ANSYS铁塔梁杆模型为啥刚度特别大？ 20
ANSYS铁塔梁杆模型为啥刚度特别大？模型按设计图规格建模，周期特别小，施加荷载位移特别小。
附ANSYS命令流：
/cle
/fil,TowerModeling
/tit,5AJ1Tower
/prep7
et,1,beam188
et,2,link8
mp,ex,1,2.1e11
mp,prxy,1,0.28
mp,dens,1,7850
tb,bkin,1
tbdata,1,3.45e8
mp,ex,2,2.1e11
mp,prxy,2,0.28
mp,dens,2,7850
tb,bkin,2
tbdata,1,2.35e8
!定义梁截面
sectype,1,beam,l,,0
secoffset,cent
secdata,0.16,0.16,0.014,0.014
sectype,2,beam,l,,0
secoffset,cent
secdata,0.16,0.16,0.012,0.012
sectype,3,beam,l,,0
secoffset,cent
secdata,0.16,0.16,0.01,0.01
sectype,4,beam,l,,0
secoffset,cent
secdata,0.14,0.14,0.012,0.012
sectype,5,beam,l,,0
secoffset,cent
secdata,0.125,0.125,0.01,0.01
sectype,6,beam,l,,0
secoffset,cent
secdata,0.125,0.125,0.008,0.008
sectype,7,beam,l,,0
secoffset,cent
secdata,0.1,0.1,0.01,0.01
sectype,8,beam,l,,0
secoffset,cent
secdata,0.1,0.1,0.008,0.008
sectype,9,beam,l,,0
secoffset,cent
secdata,0.09,0.09,0.007,0.007
sectype,10,beam,l,,0
secoffset,cent
secdata,0.08,0.08,0.007,0.007
sectype,11,beam,l,,0
secoffset,cent
secdata,0.07,0.07,0.005,0.005
sectype,12,beam,l,,0
secoffset,cent
secdata,0.063,0.063,0.005,0.005
sectype,13,beam,l,,0
secoffset,cent
secdata,0.056,0.056,0.005,0.005
sectype,14,beam,l,,0
secoffset,cent
secdata,0.05,0.05,0.005,0.005
sectype,15,beam,l,,0
secoffset,cent
secdata,0.05,0.05,0.004,0.004
sectype,16,beam,l,,0
secoffset,cent
secdata,0.045,0.045,0.004,0.004
!定义实常数
r,1,0.002737
r,2,0.002437
r,3,0.001724
r,4,0.001926
r,5,0.001564
r,6,0.00088
r,7,0.000741
r,8,0.000688
r,9,0.000614
r,10,0.000542
r,11,0.00048
r,12,0.00039
r,13,0.000349
!塔段1建模
n,1,5.25,0,5.25
n,2,5.25,0,-5.25
n,3,-5.25,0,-5.25
n,4,-5.25,0,5.25
n,5,4.1,9.1,4.1
n,6,4.1,9.1,-4.1
n,7,-4.1,9.1,-4.1
n,8,-4.1,9.1,4.1
n,9,4.1,9.1,0
n,10,0,9.1,-4.1
n,11,-4.1,9.1,0
n,12,0,9.1,4.1
n,13,2.05,9.1,2.05
n,14,2.05,9.1,-2.05
n,15,-2.05,9.1,-2.05
n,16,-2.05,9.1,2.05
n,17,2.05,9.1,0
n,18,-2.05,9.1,0
!塔段1生成主材单元
type,1
mat,1
secnum,1
*do,i,1,4,1
e,i,4+i
*enddo
mat,2
secnum,8
*do,i,1,4,1
e,i,8+i
*enddo
*do,i,1,3,1
e,1+i,8+i
*enddo
e,1,12
!塔段1生成横隔单元
secnum,9
*do,i,1,4,1
e,4+i,8+i
*enddo
*do,i,1,3,1
e,5+i,8+i
*enddo
e,5,12
secnum,11
*do,i,1,3,1
e,8+i,13+i
*enddo
e,12,13
*do,i,1,3,1
e,9+i,13+i
*enddo
e,9,13
secnum,12
e,13,17
e,14,17
e,15,18
e,16,18
*do,i,1,4,1
e,4+i,12+i
*enddo
secnum,15
e,9,17
e,11,18
!塔段2建模
n,19,3.5,14.1,3.5
n,20,3.5,14.1,-3.5
n,21,-3.5,14.1,-3.5
n,22,-3.5,14.1,3.5
n,23,2.9,18.9,2.9
n,24,2.9,18.9,-2.9
n,25,-2.9,18.9,-2.9
n,26,-2.9,18.9,2.9
n,27,2.3,23.7,2.3
n,28,2.3,23.7,-2.3
n,29,-2.3,23.7,-2.3
n,30,-2.3,23.7,2.3
n,31,2.3,23.7,0
n,32,0,23.7,-2.3
n,33,-2.3,23.7,0
n,34,0,23.7,2.3
n,35,1.15,23.7,1.15
n,36,1.15,23.7,-1.15
n,37,-1.15,23.7,-1.15
n,38,-1.15,23.7,1.15
!塔段2生成主材单元
mat,1
secnum,1
*do,i,1,4,1
e,4+i,18+i
*enddo
secnum,2
*do,i,1,4,1
*do,j,1,5,4
e,17+i+j,21+i+j
*enddo
*enddo
!塔段2生成横隔单元
mat,2
secnum,12
*do,i,1,4,1
e,26+i,30+i
*enddo
*do,i,1,3,1
e,27+i,30+i
*enddo
e,27,34
secnum,13
*do,i,1,4,1
e,30+i,34+i
*enddo
*do,i,1,3,1
e,30+i,35+i
*enddo
e,34,35
secnum,14
e,35,36
e,37,38
secnum,16
*do,i,1,4,1
e,26+i,34+i
*enddo
!塔段2生成斜材单元
type,2
real,5
e,5,22
e,8,19
e,19,26
e,22,23
e,6,21
e,7,20
e,20,25
e,21,24
e,5,20
e,6,19
e,19,24
e,20,23
e,8,21
e,7,22
e,22,25
e,21,26
real,4
e,23,30
e,26,27
e,24,29
e,25,28
e,23,28
e,24,27
e,26,29
e,25,30
!塔段3建模
n,39,1.882,27.044,1.882
n,40,1.882,27.044,-1.882
n,41,-1.882,27.044,-1.882
n,42,-1.882,27.044,1.882
n,43,1.508,30.036,1.508
n,44,1.508,30.036,-1.508
n,45,-1.508,30.036,-1.508
n,46,-1.508,30.036,1.508
n,47,1.2,32.5,1.2
n,48,1.2,32.5,-1.2
n,49,-1.2,32.5,-1.2
n,50,-1.2,32.5,1.2
n,51,1.508,30.036,0
n,52,0,30.036,-1.508
n,53,-1.508,30.036,0
n,54,0,30.036,1.508
n,55,0,30.036,0
n,56,0,32.5,0
!塔段3生成主材单元
type,1
mat,1
secnum,4
*do,i,1,4,1
e,26+i,38+i
*enddo
*do,i,1,4,1
*do,j,1,5,4
e,37+i+j,41+i+j
*enddo
*enddo
!塔段3生成横隔单元
secnum,5
*do,i,1,4,1
e,42+i,50+i
*enddo
*do,i,1,3,1
e,43+i,50+i
*enddo
e,43,54
mat,2
secnum,10
*do,i,1,3,1
e,50+i,51+i
*enddo
e,51,54
secnum,13
*do,i,1,4,1
e,50+i,55
*enddo
mat,1
secnum,3
*do,i,1,3,1
e,46+i,47+i
*enddo
e,47,50
mat,2
secnum,13
*do,i,1,4,1
e,46+i,56
*enddo
!塔段3生成斜材单元
type,2
real,3
e,27,42
e,30,39
e,28,41
e,29,40
e,27,40
e,28,39
e,30,41
e,29,42
real,5
e,39,46
e,42,43
e,40,45
e,41,44
e,40,43
e,39,44
e,42,45
e,41,46
mat,1
e,43,50
e,46,47
e,44,49
e,45,48
e,43,48
e,44,47
e,46,49
e,45,50
!塔段4建模
n,57,1.146,34.12,1.146
n,58,1.146,34.12,-1.146
n,59,-1.146,34.12,-1.146
n,60,-1.146,34.12,1.146
n,61,1.0965,35.605,1.0965
n,62,1.0965,35.605,-1.0965
n,63,-1.0965,35.605,-1.0965
n,64,-1.0965,35.605,1.0965
n,65,1.05,37,1.05
n,66,1.05,37,-1.05
n,67,-1.05,37,-1.05
n,68,-1.05,37,1.05
n,69,1.05,37,0
n,70,0,37,-1.05
n,71,-1.05,37,0
n,72,0,37,1.05
n,73,0,37,0
!塔段4生成主材单元
type,1
secnum,6
*do,i,1,4,1
e,46+i,56+i
*enddo
*do,i,1,4,1
*do,j,1,5,4
e,55+i+j,59+i+j
*enddo
*enddo
!塔段4生成横隔单元
secnum,7
*do,i,1,4,1
e,64+i,68+i
*enddo
*do,i,1,3,1
e,65+i,68+i
*enddo
e,65,72
mat,2
secnum,15
*do,i,1,3,1
e,68+i,69+i
*enddo
e,69,72
*do,i,1,4,1
e,68+i,73
*enddo
!塔段4生成斜材单元
type,2
real,9
e,50,57
e,47,60
e,60,61
e,57,64
e,64,65
e,61,68
e,49,58
e,48,59
e,59,62
e,58,63
e,63,66
e,62,67
e,47,58
e,48,57
e,57,62
e,58,61
e,61,66
e,62,65
e,50,59
e,49,60
e,60,63
e,59,64
e,64,67
e,63,68
!塔段5建模
n,74,0.9925,38.495,0.9925
n,75,0.9925,38.495,-0.9925
n,76,-0.9925,38.495,-0.9925
n,77,-0.9925,38.495,0.9925
n,78,0.935,39.99,0.935
n,79,0.935,39.99,-0.935
n,80,-0.935,39.99,-0.935
n,81,-0.935,39.99,0.935
n,82,0.8775,41.485,0.8775
n,83,0.8775,41.485,-0.8775
n,84,-0.8775,41.485,-0.8775
n,85,-0.8775,41.485,0.8775
n,86,0.8,43.5,0.8
n,87,0.8,43.5,-0.8
n,88,-0.8,43.5,-0.8
n,89,-0.8,43.5,0.8
n,90,0,38.495,0
n,91,0.8775,41.485,0
n,92,0,41.485,-0.8775
n,93,-0.8775,41.485,0
n,94,0,41.485,0.8775
n,95,0,43.5,0
!塔段5生成主材单元
type,1
mat,1
secnum,9
*do,i,1,4,1
e,64+i,73+i
*enddo
*do,i,1,4,1
*do,j,1,9,4
e,72+i+j,76+i+j
*enddo
*enddo
!塔段5生成横隔单元
mat,2
secnum,12
*do,i,1,3,1
e,73+i,74+i
*enddo
e,74,77
secnum,13
*do,i,1,4,1
e,73+i,90
*enddo
secnum,12
*do,i,1,4,1
e,81+i,90+i
*enddo
*do,i,1,3,1
e,82+i,90+i
*enddo
e,82,94
secnum,13
*do,i,1,3,1
e,90+i,91+i
*enddo
e,91,94
e,92,94
secnum,11
*do,i,1,3,1
e,85+i,86+i
*enddo
e,86,89
secnum,15
*do,i,1,4,1
e,85+i,95
*enddo
!塔段5生成斜材单元
type,2
real,10
e,68,74
e,65,77
e,77,78
e,74,81
e,81,82
e,78,85
e,66,76
e,67,75
e,75,80
e,76,79
e,79,84
e,80,83
e,65,75
e,66,74
e,74,79
e,75,78
e,78,83
e,79,82
e,68,76
e,67,77
e,77,80
e,76,81
e,81,84
e,80,85
real,9
e,82,89
e,85,86
e,83,88
e,84,87
e,82,87
e,83,86
e,85,88
e,84,89
!塔段3横担建模
n,96,3,30.036,1.275
n,97,3,30.036,-1.275
n,98,4.5,30.036,1.05
n,99,4.5,30.036,-1.05
n,100,6,30.036,0.825
n,101,6,30.036,-0.825
n,102,7.5,30.036,0.6
n,103,7.5,30.036,-0.6
n,104,-3,30.036,1.275
n,105,-3,30.036,-1.275
n,106,-4.5,30.036,1.05
n,107,-4.5,30.036,-1.05
n,108,-6,30.036,0.825
n,109,-6,30.036,-0.825
n,110,-7.5,30.036,0.6
n,111,-7.5,30.036,-0.6
n,112,2.775,31.875,1.05
n,113,2.775,31.875,-1.05
n,114,4.35,31.25,0.9
n,115,4.35,31.25,-0.9
n,116,5.925,30.625,0.75
n,117,5.925,30.625,-0.75
n,118,-2.775,31.875,1.05
n,119,-2.775,31.875,-1.05
n,120,-4.35,31.25,0.9
n,121,-4.35,31.25,-0.9
n,122,-5.925,30.625,0.75
n,123,-5.925,30.625,-0.75
!塔段3生成横担下单元
mat,1
real,1
e,43,96
e,96,98
e,98,100
e,100,102
e,44,97
e,97,99
e,99,101
e,101,103
e,45,105
e,105,107
e,107,109
e,109,111
e,46,104
e,104,106
e,106,108
e,108,110
real,6
e,102,103
e,110,111
mat,2
real,9
e,43,97
e,44,96
e,97,98
e,96,99
e,99,100
e,98,101
e,45,104
e,46,105
e,105,106
e,104,107
e,107,108
e,106,109
real,8
e,101,102
e,100,103
e,109,110
e,108,111
!塔段3生成横担上单元
mat,1
real,2
e,47,112
e,112,114
e,114,116
e,116,102
e,48,113
e,113,115
e,115,117
e,117,103
e,49,119
e,119,121
e,121,123
e,123,111
e,50,118
e,118,120
e,120,122
e,122,110
mat,2
real,9
e,48,112
e,113,114
e,49,118
e,119,120
real,10
e,115,116
e,121,122
e,117,102
e,123,110
real,12
e,112,113
e,118,119
real,13
e,114,115
e,116,117
e,120,121
e,122,123
!塔段3生成横担侧单元
real,10
e,43,112
e,44,113
e,46,118
e,45,119
real,13
e,112,96
e,96,114
e,114,98
e,113,97
e,97,115
e,115,99
e,98,116
e,116,100
e,99,117
e,117,101
e,119,105
e,105,121
e,121,107
e,118,104
e,104,120
e,120,106
e,107,123
e,123,109
e,106,122
e,122,108
!塔段5横担建模
n,124,1.85,43.5,0.8
n,125,1.85,43.5,-0.8
n,126,2.9,43.5,0.8
n,127,2.9,43.5,-0.8
n,128,3.95,43.5,0.8
n,129,3.95,43.5,-0.8
n,130,5,43.5,0.8
n,131,5,43.5,-0.8
n,132,-1.85,43.5,0.8
n,133,-1.85,43.5,-0.8
n,134,-2.9,43.5,0.8
n,135,-2.9,43.5,-0.8
n,136,-3.95,43.5,0.8
n,137,-3.95,43.5,-0.8
n,138,-5,43.5,0.8
n,139,-5,43.5,-0.8
n,140,1.85,42,0.8
n,141,1.85,42,-0.8
n,142,2.9,42.5,0.8
n,143,2.9,42.5,-0.8
n,144,3.95,43,0.8
n,145,3.95,43,-0.8
n,146,-1.85,42,0.8
n,147,-1.85,42,-0.8
n,148,-2.9,42.5,0.8
n,149,-2.9,42.5,-0.8
n,150,-3.95,43,0.8
n,151,-3.95,43,-0.8
!塔段5生成横担下单元
mat,1
real,7
e,82,140
e,140,142
e,142,144
e,144,130
e,83,141
e,141,143
e,143,145
e,145,131
e,84,147
e,147,149
e,149,151
e,151,139
e,85,146
e,146,148
e,148,150
e,150,138
mat,2
real,10
e,82,141
e,83,140
e,140,143
e,141,142
e,85,147
e,84,146
e,146,149
e,147,148
real,12
e,142,145
e,143,144
e,144,131
e,145,130
e,148,151
e,149,150
e,150,139
e,151,138
!塔段5生成横担上单元
mat,1
real,8
e,86,124
e,124,126
e,126,128
e,128,130
e,87,125
e,125,127
e,127,129
e,129,131
e,88,133
e,133,135
e,135,137
e,137,139
e,89,132
e,132,134
e,134,136
e,136,138
mat,2
real,11
e,130,131
e,138,139
e,124,125
e,126,127
e,128,129
e,132,133
e,134,135
e,136,137
e,87,124
e,125,126
e,127,128
e,129,130
e,88,132
e,133,134
e,135,136
e,137,138
!塔段5生成横担侧单元
real,13
e,86,140
e,140,124
e,124,142
e,142,126
e,126,144
e,144,128
e,87,141
e,141,125
e,125,143
e,143,127
e,127,145
e,145,129
e,89,146
e,146,132
e,132,148
e,148,134
e,134,150
e,150,136
e,88,147
e,147,133
e,133,149
e,149,135
e,135,151
e,151,137
