斜拉桥模态分析ANSYS命令流

/PREP7

!定义梁单元类型、材料属性
ET,1,BEAM188
MP,EX,1,3.5e10
MP,PRXY,1,0.2
MP,DENS,1,2.6e3

!桥塔底面截面尺寸
SECTYPE,2,BEAM,HREC,0
SECDATA,6,7,1,1,1,1

!桥塔与桥面处连接截面尺寸
SECTYPE,3,BEAM,HREC,0
SECDATA,4.5,6,0.5,0.5,1.2,1.2

!桥塔下半节变截面空心梁截面定义
SECTYPE,4,TAPER,,
SECDATA,2,0,-13.57,-14.2
SECDATA,3,0,-12.07,0
SECTYPE,5,TAPER,,
SECDATA,2,0,13.57,-14.2
SECDATA,3,0,12.07,0

!纵梁截面尺寸
SECTYPE,6,BEAM,RECT,0
SECDATA,2,2.3

!纵梁中间宽截面尺寸
SECTYPE,7,BEAM,RECT,0
SECDATA,2.46,2.3
SECTYPE,8,BEAM,RECT,0
SECDATA,2.92,2.3
SECTYPE,9,BEAM,RECT,0
SECDATA,3.38,2.3
SECTYPE,10,BEAM,RECT,0
SECDATA,4.3,2.3

!纵梁桥塔处变截面梁截面定义

SECTYPE,11,TAPER,,
SECDATA,6,20,-10,0
SECDATA,7,16,-10,0
SECTYPE,27,TAPER,,
SECDATA,7,16,-10,0
SECDATA,8,12,-10,0
SECTYPE,30,TAPER,,
SECDATA,8,12,-10,0
SECDATA,9,8,-10,0
SECTYPE,28,TAPER,,
SECDATA,9,8,-10,0
SECDATA,10,0,-10,0

SECTYPE,29,TAPER,,
SECDATA,6,20,10,0
SECDATA,7,16,10,0
SECTYPE,16,TAPER,,
SECDATA,7,16,10,0
SECDATA,8,12,10,0
SECTYPE,17,TAPER,,
SECDATA,8,12,10,0
SECDATA,9,8,10,0
SECTYPE,18,TAPER,,
SECDATA,9,8,10,0
SECDATA,10,0,10,0

SECTYPE,19,TAPER,,
SECDATA,6,-20,-10,0
SECDATA,7,-16,-10,0
SECTYPE,20,TAPER,,
SECDATA,7,-16,-10,0
SECDATA,8,-12,-10,0
SECTYPE,21,TAPER,,
SECDATA,8,-12,-10,0
SECDATA,9,-8,-10,0
SECTYPE,22,TAPER,,
SECDATA,9,-8,-10,0
SECDATA,10,0,-10,0

SECTYPE,23,TAPER,,
SECDATA,6,-20,10,0
SECDATA,7,-16,10,0
SECTYPE,24,TAPER,,
SECDATA,7,-16,10,0
SECDATA,8,-12,10,0
SECTYPE,25,TAPER,,
SECDATA,8,-12,10,0
SECDATA,9,-8,10,0
SECTYPE,26,TAPER,,
SECDATA,9,-8,10,0
SECDATA,10,0,10,0

!横端梁截面尺寸
SECTYPE,12,BEAM,RECT,,0
SECDATA,1.4,2.5

!桥塔处横梁截面尺寸
SECTYPE,13,BEAM,HREC,,0
SECDATA,5,2.5,1,1,0.5,0.6

!横梁截面尺寸
SECTYPE,14,BEAM,RECT,,0
SECDATA,0.4,2.4

!定义壳单元类型、材料属性
ET,2,SHELL181
MP,EX,2,3.5e10
MP,PRXY,2,0.166
MP,DENS,2,3.216e3
SECTYPE,15,SHELL,,
SECDATA,0.28

!定义杆单元类型、材料属性
ET,3,LINK180
MP,EX,3,1.9e11
MP,PRXY,3,0.3
MP,DENS,3,7.85e3
R,1,8.582e-3
R,2,7.179e-3
R,3,7.179e-3
R,4,7.179e-3
R,5,7.179e-3
R,6,6.273e-3
R,7,6.273e-3
R,8,6.273e-3
R,9,5.349e-3
R,10,5.349e-3
R,11,5.349e-3
R,12,4.656e-3
R,13,4.656e-3
R,14,4.656e-3
R,15,4.656e-3
R,16,8.582e-3

!桥塔关键点
K,1,0,-13.57,-14.2
K,2,0,13.57,-14.2
K,3,0,-12.07,0
K,4,0,12.07,0
K,5,0,0,77.12

!纵梁关键点
K,6,-132,-10,0
K,7,132,-10,0
K,8,-132,10,0
K,9,132,10,0
K,10,-128,-10,0
K,11,128,-10,0
K,12,-128,10,0
K,13,128,10,0
K,14,-124,-10,0
K,15,124,-10,0
K,16,-124,10,0
K,17,124,10,0
K,18,-120,-10,0
K,19,120,-10,0
K,20,-120,10,0
K,21,120,10,0
K,22,-116,-10,0
K,23,116,-10,0
K,24,-116,10,0
K,25,116,10,0
K,26,-112,-10,0
K,27,112,-10,0
K,28,-112,10,0
K,29,112,10,0
K,30,-108,-10,0
K,31,108,-10,0
K,32,-108,10,0
K,33,108,10,0
K,34,-

104,-10,0
K,35,104,-10,0
K,36,-104,10,0
K,37,104,10,0
K,38,-100,-10,0
K,39,100,-10,0
K,40,-100,10,0
K,41,100,10,0
K,42,-96,-10,0
K,43,96,-10,0
K,44,-96,10,0
K,45,96,10,0
K,46,-92,-10,0
K,47,92,-10,0
K,48,-92,10,0
K,49,92,10,0
K,50,-88,-10,0
K,51,88,-10,0
K,52,-88,10,0
K,53,88,10,0
K,54,-84,-10,0
K,55,84,-10,0
K,56,-84,10,0
K,57,84,10,0
K,58,-80,-10,0
K,59,80,-10,0
K,60,-80,10,0
K,61,80,10,0
K,62,-76,-10,0
K,63,76,-10,0
K,64,-76,10,0
K,65,76,10,0
K,66,-72,-10,0
K,67,72,-10,0
K,68,-72,10,0
K,69,72,10,0
K,70,-68,-10,0
K,71,68,-10,0
K,72,-68,10,0
K,73,68,10,0
K,74,-64,-10,0
K,75,64,-10,0
K,76,-64,10,0
K,77,64,10,0
K,78,-60,-10,0
K,79,60,-10,0
K,80,-60,10,0
K,81,60,10,0
K,82,-56,-10,0
K,83,56,-10,0
K,84,-56,10,0
K,85,56,10,0
K,86,-52,-10,0
K,87,52,-10,0
K,88,-52,10,0
K,89,52,10,0
K,90,-48,-10,0
K,91,48,-10,0
K,92,-48,10,0
K,93,48,10,0
K,94,-44,-10,0
K,95,44,-10,0
K,96,-44,10,0
K,97,44,10,0
K,98,-40,-10,0
K,99,40,-10,0
K,100,-40,10,0
K,101,40,10,0
K,102,-36,-10,0
K,103,36,-10,0
K,104,-36,10,0
K,105,36,10,0
K,106,-32,-10,0
K,107,32,-10,0
K,108,-32,10,0
K,109,32,10,0
K,110,-28,-10,0
K,111,28,-10,0
K,112,-28,10,0
K,113,28,10,0
K,114,-24,-10,0
K,115,24,-10,0
K,116,-24,10,0
K,117,24,10,0
K,118,-20,-10,0
K,119,20,-10,0
K,120,-20,10,0
K,121,20,10,0
K,122,-16,-10,0
K,123,16,-10,0
K,124,-16,10,0
K,125,16,10,0
K,126,-12,-10,0
K,127,12,-10,0
K,128,-12,10,0
K,129,12,10,0
K,130,-8,-10,0
K,131,8,-10,0
K,132,-8,10,0
K,133,8,10,0
K,134,0,-10,0
K,135,0,10,0


!桥塔上斜拉索的关键点
K,138,0,-5.89,39.5
K,139,0,5.89,39.5
K,140,0,-5.575,41.5
K,141,0,5.575,41.5
K,142,0,-5.26,43.5
K,143,0,5.26,43.5
K,144,0,-4.95,45.5
K,145,0,4.95,45.5
K,146,0,-4.635,47.5
K,147,0,4.635,47.5
K,148,0,-4.32,49.5
K,149,0,4.32,49.5
K,150,0,-4.01,51.5
K,151,0,4.01,51.5
K,152,0,-3.695,53.5
K,153,0,3.695,53.5
K,154,0,-3.385,55.5
K,155,0,3.385,55.5
K,156,0,-3.07,57.5
K,157,0,3.07,57.5
K,158,0,-2.755,59.5
K,159,0,2.755,59.5
K,160,0,-2.445,61.5
K,161,0,2.445,61.5
K,162,0,-2.13,63.5
K,163,0,2.13,63.5
K,164,0,-1.82,65.5
K,165,0,1.82,65.5
K,166,0,-1.505,67.5
K,167,0,1.505,67.5
K,168,0,-1.19,69.5
K,169,0,1.19,69.5

!桥塔连线
L,1,3
L,2,4

L,3,138
L,138,140
L,140,142
L,142,144
L,144,146
L,146,148
L,148,150
L,150,152
L,152,154
L,154,156
L,156,158
L,158,160
L,160,162
L,162,164
L,164,166
L,166,168
L,168,5
L,4,139
L,139,141
L,141,143
L,143,145
L,145,147
L,147,149
L,149,151
L,151,153
L,153,155
L,155,157
L,157,159
L,159,161
L,161,163
L,163,165
L,165,167
L,167,169
L,169,5

!桥塔处变截面纵梁连线
L,119,123
L,123,127
L,127,131
L,131,134

L,121,125
L,125,129
L,129,133
L,133,135

L,118,122
L,122,126
L,126,130
L,130,134

L,120,124
L,124,128
L,128,132
L,132,135

!纵梁连线
L,6,10
L,10,14
L,14,18
L,18,22
L,22,26
L,26,30
L,30,34
L,34,38
L,38,42
L,42,46
L,46,50
L,50,54
L,5

4,58
L,58,62
L,62,66
L,66,70
L,70,74
L,74,78
L,78,82
L,82,86
L,86,90
L,90,94
L,94,98
L,98,102
L,102,106
L,106,110
L,110,114
L,114,118
L,7,11
L,11,15
L,15,19
L,19,23
L,23,27
L,27,31
L,31,35
L,35,39
L,39,43
L,43,47
L,47,51
L,51,55
L,55,59
L,59,63
L,63,67
L,67,71
L,71,75
L,75,79
L,79,83
L,83,87
L,87,91
L,91,95
L,95,99
L,99,103
L,103,107
L,107,111
L,111,115
L,115,119
L,8,12
L,12,16
L,16,20
L,20,24
L,24,28
L,28,32
L,32,36
L,36,40
L,40,44
L,44,48
L,48,52
L,52,56
L,56,60
L,60,64
L,64,68
L,68,72
L,72,76
L,76,80
L,80,84
L,84,88
L,88,92
L,92,96
L,96,100
L,100,104
L,104,108
L,108,112
L,112,116
L,116,120
L,9,13
L,13,17
L,17,21
L,21,25
L,25,29
L,29,33
L,33,37
L,37,41
L,41,45
L,45,49
L,49,53
L,53,57
L,57,61
L,61,65
L,65,69
L,69,73
L,73,77
L,77,81
L,81,85
L,85,89
L,89,93
L,93,97
L,97,101
L,101,105
L,105,109
L,109,113
L,113,117
L,117,121

!横端梁连线
L,6,8
L,7,9

!桥塔处横梁连线
L,134,135


!横梁连线
L,10,12
L,14,16
L,18,20
L,22,24
L,26,28
L,30,32
L,34,36
L,38,40
L,42,44
L,46,48
L,50,52
L,54,56
L,58,60
L,62,64
L,66,68
L,70,72
L,74,76
L,78,80
L,82,84
L,86,88
L,90,92
L,94,96
L,98,100
L,102,104
L,106,108
L,110,112
L,114,116
L,118,120
L,122,124
L,126,128
L,130,132
L,11,13
L,15,17
L,19,21
L,23,25
L,27,29
L,31,33
L,35,37
L,39,41
L,43,45
L,47,49
L,51,53
L,55,57
L,59,61
L,63,65
L,67,69
L,71,73
L,75,77
L,79,81
L,83,85
L,87,89
L,91,93
L,95,97
L,99,101
L,103,105
L,107,109
L,111,113
L,115,117
L,119,121
L,123,125
L,127,129
L,131,133

!斜拉索连线
L,6,168
L,7,168
L,8,169
L,9,169

L,14,166
L,15,166
L,16,167
L,17,167

L,22,164
L,23,164
L,24,165
L,25,165

L,30,162
L,31,162
L,32,163
L,33,163

L,38,160
L,39,160
L,40,161
L,41,161

L,46,158
L,47,158
L,48,159
L,49,159

L,54,156
L,55,156
L,56,157
L,57,157

L,62,154
L,63,154
L,64,155
L,65,155

L,70,152
L,71,152
L,72,153
L,73,153

L,78,150
L,79,150
L,80,151
L,81,151

L,86,148
L,87,148
L,88,149
L,89,149

L,94,146
L,95,146
L,96,147
L,97,147

L,102,144
L,103,144
L,104,145
L,105,145

L,110,142
L,111,142
L,112,143
L,113,143

L,118,140
L,119,140
L,120,141
L,121,141

L,126,138
L,127,138
L,128,139
L,129,139

!桥面板形成
A,6,10,12,8
A,10,14,16,12
A,14,18,20,16
A,18,22,24,20
A,22,26,28,24
A,26,30,32,28
A,30,34,36,32
A,34,38,40,36
A,38,42,44,40
A,42,46,48,44
A,46,50,52,48
A,50,54,56,52
A,54,58,60,56
A,58,62,64,60
A,62,66,68,64
A,66,70,72,68
A,70,74,76,72
A,74,78,80,76
A,78,82,84,80
A,82,86,88,84
A,86,90,92,88
A,90,94,96,92
A,94,98,100,96
A,98,102,104,100
A,102,106,108,104
A,106,110,112,108
A,110,114,116,112
A,114,118,120,116
A,118,122,124,120
A,122,126,128,124
A,126,130,132,128
A,130,134,135,132
A,134,131,133,

135
A,131,127,129,133
A,127,123,125,129
A,123,119,121,125
A,119,115,117,121
A,115,111,113,117
A,111,107,109,113
A,107,103,105,109
A,103,99,101,105
A,99,95,97,101
A,95,91,93,97
A,91,87,89,93
A,87,83,85,89
A,83,79,81,85
A,79,75,77,81
A,75,71,73,77
A,71,67,69,73
A,67,63,65,69
A,63,59,61,65
A,59,55,57,61
A,55,51,53,57
A,51,47,49,53
A,47,43,45,49
A,43,39,41,45
A,39,35,37,41
A,35,31,33,37
A,31,27,29,33
A,27,23,25,29
A,23,19,21,25
A,19,15,17,21
A,15,11,13,17
A,11,7,9,13

!桥塔下端赋予梁单元属性
TYPE,1
MAT,1
SECNUM,4
FLST,5,1,4,ORDE,1
FITEM,5,1
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,1

!桥塔下端赋予梁单元属性
TYPE,1
MAT,1
SECNUM,5
FLST,5,1,4,ORDE,1
FITEM,5,2
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,2

!桥塔上端赋予梁单元属性
TYPE,1
MAT,1
SECNUM,3
FLST,5,34,4,ORDE,2
FITEM,5,3
FITEM,5,-36
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
FLST,2,34,4,ORDE,2
FITEM,2,3
FITEM,2,-36
LMESH,P51X

!桥塔处纵梁变截面赋予梁单元属性
TYPE,1
MAT,1
SECNUM,11
FLST,5,1,4,ORDE,1
FITEM,5,37
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,37

TYPE,1
MAT,1
SECNUM,27
FLST,5,1,4,ORDE,1
FITEM,5,38
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,38

TYPE,1
MAT,1
SECNUM,30
FLST,5,1,4,ORDE,1
FITEM,5,39
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,39

TYPE,1
MAT,1
SECNUM,28
FLST,5,1,4,ORDE,1
FITEM,5,40
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,40

TYPE,1
MAT,1
SECNUM,29
FLST,5,1,4,ORDE,1
FITEM,5,41
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,41

TYPE,1
MAT,1
SECNUM,16
FLST,5,1,4,ORDE,1
FITEM,5,42
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,42

TYPE,1
MAT,1
SECNUM,17
FLST,5,1,4,ORDE,1
FITEM,5,43
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,43

TYPE,1
MAT,1
SECNUM,18
FLST,5,1,4,ORDE,1
FITEM,5,44
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,44

TYPE,1
MAT,1
SECNUM,19
FLST,5,1,4,ORDE,1
FITEM,5,45
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,45

TYPE,1
MAT,1
SECNUM,20
FLST,5,1,4,ORDE,1
FITEM,5,46
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,46

TYPE,1
MAT,1
SECNUM,21
FLST,5,1,4,ORDE,1
FITEM,5,47
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,47

TYPE,1
MAT,1
SECNUM,22
FLST,5,1,4,ORDE,1
FITEM,5,48
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,48

TYPE,1
MAT,1
SECNUM,23
FLST,5,1,4,ORDE,1
FITEM,5,49
CM,_Y,LINE
LSEL,,,,P51X
CM

,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,49

TYPE,1
MAT,1
SECNUM,24
FLST,5,1,4,ORDE,1
FITEM,5,50
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,50

TYPE,1
MAT,1
SECNUM,25
FLST,5,1,4,ORDE,1
FITEM,5,51
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,51

TYPE,1
MAT,1
SECNUM,26
FLST,5,1,4,ORDE,1
FITEM,5,52
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,
LMESH,52

!纵梁赋予梁单元属性
TYPE,1
MAT,1
SECNUM,6
FLST,5,112,4,ORDE,2
FITEM,5,53
FITEM,5,-164
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,,,,,,,1
FLST,2,112,4,ORDE,2
FITEM,2,53
FITEM,2,-164
LMESH,P51X

!横端梁赋予梁单元属性
TYPE,1
MAT,1
SECNUM,12
FLST,5,2,4,ORDE,2
FITEM,5,165
FITEM,5,-166
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,,,,,,1
FLST,2,2,4,ORDE,2
FITEM,2,165
FITEM,2,-166
LMESH,P51X

!桥塔处横梁赋予梁单元属性
TYPE,1
MAT,1
SECNUM,13
FLST,5,1,4,ORDE,1
FITEM,5,167
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,,,,,,,1
FLST,2,1,4,ORDE,1
FITEM,2,167
LMESH,P51X

!横梁赋予梁单元属性
TYPE,1
MAT,1
SECNUM,14
FLST,5,62,4,ORDE,2
FITEM,5,168
FITEM,5,-229
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,2,,,,,,,1
FLST,2,62,4,ORDE,2
FITEM,2,168
FITEM,2,-229
LMESH,P51X

!斜拉索赋予杆单元属性
TYPE,3
MAT,3
REAL,16
FLST,5,4,4,ORDE,2
FITEM,5,230
FITEM,5,-233
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,230
FITEM,2,-233
LMESH,P51X

TYPE,3
MAT,3
REAL,15
FLST,5,4,4,ORDE,2
FITEM,5,234
FITEM,5,-237
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,234
FITEM,2,-237
LMESH,P51X

TYPE,3
MAT,3
REAL,14
FLST,5,4,4,ORDE,2
FITEM,5,238
FITEM,5,-241
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,238
FITEM,2,-241
LMESH,P51X

TYPE,3
MAT,3
REAL,13
FLST,5,4,4,ORDE,2
FITEM,5,242
FITEM,5,-245
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,242
FITEM,2,-245
LMESH,P51X

TYPE,3
MAT,3
REAL,12
FLST,5,4,4,ORDE,2
FITEM,5,246
FITEM,5,-249
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,246
FITEM,2,-249
LMESH,P51X

TYPE,3
MAT,3
REAL,11
FLST,5,4,4,ORDE,2
FITEM,5,250
FITEM,5,-253
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,250
FITEM,2,-253
LMESH,P51X

TYPE,3
MAT,3
REAL,10
FLST,5,4,4,ORDE,2
FITEM,5,254
FITEM,5,-257
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZ

E,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,254
FITEM,2,-257
LMESH,P51X

TYPE,3
MAT,3
REAL,9
FLST,5,4,4,ORDE,2
FITEM,5,258
FITEM,5,-261
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,258
FITEM,2,-261
LMESH,P51X

TYPE,3
MAT,3
REAL,8
FLST,5,4,4,ORDE,2
FITEM,5,262
FITEM,5,-265
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,262
FITEM,2,-265
LMESH,P51X

TYPE,3
MAT,3
REAL,7
FLST,5,4,4,ORDE,2
FITEM,5,266
FITEM,5,-269
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,266
FITEM,2,-269
LMESH,P51X

TYPE,3
MAT,3
REAL,6
FLST,5,4,4,ORDE,2
FITEM,5,270
FITEM,5,-273
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,270
FITEM,2,-273
LMESH,P51X

TYPE,3
MAT,3
REAL,5
FLST,5,4,4,ORDE,2
FITEM,5,274
FITEM,5,-277
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,274
FITEM,2,-277
LMESH,P51X

TYPE,3
MAT,3
REAL,4
FLST,5,4,4,ORDE,2
FITEM,5,278
FITEM,5,-281
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,278
FITEM,2,-281
LMESH,P51X

TYPE,3
MAT,3
REAL,3
FLST,5,4,4,ORDE,2
FITEM,5,282
FITEM,5,-285
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,282
FITEM,2,-285
LMESH,P51X

TYPE,3
MAT,3
REAL,2
FLST,5,4,4,ORDE,2
FITEM,5,286
FITEM,5,-289
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,286
FITEM,2,-289
LMESH,P51X

TYPE,3
MAT,3
REAL,1
FLST,5,4,4,ORDE,2
FITEM,5,290
FITEM,5,-293
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,1,,,,,1
FLST,2,4,4,ORDE,2
FITEM,2,290
FITEM,2,-293
LMESH,P51X


!桥面板赋予壳单元属性
TYPE,2
MAT,2
SECNUM,15

!桥面从中心面偏移到桥塔的顶面
SECOFFSET,USER,-1.15

SECFUNCTION,,Z
FLST,2,64,5,ORDE,2
FITEM,2,1
FITEM,2,-64
AESIZE,P51X,2,
MSHAPE,0,2D
MSHKEY,0
FLST,5,64,5,ORDE,2
FITEM,5,1
FITEM,5,-64
CM,_Y,AREA
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
AMESH,_Y1
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2

!求解
/SOLU

!桥塔底部固定端约束
DK,1,ALL
DK,2,ALL

!桥两端固定端约束
FLST,2,2,4,ORDE,2
FITEM,2,165
FITEM,2,166
DL,P51X,,UX

FLST,2,2,4,ORDE,2
FITEM,2,165
FITEM,2,166
DL,P51X,,UY

FLST,2,2,4,ORDE,2
FITEM,2,165
FITEM,2,166
DL,P51X,,UZ

!重力荷载
ACEL,0,0,-9.8

!模态分析
ANTYPE,MODAL
MODOPT,SUBSP,20

SOLVE
FINISH