v:$Y
|mh
我的这个模拟是基于这样一个问题:采矿中开挖4条同样支护方式的巷道,但是巷道的位置不同(煤柱的宽度不同) H">
}yD
;在其中使用了几重循环,可能对初学者有参考价值,我也常常看论坛的资料,现在自己贡献一点。 (s.S
n(E
;这个文件可以直接运行的。 (T0%H<#+
;建立网格 820m*900m*350m 网格51*30*30=4.59万网格 dq
~=P>
gen zone brick size 10 30 4 & rhe;j/ /`
p0 0 0 0 p1 295 0 0 p2 0 900 0 p3 0 0 40 ratio 0.8 1 1 G#A& Y$
gen zone brick size 8 30 4 & .EUOKPK4W
p0 295 0 0 p1 335 0 0 p2 295 900 0 p3 295 0 40 l~Sn`%PgA
gen zone brick size 15 30 4 & o\YF_235
p0 335 0 0 p1 485 0 0 p2 335 900 0 p3 335 0 40 *QpKeI
gen zone brick size 8 30 4 & Zcn,_b7
p0 485 0 0 p1 525 0 0 p2 485 900 0 p3 485 0 40 onj:+zl
gen zone brick size 10 30 4 & <U]#722
p0 525 0 0 p1 820 0 0 p2 525 900 0 p3 525 0 40 ratio 1.25 1 1 L3-tD67oa
gen zone brick size 10 30 10 & nY<hfqof
p0 0 0 40 p1 295 0 40 p2 0 900 40 p3 0 0 50 ratio 0.8 1 1 i
bwnK?ZA
gen zone brick size 8 30 10 & 0Ie9T1D=
p0 295 0 40 p1 335 0 40 p2 295 900 40 p3 295 0 50 ,HdFE|
gen zone brick size 15 30 10 & URD<KIN>
p0 335 0 40 p1 485 0 40 p2 335 900 40 p3 335 0 50 i3} ^j?jA2
gen zone brick size 8 30 10 & 0BTLIV$d;
p0 485 0 40 p1 525 0 40 p2 485 900 40 p3 485 0 50 Q!VPk~~(
gen zone brick size 10 30 10 & DOm5 azO!>
p0 525 0 40 p1 820 0 40 p2 525 900 40 p3 525 0 50 ratio 1.25 1 1 (_ElM>
gen zone brick size 10 30 6 & U8(Rye$
p0 0 0 50 p1 295 0 50 p2 0 900 50 p3 0 0 110 ratio 0.8 1 1 VJeN
m3WNb
gen zone brick size 8 30 6 & O2Mo ~}
p0 295 0 50 p1 335 0 50 p2 295 900 50 p3 295 0 110 {<- BU[H
gen zone brick size 15 30 6 & nEM>*;iE
p0 335 0 50 p1 485 0 50 p2 335 900 50 p3 335 0 110 43Yav+G(+
gen zone brick size 8 30 6 & \ oIVE+L/P
p0 485 0 50 p1 525 0 50 p2 485 900 50 p3 485 0 110 X|7Y|0o
gen zone brick size 10 30 6 & {>cO&eiCt
p0 525 0 50 p1 820 0 50 p2 525 900 50 p3 525 0 110 ratio 1.25 1 1 dEp?jJP$;
gen zone brick size 10 30 10 & f9g#pyH4
p0 0 0 110 p1 295 0 110 p2 0 900 110 p3 0 0 350 ratio 0.8 1 1.25 ToN$x^M
w
gen zone brick size 8 30 10 & dviL5Eaj
p0 295 0 110 p1 335 0 110 p2 295 900 110 p3 295 0 350 ratio 1 1 1.25 |mfQmFF
gen zone brick size 15 30 10 & =,~h]_\_
p0 335 0 110 p1 485 0 110 p2 335 900 110 p3 335 0 350 ratio 1 1 1.25 j [h4F"`-
gen zone brick size 8 30 10 & ]64mSB
p0 485 0 110 p1 525 0 110 p2 485 900 110 p3 485 0 350 ratio 1 1 1.25 1v4(
gen zone brick size 10 30 10 & lc=C
p0 525 0 110 p1 820 0 110 p2 525 900 110 p3 525 0 350 ratio 1.25 1 1.25 XY8s \DK
?1(' s0s\,
;本构关系、参数 ~Cj55S+
m m [2!K 6
prop den=2700 bulk=15e9 shear=60e8 fric=42 coh=2.61e6 range z 0 44 %Y` @>P'
prop den=1500 bulk=1e9 shear=4e8 fric=30 coh=1.4e6 range z 44 50 @hiwq7[j
prop den=2700 bulk=15e9 shear=60e8 fric=42 coh=2.61e6 range z 50 350 gHC -Y 0_
;边界、初始条件 qlSc[nEk
fix z range z -0.1 0.1 q@p-)+D;
fix x range x -0.1 0.1 5xi f0h-`
fix x range x 819.9 820.1 ']+ -u{+#
fix y range y -0.1 0.1 u4=j!Zb8}
fix y range y 899.9 900.1 por[p\ M.
;重力梯度化 "}]1OL S V
set grav 0 0 -10 <m80e),~
ini szz -9.45e6 grad 0,0,2.7e4 range z 50 350 )dJaF#6j
ini szz -8.85e6 grad 0,0,1.5e4 range z 44 50 ,iU ]zN//
ini szz -9.378e6 grad 0,0,2.7e4 range z 0 44 _{o=I?+]
hist unbal rs3Uk.Z^'
plot set plane nor 0 1 0 origin 0 100 0 ubIGs|p2c
plot con szz plan Ak$ghb
step 3000
S ;x;FU
hist unbal >yn%.Uoh@
save 4001.sav qDO4&NO
;没开挖前的的自重平衡,为状态1 k|,pj^
@#}9?>UV
rest 4001.sav tH<v1LEZN
;开挖巷道 9/MUzt
ini state=0 $Tt@Xu
ini xdis 0 ydis 0 zdis 0 l'(Cxhf.W
ini xvel 0 yvel 0 zvel 0 J56+eC(
;以下是自己写的几重循环的嵌套,可能对初学者有用。 Zg|z\VR
;开挖四条巷道加锚杆支护的实验 |*7uF<ink6
;定义一个函数 aa_2 A:1O:LB=!
def aa_2 A?3hNvfx
;定义一个循环变量 aaa,为了实现在不同位置开挖4条同样参数巷道,巷道位置循环,循环1 cX@~Hk4=\
loop aaa (1,4) tgDmHxB]0
caseof aaa mk1;22o{TX
case 1 I -i)D
x_d1=295 jpqq>Hbg_
case 2 Uq&ne1
x_d1=520 YZf<S:
;10m煤柱 [SgP1>M
case 3 ]?xF'3#
x_d1=310 =V1k'XJ
case 4 LQ?J
r>4
x_d1=505 ~!'%m(g
end_case r+0"1\f3
;定义几个变量,在下面的循环中要用到 (
=->rP
;左帮锚杆的起、终点变量 _n2PoE:5@P
x_d11=x_d1-1.4 *~fZ9EkD
;右帮锚杆的起、终点变量 BSG_),AH
x_d2=x_d1+5 FZnkQ
x_d21=x_d2+1.4 %L{ H_;z
;开挖巷道 *"0Yr`)S
command f
5_n2
model null range x x_d1 x_d2 y 0 900 z 44 47 5B
.+>u"e
endcommand Y*O7lZuF%
;在一定的范围内给巷道加锚杆,加帮锚杆和顶锚杆 __$IbF5
loop k (250,500) 3~BL!e,
y_d=k*0.8-0.8 %WCA?W0:4
;帮锚杆的参数及循环,每帮加3个锚杆 dx[<@f2c
loop a_2(1,3) tOwwgf
z_d1=44.0 "tUXYY
z_d1=z_d1+0.7*a_2 F$ x@]
;左、右两帮锚杆的定义 X(1nAeQ
command qI<6% ^i
sel cable beg x_d1,y_d,z_d1 end x_d11,y_d,z_d1 nseg 4 ?};}#%971
sel cable beg x_d2,y_d,z_d1 end x_d21,y_d,z_d1 nseg 4 N-
? U2V
sel cable prop emod 2e10 ytens 2.5e8 xcarea 1.0 gr_coh 1e10 gr_k 2e10 gr_per 1.0 QR'"Zw&q5/
endcommand EKk~~PhW 8
end_loop {Zjnf6d]
;顶锚杆的参数及循环,顶锚杆加6根 X\hD4r"
loop a_3(1,6) )m"NO/sJ2
x_d3=x_d1 &7T0nB/)
x_d3=x_d3+0.7*a_3 8[ 1D4d
;顶锚杆的定义 c}Y(Myd
command 1okL]VrI
sel cable beg x_d3,y_d,47 end x_d3,y_d,48.4 nseg 4 k _hiGg
sel cable prop emod 2e10 ytens 2.5e8 xcarea 1.0 gr_coh 1e10 gr_k 2e10 gr_per 1.0 on(F8%]zE
endcommand vyERt^z
end_loop 8=T;R&U^M
;结束每一个循环,大家可以根据位置来判断对应关系 D<#+ R"
end_loop ]}8<h5h)
end_loop 9<WMM)
end p(%7|'
aa_2 AGn:I??
step 500 +e%9P%[+
;开挖工作面、软化顶板 f$iv+7<B^
ini state=0 P
5m{}@g
model null range x 300 520 y 300 600 z 44 47 ;采底煤 IQoz8!guh:
step 500 3otia;&B
model null range x 300 520 y 300 600 z 47 50 ;放顶煤 Q4TI '/
prop den=2700 bulk=7.5e9 shear=30e8 fric=42 coh=1.3e6 range x 300 520 y 300 600 z 50 70 n%3rv?m7
step 1000 WcPDPu~/
save 401.sav
A<r@,*(g