定義變截面梁之前需定義兩個截面:
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尺寸定義
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尺寸定義
!定義兩個截面后,再定義變截面
SECTYPE,3,TAPER,, !變截面3
SECDATA,1,,,,
SECDATA,2,10 !截面由1變到2,位置由(0,0,0)變到(10,0,0,)