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,,