/title , frame

/PREP7

!Enter the height and width of the frame:

300, 400

! Define Keypoints

K,1,x1, y1 ! keypoint, #, x, y

K,2,x2, y2

K,3,x3, y3

K,4,x4, y4

K,5,x5, y5

K,6,x6, y6

! Define Lines Linking Keypoints

L,1,2 ! L,keypoint1,keypoint2

L,2,3

L,3,4

L,4,1

L,4,6

L,4,5

L,3,5

L,3,6

! element definition

!

ET,1,LINK1 ! element type #1; spring element

R,1,3250 ! real constant #1; Xsect area: 3200 mm^2

MP,EX,1,200e3 ! material property #1; Young's modulus: 200 GPa

LESIZE,ALL, , ,1,1,1 ! specify divisions on unmeshed lines

LMESH,all ! mesh all lines

!

FINISH ! finish pre-processor

!

/SOLU ! enter solution phase

!

! apply some constraints

DK,1,UX,0,,,UY,UZ ! define a DOF constraint at a keypoint

DK,7,UY,0,,,UZ

!

! apply loads

!

FK,1,FY,-280e3 ! define a force load to a keypoint

FK,3,FY,-210e3

FK,5,FY,-280e3

FK,7,FY,-360e3

!

SOLVE ! solve the resulting system of equations

FINISH ! finish solution

/POST1

PRRSOL,F ! List Reaction Forces

PLDISP,2 ! Plot Deformed shape

PLNSOL,U,SUM,0,1 ! Contour Plot of deflection

ETABLE,SAXL,LS, 1 ! Axial Stress

PRETAB,SAXL ! List Element Table

PLETAB,SAXL,NOAV ! Plot Axial Stress