6 p2 0 10 -6 p3 0 0 0 group EE ;砂质泥岩
generate zone brick p0 0 0 -7 p1 25 0 -7 p2 0 10 -7 p3 0 0 -6 group FF ;煤
generate zone brick p0 0 0 -11 p1 25 0 -11 p2 0 10 -11 p3 0 0 -7 group GG ;砂质泥岩
generate zone brick p0 0 0 -24.5 p1 25 0 -24.5 p2 0 10 -24.5 p3 0 0 -11 group HH ;粉砂岩
generate zone cyl p0 0 0 1.8 p1 2.7 0 1.8 p2 0 10 1.8 p3 0 0 4.5 group JJ ;半圆柱
gen zone reflect normal -1 0 0 origin 0 0 0 ;对称
attach face range z 6.9 7.1
attach face range z 14.9 15.1
attach face range z 1.7 1.9
attach face range z -0.1 0.1
model mech mohr
prop bulk 2.5e9 shear 0.73e9 tension 3.24e6 cohesion 5.4e6 friction 38 density 2350 range group AA
prop bulk 2.6e9 shear 0.75e9 tension 4.81e6 cohesion 6.1e6 friction 35 density 2440 range group BB
prop bulk 2.5e9 shear 0.73e9 tension 1.8e6 cohesion 5.4e6 friction 38 density 2350 range z 3 7
prop bulk 1.2e9 shear 0.48e9 tension 1.6e6 cohesion 3.9e6 friction 37 density 1484 range z 0 3
prop bulk 2.5e9 shear 0.73e9 tension 1.8e6 cohesion 5.4e6 friction 38 density 2350 range group EE
prop bulk 1.2e9 shear 0.48e9 tension 1.6e6 cohesion 3.9e6 friction 37 density 1484 range group FF
prop bulk 2.5e9 shear 0.73e9 tension 1.8e6 cohesion 5.4e6 friction 38 density 2350 range group GG
prop bulk 2.1e9 shear 0.64e9 tension 3.3e6 cohesion 5.3e6 friction 37.6 density 2580 range group HH
set gravity 0 0 -9.8
fix x range x -25.1 -24.9
fix x range x 24.9 25.1
fix y range y -0.1 0.1
fix y range y 10.9 11.1
fix z range z -24.4 -24.6
ini szz -2.6e6 grad 0 0 2.35e4 range group AA
ini szz -2.9e6 grad 0 0 2.44e4 range group BB
ini szz -3.1e6 grad 0 0 2.35e4 range z 3 7
ini szz -3.2e6 grad 0 0 1.484e4 range z 0 3
ini szz -3.24e6 grad 0 0 2.35e4 range group EE
ini szz -3.38e6 grad 0 0 1.484e4 range group FF
ini szz -3.38e6 grad 0 0 2.35e4 range group GG
ini szz -3.48e6 grad 0 0 2.58e4 range group HH
ini syy -1e6
ini sxx -1e6
apply szz -2.6e6 range z 27.4 27.6
solve
plot zone
;保存了，然后是开挖的命令
ini xdis 0.0 ydis 0.0 zdis 0.0
hist purge
model null range x -2.7 2.7 z 0 1.8 y 0 10
model null range group JJ
solve
plot zone colorby state
再次谢谢各位了
2019年04月25日 14点04分
1
new
gen zone radcyl dim 2.7 2.7 2.7 p0 0 0 1.8 p1 25 0 1.8 p2 0 10 1.8 p3 0 0 7 group CC ;半圆拱
generate zone brick p0 0 0 0 p1 25 0 0 p2 0 10 0 p3 0 0 1.8 size 18 10 15 group DD ;直墙
generate zone brick p0 0 0 7 p1 25 0 7 p2 0 10 7 p3 0 0 15 group BB ;粗粒砂岩
generate zone brick p0 0 0 15 p1 25 0 15 p2 0 10 15 p3 0 0 27.5 group AA size 15 10 15 ;中粒砂岩
generate zone brick p0 0 0 -6 p1 25 0 -6 p2 0 10 -6 p3 0 0 0 group EE ;砂质泥岩
generate zone brick p0 0 0 -7 p1 25 0 -7 p2 0 10 -7 p3 0 0 -6 group FF ;煤
generate zone brick p0 0 0 -11 p1 25 0 -11 p2 0 10 -11 p3 0 0 -7 group GG ;砂质泥岩
generate zone brick p0 0 0 -24.5 p1 25 0 -24.5 p2 0 10 -24.5 p3 0 0 -11 group HH ;粉砂岩
generate zone cyl p0 0 0 1.8 p1 2.7 0 1.8 p2 0 10 1.8 p3 0 0 4.5 group JJ ;半圆柱
gen zone reflect normal -1 0 0 origin 0 0 0 ;对称
attach face range z 6.9 7.1
attach face range z 14.9 15.1
attach face range z 1.7 1.9
attach face range z -0.1 0.1
model mech mohr
prop bulk 2.5e9 shear 0.73e9 tension 3.24e6 cohesion 5.4e6 friction 38 density 2350 range group AA
prop bulk 2.6e9 shear 0.75e9 tension 4.81e6 cohesion 6.1e6 friction 35 density 2440 range group BB
prop bulk 2.5e9 shear 0.73e9 tension 1.8e6 cohesion 5.4e6 friction 38 density 2350 range z 3 7
prop bulk 1.2e9 shear 0.48e9 tension 1.6e6 cohesion 3.9e6 friction 37 density 1484 range z 0 3
prop bulk 2.5e9 shear 0.73e9 tension 1.8e6 cohesion 5.4e6 friction 38 density 2350 range group EE
prop bulk 1.2e9 shear 0.48e9 tension 1.6e6 cohesion 3.9e6 friction 37 density 1484 range group FF
prop bulk 2.5e9 shear 0.73e9 tension 1.8e6 cohesion 5.4e6 friction 38 density 2350 range group GG
prop bulk 2.1e9 shear 0.64e9 tension 3.3e6 cohesion 5.3e6 friction 37.6 density 2580 range group HH
set gravity 0 0 -9.8
fix x range x -25.1 -24.9
fix x range x 24.9 25.1
fix y range y -0.1 0.1
fix y range y 10.9 11.1
fix z range z -24.4 -24.6
ini szz -2.6e6 grad 0 0 2.35e4 range group AA
ini szz -2.9e6 grad 0 0 2.44e4 range group BB
ini szz -3.1e6 grad 0 0 2.35e4 range z 3 7
ini szz -3.2e6 grad 0 0 1.484e4 range z 0 3
ini szz -3.24e6 grad 0 0 2.35e4 range group EE
ini szz -3.38e6 grad 0 0 1.484e4 range group FF
ini szz -3.38e6 grad 0 0 2.35e4 range group GG
ini szz -3.48e6 grad 0 0 2.58e4 range group HH
ini syy -1e6
ini sxx -1e6
apply szz -2.6e6 range z 27.4 27.6
solve
plot zone
;保存了，然后是开挖的命令
ini xdis 0.0 ydis 0.0 zdis 0.0
hist purge
model null range x -2.7 2.7 z 0 1.8 y 0 10
model null range group JJ
solve
plot zone colorby state
再次谢谢各位了
