ex3.13(1).inp

ansys有限元分析程序

! 3.13  塔机标准节内力分析（梁单元）
! 本程序来源于邢静忠编著的《ANSYS应用实例与分析》，科学出版社，2006年
!
FINISH
/Clear
/FILNAME, EX3.13(1)
/TITLE, EX3.13(1), STANDARD SECTION OF QTZ25 TOWER CRANE with BEAM4.
/PREP7
! （1）定义塔身标准节上的节点
N, 1, 650, 0, -650    $    N, 2, 650, 0, 650    $    N, 3, -650, 0, 650
N, 4, -650, 0, -650    $    N, 5, 650, 100, -650    $    N, 6, 650, 100, 650
N, 7, -650, 100, 650    $    N, 8, -650, 100, -650    $    N, 9, 650, 1200, -650
N, 10, 650, 1200, 650    $    N, 11, -650, 1200, 650    $    N, 12, -650, 1200, -650
N, 13, 650, 2300, -650    $    N, 14, 650, 2300, 650
N, 15, -650, 2300, 650    $    N, 16, -650, 2300, -650
N, 17, 650, 2400, -650    $    N, 18, 650, 2400, 650
N, 19, -650, 2400, 650    $    N, 20, -650, 2400, -650
! （2）定义单元类型和材料参数
ET, 1, BEAM4
MP, EX, 1, 210E3
MP, PRXY, 1, 0.3
MP, DENS, 1, 7800e-12
Acel, 0, 9800, 0
R, 1, 4536, 2104e4, 2104e4, 150, 150
R, 2, 766, 910540, 910540, 80, 80
! （3）定义标准节的外框立柱杆件
Real, 1
E, 1, 5    $    E, 2, 6    $    E, 3, 7
E, 4, 8    $    E, 5, 9    $    E, 6, 10
E, 7, 11    $    E, 8, 12    $    E, 9, 13
E, 10, 14    $    E, 11, 15    $    E, 12, 16
E, 13, 17    $    E, 14, 18    $    E, 15, 19
E, 16, 20
! （4）定义标准节的水平杆和斜拉杆
Real, 2
E, 5, 6    $    E, 9, 10    $    E, 13, 14
E, 6, 7    $    E, 10, 11    $    E, 14, 15
E, 7, 8    $    E, 11, 12    $    E, 15, 16
E, 5, 8    $    E, 9, 12    $    E, 13, 16
E, 5, 10    $    E, 10, 13    $    E, 6, 11
E, 11, 14    $    E, 7, 12    $    E, 12, 15
E, 8, 9    $    E, 9, 16    $    E, 9, 11
E, 13, 15    $    E, 5, 7
! （5）施加底部位移约束和集中力荷载
D, 1, UX, 0, , , , UY, UZ
D, 2, UX, 0, , , , UY
D, 3, UY, 0
D, 4, UY, 0, , , , UZ
F, 17, FY, 5E4
F, 18, FY, 5E4
F, 19, FY, -15E4
F, 20, FY, -15E4
FINISH
! （6）进入求解模块定义塔臂端部满载情况，并进入求解
/SOLU
Solve
F, 17, FY, 3.07E4
F, 18, FY, -4E4
F, 19, FY, -11.07E4
F, 20, FY, -4E4
Solve
F, 17, FZ, -2500/2.6
F, 18, FX, 2500/2.6
F, 19, FZ, 2500/2.6
F, 20, FX, -2500/2.6
F, 17, FX, -2500/2.6
F, 18, FZ, -2500/2.6
F, 19, FX, 2500/2.6
F, 20, FZ, -2500/2.6
Solve
FINISH
! （7）进入后处理模块显示结果
/post1
SET, 1, 1
pldisp, 2
Etable, LS1, LS, 1
Etable, LS6, LS, 6
Etable, LS2, LS, 2
Etable, LS3, LS, 3
Etable, LS4, LS, 4
Etable, LS5, LS, 5
Etable, V, Volu
Etable, smax, NMISC, 1
Etable, smin, NMISC, 2
pretab, LS1, LS2, LS3, LS4, LS5, LS6, smax, smin
/TITLE, Axial stress distribution in the first load case.
PLLS, LS1, LS6
! （8）显示45度情况下的结果
Set, 2, 1
pldisp, 2
Etable, SDIRI, LS, 1
Etable, SDIRJ, LS, 6
pretab, SDIRI, SDIRJ
/TITLE, Axial stress distribution in the second load case.
PLLS, SDIRI, SDIRJ
Set, 3, 1
Etable, SDIRI3, LS, 1
Etable, SDIRJ3, LS, 6
/TITLE, Axial stress distribution in the third load case.
PLLS, SDIRI3, SDIRJ3
pretab, LS1, LS6, SDIRI, SDIRJ, SDIRI3, SDIRJ3
FINISH