*HEADING
 JAIN AND KENNEDY SLAB AS A BEAM (WITH TENSION STIFFENING) 
*NODE  ,NSET=ENDS
1,0.
6,15.
*NGEN,NSET=NALL
1,6
*ELEMENT,TYPE=B21,ELSET=MID
1,1,2
*ELGEN,ELSET=SLAB
1,5
*BEAM SECTION,SECTION=RECT,ELSET=SLAB,MATERIAL=A1
18.,1.5
 0., 0., -1.
 9, 
*MATERIAL,NAME=A1
*ELASTIC
4.2E6,.18
*CONCRETE, DEPENDENCIES=1
2670., 0,   ,0
4640.,.0013,,0
2670., 0,   ,100
4640.,.0013,,100
*FAILURE RATIOS
1.16,.0625
*TENSION STIFFENING
 1.,0.
 0.,5.E-4
*INITIAL CONDITIONS, TYPE=FIELD, VARIABLE=1
NALL, 40.0
*REBAR,ELEMENT=BEAM,MATERIAL=A2,NAME=REB
SLAB,.19332,0.,-.47
*MATERIAL,NAME=A2
*ELASTIC
29.E6, 
*PLASTIC
31900., 
*BOUNDARY
1,XSYMM
6,2
*STEP,INC=20
*STATIC,RIKS
.05,1.,,,,1,2,-.35
*CLOAD
4,2,-10000.
*NODE PRINT
U, 
CF, 
RF, 
*NODE FILE,NSET=ENDS
U, 
CF, 
RF, 
*OUTPUT,FIELD
*NODE OUTPUT,NSET=ENDS
U,
CF,
RF,
*END STEP