*HEADING
: ISOPARAMETRIC AND SKEW REBAR UNDER BENDING  [S8R]
*NODE,NSET=ALL_NODES
1, 
2,10.
3,10.,10.
4,0.,10.
5,5.
6,10.,5.
7,5.,10.
8,0.,5.
*NSET,NSET=LEFT_NODES
1,4,8
*NSET,NSET=BOTTOM_NODES
1,2,5
*ELEMENT,TYPE=S8R,ELSET=SHELL_ELEMENT
1, 1,2,3,4,5,6,7,8
*SHELL SECTION,MATERIAL=SHELL_MATERIAL, ELSET=SHELL_ELEMENT
2.,3
*REBAR LAYER
REBAR_NUMBER-1,1.0,2.5,0,REBAR_MATERIAL-1,0,1 
REBAR_NUMBER-2,1.0,2.5,0,REBAR_MATERIAL-2,90,1
REBAR_NUMBER-3,1.0,3.5355,0,REBAR_MATERIAL-3,45,1
REBAR_NUMBER-4,1.0,3.5355,0,REBAR_MATERIAL-4,135,1  
*MATERIAL,NAME=SHELL_MATERIAL
*ELASTIC
1., 
*MATERIAL,NAME=REBAR_MATERIAL-1
*ELASTIC
30.E6, 
*MATERIAL,NAME=REBAR_MATERIAL-2
*ELASTIC
30.E6, 
*MATERIAL,NAME=REBAR_MATERIAL-3
*ELASTIC
30.E6, 
*MATERIAL,NAME=REBAR_MATERIAL-4
*ELASTIC
30.E6, 
*BOUNDARY
ALL_NODES,3,6
LEFT_NODES,1
BOTTOM_NODES,2
*STEP,PERTURBATION
*STATIC
*EL FILE,REBAR=REBAR_NUMBER-1
 S,E,
*EL FILE,REBAR=REBAR_NUMBER-2
 S,E,
*EL FILE,REBAR=REBAR_NUMBER-3
 S,E,
*EL FILE,REBAR=REBAR_NUMBER-4
 S,E,
*NODE FILE
 U,RF,COORD
*OUTPUT,FIELD
*NODE OUTPUT
U,RF,COORD
*EL PRINT,REBAR=REBAR_NUMBER-1
 S,E,
*EL PRINT,REBAR=REBAR_NUMBER-2
 S,E,
*EL PRINT,REBAR=REBAR_NUMBER-3
 S,E,
*EL PRINT,REBAR=REBAR_NUMBER-4
 S,E,
*NODE PRINT
 U,
 RF,
 COORD,
*CLOAD
2,1,33333.33
6,1,133333.33
3,1,33333.33
3,2,33333.33
7,2,133333.33
4,2,33333.33
*END STEP
*STEP,NLGEOM
LARGE DISPLACEMENT ANALYSIS
*STATIC
1.,1.
*EL FILE,REBAR=REBAR_NUMBER-1
 S,E,
*EL FILE,REBAR=REBAR_NUMBER-2
 S,E,
*EL FILE,REBAR=REBAR_NUMBER-3
 S,E,
*EL FILE,REBAR=REBAR_NUMBER-4
 S,E,
*NODE FILE
 U,RF,COORD
*OUTPUT,FIELD
*NODE OUTPUT
U,RF,COORD
*EL PRINT,REBAR=REBAR_NUMBER-1
 S,E,
*EL PRINT,REBAR=REBAR_NUMBER-2
 S,E,
*EL PRINT,REBAR=REBAR_NUMBER-3
 S,E,
*EL PRINT,REBAR=REBAR_NUMBER-4
 S,E,
*NODE PRINT
 U,
 RF,
 COORD,
*CLOAD ,OP=NEW
2,1,33333.33
6,1,133333.33
3,1,33333.33
3,2,33333.33
7,2,133333.33
4,2,33333.33
*END STEP