*HEADING
 ELASTIC-PLASTIC K-FRAME WITH SWITCHING ALGORITHM
*RESTART,WRITE,FREQ=999
*NODE,NSET=ALL
1,-139.98,0.0
2,
3,139.98,0.0
4,-131.4996,72.0
5,0.0,72.0
6,131.4996,72.0
7,-110.9664,256.8
9, 110.9664,256.8
10,-104.3004,316.8
11,0.0,316.8
12,104.3004,316.8
*ELEMENT,TYPE=FRAME2D,ELSET=BOTTOM
1,1,2
2,2,3
3,2,4
4,2,6
*ELEMENT,TYPE=FRAME2D,ELSET=MID
5,4,5
6,5,6
9,7,9
*ELEMENT,TYPE=FRAME2D,ELSET=PINNED1
7,5,7
8,5,9
*ELEMENT,TYPE=FRAME2D,ELSET=TOP
10,7,11
11,9,11
*ELEMENT,TYPE=FRAME2D,ELSET=W
12,10,11
13,11,12
*ELEMENT,TYPE=FRAME2D,ELSET=BOTTOM_C
14,1,4
15,3,6
*ELEMENT,TYPE=FRAME2D,ELSET=MID_COL
16,4,7
17,6,9
18,7,10
19,9,12
*FRAME SECTION,SECTION=PIPE,ELSET=BOTTOM,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS,BUCKLING
4.3125,0.25
0.,0.,-1.
3.0E7,1.5E7
*FRAME SECTION,SECTION=PIPE,ELSET=MID,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS,BUCKLING
3.125,0.156
0.,0.,-1.
3.0E7,1.5E7
*FRAME SECTION,SECTION=PIPE,ELSET=PINNED1,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS,BUCKLING
3.125,0.156
0.,0.,-1.
3.0E7,1.5E7
*FRAME SECTION,SECTION=PIPE,ELSET=TOP,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS,BUCKLING
4.3125,0.25
0.,0.,-1.
3.0E7,1.5E7
*FRAME SECTION,SECTION=I,ELSET=W,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS
7.01,14.02,14.52,14.52,0.71,0.71,0.44
0.,0.,-1.
3.0E7,1.5E7
*FRAME SECTION,SECTION=PIPE,ELSET=BOTTOM_C,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS,BUCKLING
6.375,0.5
0.,0.,-1.
3.0E7,1.5E7
*FRAME SECTION,SECTION=PIPE,ELSET=MID_COL,
YIELDSTRESS=51.9E3,PLASTIC DEFAULTS,BUCKLING
6.375,0.33
0.,0.,-1.
3.0E7,1.5E7
*ELSET,ELSET=OUTPUT
7,8,9
*NSET,NSET=TEN
10
*BOUNDARY
1,1,2
3,1,2
*STEP
*STATIC
*CLOAD
10,2,-2.5E4
11,2,-5.0E4
12,2,-2.5E4
*EL PRINT,FREQ=100
SF,
SEP,
SALPHA,
*NODE PRINT,FREQ=100
U
RF
*NODE FILE,FREQ=100
U
RF
*output,field,freq=100
*element output
sf,
sep,
*output,history,freq=100
*node output,nset=TEN
u,
rf,
cf,
*END STEP
*STEP
*STATIC
0.01,1.0,,0.03
*BOUNDARY
10,1,1,6.
*EL PRINT,FREQ=20
SF,
SEE,
*EL PRINT,FREQ=20
SEP,
SALPHA,
*FILE FORMAT,ZERO INCREMENT
*NODE PRINT,NSET=TEN,FREQ=20
RF,
*NODE FILE,FREQ=20
*****
** TO PLOT USE FREQ=1
*****
U,
RF,
*EL FILE,FREQ=20,ELSET=OUTPUT
SF,
SEE,
*EL FILE,FREQ=20
SEP,
SALPHA,
*ENERGY FILE,FREQ=50
*MONITOR,DOF=1,NODE=10
*output,field,freq=20
*element output
sf,
sep,
*output,history,freq=20
*****
** TO PLOT USE FREQ=1
*node output,nset=TEN
u,
rf,
*END STEP