*HEADING
 - Adding/removing elements and verification for initial conditions
 - Test for S4R element
*PREPRINT,ECHO=YES,HISTORY=YES,MODEL=YES
*IMPORT, STEP=1, UPDATE=YES, STATE=NO
 E1, 
*NODE, NSET=N3
 111,0,5,0
 112,2,5,0
 113,2,7,0
 114,0,7,0
*ELEMENT, TYPE=S4R, ELSET=E3
 111,111,112,113,114
*SHELL SECTION, ELSET=E3, MATERIAL=MAT2
 0.002, 
*MATERIAL, NAME=MAT2
*HYPERELASTIC
3.2E6,0.8E6,0.001
*DENSITY
1000., 
*BOUNDARY
 N1,3,6
 N3,3,6
 1,1,2
 111,1,2
 2,2,2
 112,2,2
 4,1,1
 114,1,1
*NSET, NSET=SIDE_2
 112,113
*INITIAL CONDITIONS, TYPE=STRESS, UNBALANCED STRESS=STEP
 E1, -36484.,38545.,0.00000E+00
*RESTART, WRITE, FREQ=999
*STEP, NLGEOM, INC=50
*STATIC
 0.1, 1.0
*CONTROLS, PARAMETER=FIELD, FIELD=GLOBAL
 1.0E-4,,,1.0
*BOUNDARY
 SIDE_2,1,1,0.2
*EL FILE, DIRECTIONS=YES
 S,LE
*NODE FILE
 U,COORD
*OUTPUT,FIELD,VARIABLE=PRESELECT,FREQUENCY=999
*OUTPUT,FIELD
*ELEMENT OUTPUT
 S,LE
*OUTPUT,FIELD
*NODE OUTPUT
 U,COORD
*END STEP