[求助]求教！UDEC 模拟煤层开挖建模 无法初始平衡问题 [复制链接]

UDEC0501.txt (5 K) 下载次数:27 求教！！我建了一个模型 但是没法达到初始平衡，一直在循环，这个跟什么有关系的？除了边界条件，还跟什么有关？望高手不吝赐教~附件里有所有的命令。以下也是 %H~q3|z  
round 0.05 r3hjGcpaX  
blo 0,0 0,200 300,200 300,0 aT(Pf7 O  
;底板 gx4`pH;B\  
;01砂岩（69m） kE,~NG9P
  
cr 0,0 300,0 v(FO8*5DZ  
cr 0,69 300,69 !V
Zl<|  
;02煤层 /%$'N$@f  
cr 0,71 300,71 /Y:_qsO1  
;03泥岩 rgB`<[:b  
cr 0,75 300,75 YQ4;X8I`r  
;04煤层 Q)C#)|S  
cr 0,76 300,76 f<uLbJ6  
;05砂岩（直接底） 9O?.0L  
cr 0,80 300,80 ]Tf.KUm  
;06开挖煤层 #_QvnQ?I  
cr 0,82 300,82 _I&0HRi  
;顶板 7}%3Aw6]S  
;07泥岩（直接顶） mNKe,H0  
cr 0,86 300,86 p44d&9  
;08砂质泥岩 4kT|/bp  
cr 0,89 300,89 +~ :1H.  
;09煤层 Xl2Fgg}#  
cr 0,90 300,90 *r?g&Vw$m  
;10砂岩 !?Z}b.%W  
cr 0,93 300,93 X/];*='Q  
;11泥砂岩互层 PsEm(.z  
cr 0,104 300,104 $9+}$lpPd  
;12砂岩 q3VE\&*^F  
cr 0,200 300,200 iwJBhu0@#  
;开挖分块 CP|N
2rb  
cr 75,80 75,82 Z%N{Y x(  
cr 225,80 225,82 ]b.@i&M  
;节理划分 ZJ 8~f  
;01砂岩(69m) D+LeZBJ  
jreg id 1 0,0 0,69 300,69 300,0 I`t"Na2i  
jset 0,0 300,0 14,0 14,0 0,14 range jreg 1 `T{{wty  
jset 90,0 14,0 14,0 20,0 20,0 range jreg 1 aa.EtKl  
jset 90,0 14,0 14,0 20,0 10,14 range jreg 1 G! zV=p  
;02煤层(2m) ^uMy|d  
jreg id 2 0,69 0,71 300,71 300,69 range jreg 2 |5Mhrb4.  
jset 90,0 2,0 2,0 15,0 7.5,69 range jreg 2 C=h$8Q  
;03泥岩(4) -G(z!ed  
jreg id 3 0,71 0,75 300,75 300,71 oS/<)>\Gv  
jset 90,0 4,0 4,0 15,0 15,71 range jreg 3 a_L&*%;  
;04煤层(1m) tcwE.>5O  
jreg id 4 0,75 0,76 300,76 300,75 S@z$,}Yc`<  
jset 90,0 1,0 1,0 10,0 10,75 range jreg 4 k5$_Q#  
;05砂岩(4m) Aw;~b&.U{_  
jreg id 5 0,76 0,80 300,80 300,76 ya5;C"  
jset 0,0 300,0 2,0 2,0 0,78 range jreg 5 7cK#fh"hvg  
jset 90,0 2,0 2,0 10,0 5,76 range jreg 5 {Lk~O)E  
jset 90,0 2,0 2,0 10,0 10,78 range jreg 5 ?2 u_E "  
;06开挖煤层(2m) *"P :ySA  
jreg id 6 0,80 0,82 300,82 300,80 QSW03/_f  
jset 0,0 300,0 300,0 0.5,0 0,80.5 range jreg 6 FdKp@&O+1  
jset 90,0 0.5,0 0.5,0 1,0 0.5,80 range jreg 6 (%oZgvM  
jset 90,0 0.5,0 0.5,0 1,0 1,80.5 range jreg 6 pOyM/L   
;07泥岩(4m) Qa5<go{  
jreg id 7 0,82 0,86 300,86 300,82 S3MMyS8  
jset 0,0 300,0 300,0 1,0 0,83 range jreg 7 .D-}2<z  
jset 90,0 1,0 1,0 1,0 2.5,82 range jreg 7 a,#f%#J\  
jset 90,0 1,0 1,0 1,0 5,83 range jreg 7 S?D|"#-,  
;08砂质泥岩(3m) q<@f3[A  
jreg id 8 0,86 0,89 300,89 300,86 1wW8D>f]K  
jset 0,0 300,0 0,0 1.5,0 0,87.5 range jreg 8 IwZn%>1N  
jset 90,0 1.5,0 1.5,0 10,0 10,86 range jreg 8 "e69aAA,  
jset 90,0 1.5,0 1.5,0 10,0 5,87.5 range jreg 8 Lf3Ri/@ p  
;09煤层(1m) #y&3`Nz3  
jreg id 9 0,89 0,90 300,90 300,89 R."<he ;  
jset 90,0 1,0 1,0 10,0 10,89 range jreg 9 (i.MxGDd  
;10砂岩(3m) !qV{OXdrB
 
jreg id 10 0,90 0,93 300,93 300,90 V.XHjHT  
jset 90,0 3,0 3,0 15,0 7.5,90 range jreg 10 -=&
r}/&  
;11砂泥岩互层(11m) `5r*4N<  
jreg id 11 0,93 0,104 300,104 300,93 d8C?m*3J  
jset 0,0 300,0 0,0 4,0 0,97 range jreg 11 H\Y.l,^  
jset 90,0 4,0 4,0 15,0 15,93 range jreg 11 <dV|N$WV  
jset 90,0 4,0 4,0 15,0 7.5,97 range jreg 11 x4CrWm  
;12砂岩(96m) ?uc=(J+6  
jreg id 12 0,104 0,200 300,200 300,104 6m_Y%&   
jset 0,0 300,0 0,0 14,0 0,118 range jreg 12 %DqF_4U9  
jset 90,0 14,0 14,0 20,0 20,104 range jreg 12 u&I?LZ-=,  
jset 90,0 14,0 14,0 20,0 10,118 range jreg 12 K,&)\r kzD  
change con=3 f+}?$'  
;设置材料号 jJQ6]ucwa  
change mat 1 range jreg 1 |+~CdA  
change mat 2 range jreg 2 1tDd4r?Y  
change mat 3 range jreg 3 mEa\0oPGB  
change mat 2 range jreg 4 R3TdQ6j  
change mat 1 range jreg 5 ZF_*h`B  
change mat 2 range jreg 6 e4b`C>>  
change mat 3 range jreg 7 b2aPo M=  
change mat 4 range jreg 8 3!_y@sWx
 
change mat 2 range jreg 9 :XxsDD  
change mat 1 range jreg 10 XpJT
/&4  
change mat 5 range jreg 11 btkD<1{g  
change mat 1 range jreg 12 Zgkk%3'^'  
;设置材料参数 VU J*\Sg  
prop mat 1 dens=2780 bulk=11.5e9 shear=9.5e9 fric=36 coh=1.3e7 tens=1e6 H
{VVxj  
prop mat 2 dens=1400 bulk=2.78e9 shear=2.08e9 fric=35 coh=0.75e6 tens=3e5
R+Dx#Wn I  
prop mat 3 dens=2560 bulk=4.29e9 shear=3.92e9 fric=32 coh=1e6 tens=0.8e6 |>5NH'agV  
prop mat 4 dens=2560 bulk=6.29e9 shear=6.92e9 fric=35 coh=1.2e7 tens=1e6 c/DB"_}!a  
prop mat 5 dens=2660 bulk=6.5e9 shear=6.75e9 fric=35 coh=0.5e6 tens=0.5e6 T6=,A }t-  
;设置节理材料号 <.HX_z3l  
change jmat 1 range jreg 1 [w'Y3U\i  
change jmat 2 range jreg 2 dZFf/BXU  
change jmat 3 range jreg 3 N\ChA]Ck  
change jmat 4 range jreg 4 ^q-]."W]t~  
change jmat 5 range jreg 5 v#q7hw=  
change jmat 6 range jreg 6 Wz)s#  
change jmat 7 range jreg 7 x9bfH1  
change jmat 8 range jreg 8
X!ZUR^  
change jmat 9 range jreg 9 tV%:sk^d  
change jmat 10 range jreg 10 5<wIJ5t  
change jmat 11 range jreg 11 L9M0vkgri  
change jmat 12 range jreg 12 vOy;=0$  
;设置节理参数 `wj<d>m  
prop jmat 1 jkn=17.24e9 jks=7.33e9 jfric=36 3.Z}2F]  
prop jmat 2 jkn=27.73e9 jks=11.55e9 jfric=35 |k1(|)%G  
prop jmat 3 jkn=23.76e9 jks=10.33e9 jfric=32 5tdFd"oo  
prop jmat 4 jkn=55.46e9 jks=23.09e9 jfric=35 J.W0F#?  
prop jmat 5 jkn=120.68e9 jks=51.31e9 jfric=36 .aV#W@iyK  
prop jmat 6 jkn=110.93e9 jks=46.18e9 jfric=35       hm*1w6 =  
prop jmat 7 jkn=95.04e9 jks=41.32e9 jfric=32 @W[`^jfQ  
prop jmat 8 jkn=103.29e9 jks=47.06e9 jfric=35 87l(a,#J  
prop jmat 9 jkn=55.46e9 jks=23.09e9 jfric=35 vnwS&;-k~  
prop jmat 10 jkn=80.45e9 jks=34.2e9 jfric=36   v^1_'PAXu  
prop jmat 11 jkn=38.69e9 jks=14.71e9 jfric=35 S+ gzl#r  
prop jmat 12 jkn=17.24e9 jks=7.33e9 jfric=36 a'u:1C^\  
;施加初始应力条件  r=25000  按开挖煤层上表面埋深400米计算 ]&w8"q  
bound stress 0,0,-7.05e6 range -0.1,300.1 199.9,200.1 R".~{6  
insitu stress -9.64e6,0,-7.05e6 szz=-9.64e6 & ygard -2e4,0,0 zgrad 0,-2e4 h)fJ2]JW8W  
;施加初始位移条件 o
*)>
aw  
bound xvel=0.0 range -0.1,0.1 -0.1,200.1 h}r.(MVt  
bound xvel=0.0 range 299.9,300.1 -0.1,200.1 |l'BNuiU  
bound yvel=0.0 range -0.1,300.1 -0.1,0.1 -7,xjn  
set grav 0.0 -9.81 #\3(rzQVO  
hist unbal _;/onM  
solve rat 1e-5 |(G^3+5Uwm  

我虽然不会udec  但个人认为   你试着把收敛条件放大点   或者是不是有什么 steps 之类的   也可以调试一下！！

bound stress 0,0,-7.05e6 range -0.1,300.1 199.9,200.1 c GyBml1   o m9zb&{tu  
insitu stress -9.64e6,0,-7.05e6 szz=-9.64e6 & ygard -2e4,0,0 zgrad 0,-2e4 *d31fBCk%   ~t0\Q; @($  
你检查下两个应力是否一致