命令流：
RO_FRONT=1
RO_REAR=1
TH_z=1 !厚度
TH_y=1 !宽度
/prep7
et,1,beam4
mp,ex,1,3.25e10*RO_FRONT
mp,nuxy,1,0.3
mp,ex,2,3.25e10*RO_REAR
mp,nuxy,2,0.3
mp,ex,3,3.25e10
mp,nuxy,3,0.3
et,2,combin14
et,3,combin14
!r,1,1,0.083
R,1,TH_z*TH_y,TH_y*TH_z**3/12,TH_z*TH_y**3/12,1,1,,
r,2,5000
r,3,96000
!（弹簧关键点的建立）
n,5,,-1
n,6,3,-1
n,7,-1,1
n,8,-1,2
n,9,-1,3
n,10,-1,4
n,11,-1,5
n,12,-1,6
n,13,-1,7
n,14,-1,8
n,15,0,1
n,16,0,2
n,17,0,3
n,18,0,4
n,19,0,5
n,20,0,6
n,21,0,7
n,22,0,8
n,23,0,9
n,24,0,10
n,25,0,11
n,26,0,12
n,27,0,13
n,28,0,14
n,29,0,15
n,30,3,15
n,31,3,14
n,32,3,13
n,33,3,12
n,34,3,11
n,35,3,10
n,36,3,9
n,37,3,8
n,38,3,7
n,39,3,6
n,40,3,5
n,41,3,4
n,42,3,3
n,43,3,2
n,44,3,1
n,1,0,0
n,2,3,0
!（桩体关键点的建立）
k,1
k,2,,16
k,3,3,16
k,4,3
l,1,2
l,2,3
l,3,4
!latt,1,1,1
!latt,1,2,1
LSEL,S,,,1
latt,1,1,1
LSEL,S,,,2
latt,3,1,1
LSEL,S,,,3
latt,2,1,1 !（定义各线属性，实常数）
ALLSEL
lesize,1,,,16
lesize,2,,,3
lesize,3,,,16 !（线分段数)
lmesh,all !（划分网格）
type,2
real,2 !（桩间土体弹簧建模）
e,15,44
e,16,43
e,17,42
e,18,41
e,19,40
e,20,39
e,21,38
e,22,37
e,23,36
e,24,35
e,25,34
e,26,33
e,27,32
e,28,31
e,29,30
type,3
real,3 !（桩侧土体弹簧建模）
e,5,1
e,6,2
e,7,15
e,8,16
e,9,17
e,10,18
e,11,19
e,12,20
e,13,21
e,14,22
!（将弹簧端点固定）
d,5,all
d,6,all
d,7,all
d,8,all
d,9,all
d,10,all
d,11,all
d,12,all
d,13,all
d,14,all
D,ALL,UZ
!dk,1,all
!dk,4,all !(桩底端只允许Y方向上的位移)
/pnum,elem,1 !（设置单元号显示）
sfbeam,20,2,pres,6.9,20.7 !(梁单元加载)
sfbeam,21,2,pres,20.7,34.5
sfbeam,22,2,pres,34.5,48.3
sfbeam,23,2,pres,48.3,62.1
sfbeam,24,2,pres,62.1,75.9
sfbeam,25,2,pres,75.9,89.7
sfbeam,26,2,pres,89.7,103.5
sfbeam,27,2,pres,103.5,117.3
sfbeam,28,2,pres,117.3,131.1
sfbeam,29,2,pres,131.1,144.9
sfbeam,30,2,pres,144.9,158.7
sfbeam,31,2,pres,158.7,172.5
sfbeam,32,2,pres,172.5,186.3
sfbeam,33,2,pres,186.3,200.1
sfbeam,34,2,pres,200.1,213.9
sfbeam,35,2,pres,213.9,227.7
sfbeam,19,2,pres,10
sfbeam,18,2,pres,10
sfbeam,17,2,pres,10
CPINTF,ALL,0.0001,
finish
/solu
ALLSEL
solve
上面是我的命令流 算出来就是不符合正常双排桩变化规律 求大神指导
