定义变截面梁之前需定义两个截面:
SECTYPE,1,BEAM,HREC,,0 !空芯矩形截面1
SECDATA,10,20,2,2,2,2,0,0,0,0 !截面1尺寸定义
SECTYPE,2,BEAM,HREC,,0 !空芯矩形截面2
SECDATA,8,10,2,2,2,2,0,0,0,0 !截面2尺寸定义
!定义两个截面后,再定义变截面
SECTYPE,3,TAPER,, !变截面3
SECDATA,1,,,,
SECDATA,2,10 !截面由1变到2,位置由(0,0,0)变到(10,0,0,)