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请各位牛人指点一下，刚建了个小模型，但是没法算。帮忙看一下哪里的问题。谢谢了。
finish
/clear
/TITLE,wenchao !指定标题
/COM,Structural !选择分析类型为结构分析
/prep7
!建立第一榀关键点
k,1,0,0,0
k,2,5000,-555,0
k,3,5000,1696,0
k,4,10000,-890,0
k,5,10000,2678,0
k,6,15000,-1000,0
k,7,15000,3000,0
k,8,20000,-890,0
k,9,20000,2678,0
k,10,25000,-555,0
k,11,25000,1696,0
k,12,30000,0,0
!建立第一榀线
lstr,1,2
lstr,2,3
lstr,2,4
lstr,4,5
lstr,4,6
lstr,6,7
lstr,6,8
lstr,8,9
lstr,8,10
lstr,10,11
lstr,10,12
!整体复制偏移，建立第一、第三榀线和相应关键点
lgen,3,1,11,,0,0,-6000
!建立纵向梁
*do,i,1,11,2
lstr,i,i+12
lstr,i+12,i+24
*enddo
lstr,12,12+12
lstr,12+12,12+24
!建立横向梁
*do,i,1,9,2
lstr,i,i+2
*enddo
*do,i,13,21,2
lstr,i,i+2
*enddo
*do,i,25,33,2
lstr,i,i+2
*enddo
*do,i,11,35,12
lstr,i,i+1
*enddo
!添加斜撑
lstr,7,17
lstr,17,31
lstr,7,21
lstr,21,31
!截止
!索单元定义,仅受拉,且施加预应力
et,1,link10
*SET,RCAB,5
r,1,3.14*RCAB*RCAB,0.005
!撑杆单元定义
et,2,link8
*SET,RCG,5
r,2,3.14*RCG*RCG
!梁单元定义
et,3,beam189
SECTYPE, 1, BEAM, CTUBE, section1, 3
SECOFFSET, CENT
SECDATA,40,45,8
!定义材料属性
MAT,1
MAT1=1
MP,DENS,MAT1,7850e-9
MP,EX,MAT1,2.06E5 !定义弹性模量
MP,NUXY,MAT1,0.3 !定义泊松比
TB,BISO,MAT1,1,4 !定义双线性本构参数，温度为1
TBTEMP,1.0 !第一种温度下的数据
TBDATA,1,235,1000 !屈服应力及剪切模量
!划分索单元
lsel,s,line,,1,11,2
lsel,a,line,,12,22,2
lsel,a,line,,23,33,2
latt,1,1,1,
lesize,all,,,4
lmesh,all
!划分撑杆单元
lsel,none
*do,i,2,10,2
lsel,a,line,,i,i+22,11
*enddo
latt,1,2,2,
lesize,all,,,1
lmesh,all
!划分梁单元
lsel,s,line,,34,69,1
latt,1,,3,,,,1
lesize,all,,,4
lmesh,all
!约束底部关键点
dk,1,ux,0,0,0,uy,uz
dk,12,uy,0,0,0,uy,uz
dk,13,ux,0,0,0,uy,uz
dk,24,uy,0,0,0,uz,uy
dk,25,ux,0,0,0,uy,uz
dk,36,uy,0,0,0,uz,uy
!设置加速度9.8
acel,,9.8,,
finish
/solu
antype,static
solve
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