*HEADING
 Transfer from Explicit to Standard to Explicit
 - Adding/removing elements and verification for initial conditions
 - Test for S4R element
*IMPORT, STEP=1, INT=2, 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=MAT
 0.002, 
*MATERIAL, NAME=MAT
*ELASTIC 
 200.E9, 0.3
*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, 1.9062E10
*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,E
*EL FILE
 STH,
*NODE FILE
 U,COORD
*EL PRINT,FREQ=999
 S,
 E,
 PEEQ,
*NODE PRINT,FREQ=999
 U,
 COORD,
 RF,
*OUTPUT,HISTORY,VARIABLE=PRESELECT
*OUTPUT,FIELD
*NODE OUTPUT
 COORD,
*ELEMENT OUTPUT
S,LE,PE,PEEQ
*END STEP