lac3d 隧道开挖模拟 请教大神 为什么我算出的沉降随埋深增加而增加 下面有命令流 求大神解惑 是什么问题
new
rest shen12.sav
set gravity 0 -10 0
fix x range x -0.5 0.5
fix x range x 53.9 54.1
fix z range z -0.5 0.5
fix z range z -36.1 -35.9
fix x y z range y -0.5 0.5
model mohr
ini density 2010
prop bulk=8.8e6 shear=4.1e6 fric=17 coh=2.8e4
step 3000
save gshen12.sav
;
rest gshen12.sav
initial xdisp=0 ydisp=0 zdisp=0
model null range group 1 z 0 -6
model elas range group 2 z 0 -6
model elas range group 3 z 0 -6
ini density 2500 range group 2 z 0 -6
prop bulk=16.7e6,shear=12.5e6 range group 2 z 0 -6
ini density 2200 range group 3 z 0 -6
prop bulk=11.5e6,shear=9.5e6 range group 3 z 0 -6
step 1000
set mech ratio 1E-5
save shen121.sav
;
rest shen121.sav
model null range group 1 z -6 -12
model elas range group 2 z -6 -12
model elas range group 3 z -6 -12
ini density 2500 range group 2 z -6 -12
prop bulk=16.7e6,shear=12.5e6 range group 2 z -6 -12
ini density 2200 range group 3 z -6 -12
prop bulk=11.5e6,shear=9.5e6 range group 3 z -6 -12
step 1000
set mech ratio 1E-5
save shen122.sav
;
rest shen122.sav
model null range group 1 z -12 -18
model elas range group 2 z -12 -18
model elas range group 3 z -12 -18
ini density 2500 range group 2 z -12 -18
prop bulk=16.7e6,shear=12.5e6 range group 2 z -12 -18
ini density 2200 range group 3 z -12 -18
prop bulk=11.5e6,shear=9.5e6 range group 3 z -12 -18
step 1000
set mech ratio 1E-5
save shen123.sav
;
rest shen123.sav
model null range group 1 z -18 -24
model elas range group 2 z -18 -24
model elas range group 3 z -18 -24
ini density 2500 range group 2 z -18 -24
prop bulk=16.7e6,shear=12.5e6 range group 2 z -18 -24
ini density 2200 range group 3 z -18 -24
prop bulk=11.5e6,shear=9.5e6 range group 3 z -18 -24
step 1000
set mech ratio 1E-5
save shen124.sav
;
rest shen124.sav
model null range group 1 z -24 -30
model elas range group 2 z -24 -30
model elas range group 3 z -24 -30
ini density 2500 range group 2 z -24 -30
prop bulk=16.7e6,shear=12.5e6 range group 2 z -24 -30
ini density 2200 range group 3 z -24 -30
prop bulk=11.5e6,shear=9.5e6 range group 3 z -24 -30
step 1000
set mech ratio 1E-5
save shen125.sav
;
rest shen125.sav
model null range group 1 z -30 -36
model elas range group 2 z -30 -36
model elas range group 3 z -30 -36
ini density 2500 range group 2 z -30 -36
prop bulk=16.7e6,shear=12.5e6 range group 2 z -30 -36
ini density 2200 range group 3 z -30 -36
prop bulk=11.5e6,shear=9.5e6 range group 3 z -30 -36
step 1000
set mech ratio 1E-5
save shen126.sav
