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ANSYS APDL problem with a spreader beam

ANSYS APDL problem with a spreader beam

ANSYS APDL problem with a spreader beam

(OP)
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: CRSI (concrete reinforcing) Code Issues Links
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

RE: ANSYS APDL problem with a spreader beam

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

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