[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 tP|ox]  
round 0.05 Xm~N Bt  
blo 0,0 0,200 300,200 300,0 RJ$x{$r[  
;底板 _4X3g%nXl  
;01砂岩（69m） U^9#uK6GM  
cr 0,0 300,0 I8  
cr 0,69 300,69 B3@\Ua)  
;02煤层 H>|*D~RdT  
cr 0,71 300,71 zd{\XW  
;03泥岩 R9^RG-x  
cr 0,75 300,75 RhSoD.Da  
;04煤层 `:fh$V5J>  
cr 0,76 300,76 [?VkwFD0  
;05砂岩（直接底） 4cJka~  
cr 0,80 300,80 q,.@<sW
 
;06开挖煤层 4inMd![  
cr 0,82 300,82 Y|F~w~Cb  
;顶板 e!1am%aE  
;07泥岩（直接顶） T1YbF/M'  
cr 0,86 300,86 !sh>`AF  
;08砂质泥岩 KO=H!Em\l  
cr 0,89 300,89 ,h* 'Cs04h  
;09煤层 Kbqx)E$iL  
cr 0,90 300,90 ^wb$wtL('  
;10砂岩 D+CP?} /  
cr 0,93 300,93 w72\'  
;11泥砂岩互层 i
fcC [.im  
cr 0,104 300,104 k\}\>&Zqu  
;12砂岩 m4'x>Z  
cr 0,200 300,200 ~_|ZUb  
;开挖分块 #PA 9bM  
cr 75,80 75,82 crr#tad.  
cr 225,80 225,82 >~rytg]f  
;节理划分 .=/TT|eMS  
;01砂岩(69m) A=\:b^\  
jreg id 1 0,0 0,69 300,69 300,0 C{FE*@U.  
jset 0,0 300,0 14,0 14,0 0,14 range jreg 1 CdTE~O<)  
jset 90,0 14,0 14,0 20,0 20,0 range jreg 1 hta y-  
jset 90,0 14,0 14,0 20,0 10,14 range jreg 1 [Qn$i/`J  
;02煤层(2m) {3|h^h_R  
jreg id 2 0,69 0,71 300,71 300,69 range jreg 2 c7t.  
jset 90,0 2,0 2,0 15,0 7.5,69 range jreg 2 L~&r.81  
;03泥岩(4) &>
3AL,  
jreg id 3 0,71 0,75 300,75 300,71 h0zv@,u  
jset 90,0 4,0 4,0 15,0 15,71 range jreg 3 nT/Azg  
;04煤层(1m) &&`-A6`p  
jreg id 4 0,75 0,76 300,76 300,75 78FLy7  
jset 90,0 1,0 1,0 10,0 10,75 range jreg 4 "Rr650w[  
;05砂岩(4m) yMKVF`D*  
jreg id 5 0,76 0,80 300,80 300,76 'EkuCL  
jset 0,0 300,0 2,0 2,0 0,78 range jreg 5 t@3y9U$  
jset 90,0 2,0 2,0 10,0 5,76 range jreg 5 5<h:kZ"S^g  
jset 90,0 2,0 2,0 10,0 10,78 range jreg 5 OEXa^M4x   
;06开挖煤层(2m) ]E}eM@xdD  
jreg id 6 0,80 0,82 300,82 300,80 fH?s~X]  
jset 0,0 300,0 300,0 0.5,0 0,80.5 range jreg 6 }\hz@G<  
jset 90,0 0.5,0 0.5,0 1,0 0.5,80 range jreg 6  [?moS!  
jset 90,0 0.5,0 0.5,0 1,0 1,80.5 range jreg 6 c"`CvQO64  
;07泥岩(4m) Kb*X2#;*  
jreg id 7 0,82 0,86 300,86 300,82 3mLtnRX[m  
jset 0,0 300,0 300,0 1,0 0,83 range jreg 7 fzW!-  
jset 90,0 1,0 1,0 1,0 2.5,82 range jreg 7 DkeFDzQ5  
jset 90,0 1,0 1,0 1,0 5,83 range jreg 7 71OQ?fc  
;08砂质泥岩(3m) E6s)J -a  
jreg id 8 0,86 0,89 300,89 300,86 XjU/7Q  
jset 0,0 300,0 0,0 1.5,0 0,87.5 range jreg 8 DY8w\1g"  
jset 90,0 1.5,0 1.5,0 10,0 10,86 range jreg 8 ^,6c9Dxy  
jset 90,0 1.5,0 1.5,0 10,0 5,87.5 range jreg 8 ~cb7]^#u1l  
;09煤层(1m) j@Y'>3  
jreg id 9 0,89 0,90 300,90 300,89 "\l#q$1h  
jset 90,0 1,0 1,0 10,0 10,89 range jreg 9 i'uSu8$'*  
;10砂岩(3m) asKAHVT(  
jreg id 10 0,90 0,93 300,93 300,90 vALH!Kh  
jset 90,0 3,0 3,0 15,0 7.5,90 range jreg 10 n
lR7V.  
;11砂泥岩互层(11m) L31#v$
;4  
jreg id 11 0,93 0,104 300,104 300,93 
Yjh02wo  
jset 0,0 300,0 0,0 4,0 0,97 range jreg 11 ]5:0.$5  
jset 90,0 4,0 4,0 15,0 15,93 range jreg 11 'qiDh[ATa  
jset 90,0 4,0 4,0 15,0 7.5,97 range jreg 11 8\$u/(DX  
;12砂岩(96m) ;.&k zzvJ  
jreg id 12 0,104 0,200 300,200 300,104 Tu_4kUCR!f  
jset 0,0 300,0 0,0 14,0 0,118 range jreg 12 HkdBPMs79  
jset 90,0 14,0 14,0 20,0 20,104 range jreg 12 ^y<8&ZFH  
jset 90,0 14,0 14,0 20,0 10,118 range jreg 12 ko`.nSZ-k  
change con=3 6"u"B-cz  
;设置材料号 pij%u<  
change mat 1 range jreg 1 ,?`Zrxe[  
change mat 2 range jreg 2 .5GGZfJ]  
change mat 3 range jreg 3 :a'[4w  
change mat 2 range jreg 4 |,WP)  
change mat 1 range jreg 5 Ae_:Kc6  
change mat 2 range jreg 6 ,*d<hBGbh  
change mat 3 range jreg 7 ExZ|_7^<  
change mat 4 range jreg 8 {*AYhZ  
change mat 2 range jreg 9 +`'>  
change mat 1 range jreg 10 \jHIjFwQ  
change mat 5 range jreg 11 >4]y)df5  
change mat 1 range jreg 12 w ;xbQZ|+  
;设置材料参数 [^eQGv[S  
prop mat 1 dens=2780 bulk=11.5e9 shear=9.5e9 fric=36 coh=1.3e7 tens=1e6 m53
~Ysq<
 
prop mat 2 dens=1400 bulk=2.78e9 shear=2.08e9 fric=35 coh=0.75e6 tens=3e5 m-MfFEZ  
prop mat 3 dens=2560 bulk=4.29e9 shear=3.92e9 fric=32 coh=1e6 tens=0.8e6 9]PMti  
prop mat 4 dens=2560 bulk=6.29e9 shear=6.92e9 fric=35 coh=1.2e7 tens=1e6 h0;R*c  
prop mat 5 dens=2660 bulk=6.5e9 shear=6.75e9 fric=35 coh=0.5e6 tens=0.5e6 T<K/bzB3z  
;设置节理材料号 Hm 17El68  
change jmat 1 range jreg 1 I
|vfxf  
change jmat 2 range jreg 2 ]r(s02  
change jmat 3 range jreg 3 N7mYE  
change jmat 4 range jreg 4 aW;DfH  
change jmat 5 range jreg 5 GfL:0  
change jmat 6 range jreg 6 N2$uw@s  
change jmat 7 range jreg 7 .[C@p`DZ  
change jmat 8 range jreg 8 zT ; +akq  
change jmat 9 range jreg 9 ,]_<8@R  
change jmat 10 range jreg 10 ]T1\gv1~  
change jmat 11 range jreg 11 /=S\v<z  
change jmat 12 range jreg 12 )5/,B-+O"  
;设置节理参数 &v g[k#5  
prop jmat 1 jkn=17.24e9 jks=7.33e9 jfric=36 cX4I+Mf  
prop jmat 2 jkn=27.73e9 jks=11.55e9 jfric=35 ECr}7R%  
prop jmat 3 jkn=23.76e9 jks=10.33e9 jfric=32 3&KRG}5  
prop jmat 4 jkn=55.46e9 jks=23.09e9 jfric=35 G)3Q|Vc  
prop jmat 5 jkn=120.68e9 jks=51.31e9 jfric=36 }C<$q  
prop jmat 6 jkn=110.93e9 jks=46.18e9 jfric=35       cOvdC4   
prop jmat 7 jkn=95.04e9 jks=41.32e9 jfric=32 W?R@ eq.9  
prop jmat 8 jkn=103.29e9 jks=47.06e9 jfric=35 O("13cU  
prop jmat 9 jkn=55.46e9 jks=23.09e9 jfric=35 i{4J$KT  
prop jmat 10 jkn=80.45e9 jks=34.2e9 jfric=36   X@H/"B%u2  
prop jmat 11 jkn=38.69e9 jks=14.71e9 jfric=35 O7# 8g$ZIv  
prop jmat 12 jkn=17.24e9 jks=7.33e9 jfric=36 4-JyK%m,0  
;施加初始应力条件  r=25000  按开挖煤层上表面埋深400米计算 ,V.Bzf%=O  
bound stress 0,0,-7.05e6 range -0.1,300.1 199.9,200.1 *8I &|)x  
insitu stress -9.64e6,0,-7.05e6 szz=-9.64e6 & ygard -2e4,0,0 zgrad 0,-2e4 =R
jseTS  
;施加初始位移条件 8Ao pI3  
bound xvel=0.0 range -0.1,0.1 -0.1,200.1 JNxrs~}  
bound xvel=0.0 range 299.9,300.1 -0.1,200.1 W|AK"vf  
bound yvel=0.0 range -0.1,300.1 -0.1,0.1 r Zg(%6@  
set grav 0.0 -9.81 GVld]ioycG  
hist unbal V[ 'lB.&t  
solve rat 1e-5 9y{R_  

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   {YF(6wVl  
insitu stress -9.64e6,0,-7.05e6 szz=-9.64e6 & ygard -2e4,0,0 zgrad 0,-2e4 *d31fBCk%   1}ws@hU  
你检查下两个应力是否一致