ansys 节点位移超了.帮我看看命令流哪里错了.很简单的一个命令

ansys 节点位移超了.帮我看看命令流哪里错了.很简单的一个命令
***划分管道单元***
LESIZE,11,20
LESIZE,12,20
LESIZE,13,20
LESIZE,14,20
LESIZE,15,20
LESIZE,16,20
LESIZE,17,20
LESIZE,18,20
TYPE,1
MAT,1
mshape,0,2D
mshkey,0 Use mapped meshing.
amesh,4
划分土
ESIZE,0.4
TYPE,1
MAT,2
mshape,0,2D
mshkey,1 Use free meshing.
amesh,1
amesh,3
ESIZE,0.2
TYPE,1
MAT,2
mshape,0,2D
mshkey,1 Use free meshing.
amesh,2
**添加接触单元-管道部分
/SOLU
LSEL,S,1,4,3,0
DL,ALL,ALL
DL,5,ALL
LSEL,S,9,10,1,0
DL,ALL,ALL 土体的三周设置全约束
ALLSEL,ALL
ACEL,-9.8,施加重力加速度-9.8