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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) Ye>+
;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。 J+hifO
;这个文件可以直接运行的。 9!D
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;建立网格 820m*900m*350m 网格51*30*30=4.59万网格 KDDx[]1Q
gen zone brick size 10 30 4 & jwwst\f
p0 0 0 0 p1 295 0 0 p2 0 900 0 p3 0 0 40 ratio 0.8 1 1 'w\Gd7E
gen zone brick size 8 30 4 & k.H4Mf(4
p0 295 0 0 p1 335 0 0 p2 295 900 0 p3 295 0 40 R_:-Z.
gen zone brick size 15 30 4 & )L,Nh~
p0 335 0 0 p1 485 0 0 p2 335 900 0 p3 335 0 40 )f%Q7
gen zone brick size 8 30 4 & O0mQHpi:
p0 485 0 0 p1 525 0 0 p2 485 900 0 p3 485 0 40 zn\$6'"
gen zone brick size 10 30 4 & |X~vsM0
p0 525 0 0 p1 820 0 0 p2 525 900 0 p3 525 0 40 ratio 1.25 1 1 .8CfCRq
gen zone brick size 10 30 10 & 9v}vCg
p0 0 0 40 p1 295 0 40 p2 0 900 40 p3 0 0 50 ratio 0.8 1 1 "fd'~e$S#
gen zone brick size 8 30 10 & 7{f{SIB
p0 295 0 40 p1 335 0 40 p2 295 900 40 p3 295 0 50 6~8dMy;w
gen zone brick size 15 30 10 & j2%#xZ{33
p0 335 0 40 p1 485 0 40 p2 335 900 40 p3 335 0 50 ]jP0Z#
gen zone brick size 8 30 10 & o-]8)G>~M
p0 485 0 40 p1 525 0 40 p2 485 900 40 p3 485 0 50 F;Ubdxwwl
gen zone brick size 10 30 10 &
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p0 525 0 40 p1 820 0 40 p2 525 900 40 p3 525 0 50 ratio 1.25 1 1 @#5?tk0
gen zone brick size 10 30 6 & k,[[
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p0 0 0 50 p1 295 0 50 p2 0 900 50 p3 0 0 110 ratio 0.8 1 1 ? ~_h3bHH
gen zone brick size 8 30 6 & T\T>\&nY+|
p0 295 0 50 p1 335 0 50 p2 295 900 50 p3 295 0 110 Vjr}"K$Y
gen zone brick size 15 30 6 & Ymg,NkiP0
p0 335 0 50 p1 485 0 50 p2 335 900 50 p3 335 0 110 ^c>ROpic
gen zone brick size 8 30 6 & ')E4N+h/
p0 485 0 50 p1 525 0 50 p2 485 900 50 p3 485 0 110 t~]tw
gen zone brick size 10 30 6 & 62/tg*)
p0 525 0 50 p1 820 0 50 p2 525 900 50 p3 525 0 110 ratio 1.25 1 1 5|oi*b
gen zone brick size 10 30 10 & z8w@pT
p0 0 0 110 p1 295 0 110 p2 0 900 110 p3 0 0 350 ratio 0.8 1 1.25 e= _7Q.cn
gen zone brick size 8 30 10 & mC`U"rlK~
p0 295 0 110 p1 335 0 110 p2 295 900 110 p3 295 0 350 ratio 1 1 1.25 LBhDP5qF
gen zone brick size 15 30 10 & 6J\A%i
p0 335 0 110 p1 485 0 110 p2 335 900 110 p3 335 0 350 ratio 1 1 1.25 |DoD.?v
gen zone brick size 8 30 10 & 1f5;^T
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p0 485 0 110 p1 525 0 110 p2 485 900 110 p3 485 0 350 ratio 1 1 1.25 brt`oR
gen zone brick size 10 30 10 & "& q])3h =
p0 525 0 110 p1 820 0 110 p2 525 900 110 p3 525 0 350 ratio 1.25 1 1.25 TbhsOf!
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;本构关系、参数 +0n,>eDjg^
m m Jb`yK@x
prop den=2700 bulk=15e9 shear=60e8 fric=42 coh=2.61e6 range z 0 44 'ewVn1ME[
prop den=1500 bulk=1e9 shear=4e8 fric=30 coh=1.4e6 range z 44 50 G%fNGQwT
prop den=2700 bulk=15e9 shear=60e8 fric=42 coh=2.61e6 range z 50 350 T:EUI]
;边界、初始条件 @LDu08lr
fix z range z -0.1 0.1 CLY>M`%?+p
fix x range x -0.1 0.1 )%(H'omvl
fix x range x 819.9 820.1 ? `#
fix y range y -0.1 0.1 I~U;M+n*y
fix y range y 899.9 900.1 P;lDri
;重力梯度化 17;qJ_T)
set grav 0 0 -10 UL\gcZ
Zkl
ini szz -9.45e6 grad 0,0,2.7e4 range z 50 350 \>|:URnD
ini szz -8.85e6 grad 0,0,1.5e4 range z 44 50 iJ~e8l0CA
ini szz -9.378e6 grad 0,0,2.7e4 range z 0 44 Q!}LtR$
hist unbal
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plot set plane nor 0 1 0 origin 0 100 0 *Y9' tHI
plot con szz plan KH76Vts
step 3000 ]Saw}agE[%
hist unbal F%e5j9X`
save 4001.sav yDBMm^
;没开挖前的的自重平衡,为状态1 Gw}b8N6E
&<S]=\
rest 4001.sav $8Y|&P
;开挖巷道 Qx}hiv/
ini state=0 AG<TY<nqL
ini xdis 0 ydis 0 zdis 0 G[[<-[C]5
ini xvel 0 yvel 0 zvel 0 FPXB>D'
;以下是自己写的几重循环的嵌套,可能对初学者有用。 Z "g6z#L&
;开挖四条巷道加锚杆支护的实验 R//S(eU68\
;定义一个函数 aa_2 GxcW^{;
def aa_2 ZuQ\Pyx
;定义一个循环变量 aaa,为了实现在不同位置开挖4条同样参数巷道,巷道位置循环,循环1 O2>W#7
loop aaa (1,4) ;CdxKr-d
caseof aaa e.pq6D5
case 1 }{m.\O
x_d1=295 WCZeY?_^c
case 2 !mRDzr7
x_d1=520 Z?tw#n[T
;10m煤柱 `?xE-S
;Pn
case 3 %W]"JwRu
x_d1=310 0w
]
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case 4 ,*'aH z
x_d1=505 1 :d,8
end_case n!t][d/g+
;定义几个变量,在下面的循环中要用到 AwO'%+Bv
;左帮锚杆的起、终点变量 1q;r4$n
x_d11=x_d1-1.4 QF`o%mI
;右帮锚杆的起、终点变量 rpO>l
x_d2=x_d1+5 : yC|Q)
x_d21=x_d2+1.4 xSoXf0zq:
;开挖巷道 @je vY81)
command /A~+32B
model null range x x_d1 x_d2 y 0 900 z 44 47 '2.11cM3
endcommand 2k3yf_N
;在一定的范围内给巷道加锚杆,加帮锚杆和顶锚杆 &C7HG^;W9
loop k (250,500) /C)FS?=
y_d=k*0.8-0.8 >On"BP# U
;帮锚杆的参数及循环,每帮加3个锚杆 f'3sT(1&
loop a_2(1,3) Q.Ljz
Z
z_d1=44.0
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z_d1=z_d1+0.7*a_2 0ge^pO\Z
;左、右两帮锚杆的定义 Ffp<|2T2_
command @:"GgkyDl#
sel cable beg x_d1,y_d,z_d1 end x_d11,y_d,z_d1 nseg 4 mrz@Y0mgL
sel cable beg x_d2,y_d,z_d1 end x_d21,y_d,z_d1 nseg 4 xg2
&
sel cable prop emod 2e10 ytens 2.5e8 xcarea 1.0 gr_coh 1e10 gr_k 2e10 gr_per 1.0 >E3 lY/[
endcommand Co#_Cyxg=9
end_loop iNAaTU
;顶锚杆的参数及循环,顶锚杆加6根 znl_~:.4]X
loop a_3(1,6) Vz,2_QJ
x_d3=x_d1 `2Oh0{x0*O
x_d3=x_d3+0.7*a_3 P?P))UB5
;顶锚杆的定义 qxe%RYdA'j
command L/R ES
sel cable beg x_d3,y_d,47 end x_d3,y_d,48.4 nseg 4 ?nAKB5=
sel cable prop emod 2e10 ytens 2.5e8 xcarea 1.0 gr_coh 1e10 gr_k 2e10 gr_per 1.0 =wy 3h0k^
endcommand W=k%aB?p
end_loop d@72z r
;结束每一个循环,大家可以根据位置来判断对应关系 WaRYrTDv64
end_loop TGJ\f
end_loop hj.Du+1
end g6. =(je
aa_2 =
5E:C P
step 500 ]'/ZSy,
;开挖工作面、软化顶板 S3k>34_%9
ini state=0 mxRe2<W
model null range x 300 520 y 300 600 z 44 47 ;采底煤 Pyx$$cj
step 500 Qb|.;_
model null range x 300 520 y 300 600 z 47 50 ;放顶煤 ymsqJ
prop den=2700 bulk=7.5e9 shear=30e8 fric=42 coh=1.3e6 range x 300 520 y 300 600 z 50 70 U "qO&;m
step 1000 q$Ol"K@
save 401.sav d%istFL)