ANSYS APDL problem with a spreader beam

[HankTheTank]

I have made a spreader beam in ANSYS APDL.
Having problem with the bending results. Is the geometries wrong?


!-------------------------------------------------------------------!
finish
/clear,all
/title, kvadlofteak, hkv


!-------------------------------------------------------------------!
! Variables !
!-------------------------------------------------------------------!
g=9.81


!-------------------------------------------------------------------!
! Materials !
!-------------------------------------------------------------------!
/PREP7
ET,1,BEAM189
ET,2,LINK180
ET,3,COMBIN14

!Bjelkene
MP,EX,1,2.1E+5
MP,PRXY,1,0.3
MP,DENS,1,7.85E-6

!------------------------------------------------------------------------
! Section properties
!------------------------------------------------------------------------

R,1,
R,2,10000,,1
R,3,10


!------------------------------------------------------------------------
! Geometr(y/ies)
!------------------------------------------------------------------------
/prep7
K,1,0,0,0
K,2,8000,0,0
K,3,8000,0,-8000
K,4,0,0,-8000
K,5,4000,5657,-4000
LSTR, 1, 2
LSTR, 2, 3
LSTR, 3, 4
LSTR, 4, 1
LSTR, 1, 5
LSTR, 2, 5
LSTR, 3, 5
LSTR, 4, 5

!Guide keypoints for the beams
!K,100,1E9 ! Flat side will be rotated to point in X direction

!Wire
LATT,,2,2,,,,
ESIZE,,1
L,1,5
L,2,5
L,3,5
L,4,5
LMESH,5,8


!Frame
SECTYPE, 1, BEAM, HREC, HUP140X80, ,
SECDATA, 140, 80, 5, 5, 5, 5
LATT,1,1,1,,,,1 !MAT, REAL, TYPE, --, KB, KE, SECNUM
ESIZE,250,
L,1,2
L,2,3
L,3,4
L,4,1
LMESH,1,4

!Spring
N,1000,-100,0,0
N,1001,0,,100
N,1002,8100,,
N,1003,8000,,100
N,1004,8100,,-8000
N,1005,8000,,-8100
N,1006,0,0,-8100
N,1007,-100,,-8000

TYPE,3
REAL,3
E,1000,1
E,1001,1
E,1002,3
E,1003,3
E,1004,4
E,1005,4
E,1006,5
E,1007,5


LSEL, all
NLGEOM,ON !Large deformations ON




!/PNUM,ELEM,0
!/REPLOT


!------------------------------------------------------------------------
! DOF
!------------------------------------------------------------------------

/solu
DK,5,all !Constraints keypoint 5 in all directions

*DO,x,1000,1007
D,x,all
*ENDDO


Acel,,-g, !Global acceleration

FK,1,FY,-68670
FK,2,FY,-68670
FK,3,FY,-68670
FK,4,FY,-68670

/ESHAPE,1
EPLOT
solve

!------------------------------------------------------------------------
! POSTPROCESSING
!------------------------------------------------------------------------

/POST1
PLDISP,1

allsel
ESEL,S,ENAME,,189 !selekterer bare BEAM189 elementene

ETABLE,Fx-i,SMISC, 1 !axial force i BEAM189, node I
ETABLE,Fx-j,SMISC,14 !axial force i BEAM189, node J

ETABLE,Mz-i,SMISC, 3 !z-bending moment i BEAM189, node I
ETABLE,Mz-j,SMISC,16 !z-bending moment i BEAM189, node J

ETABLE,SFy-i,SMISC, 6 !y-shear force i BEAM189, node I
ETABLE,SFy-j,SMISC,19 !y-shear force i BEAM189, node J

!PLLS,Fx-i,Fx-j

PLLS,Mz-i,Mz-j

 

[SFLM]

What exactly is the problem you are having with bending moment? I did not see anything wrong.