*HEADING
 Transfer from Explicit to Standard : Test for S4R element 
 - Springback analysis
 - tension test
*IMPORT,STEP=1,INT=2,UPDATE=NO,STATE=YES
 SHELL,
*MATERIAL,NAME=STEEL
*ELASTIC
 200.E9, 0.3
*PLASTIC
 500.E6, 0.
 1000.E6, 1.
*DENSITY
 1000., 
*BOUNDARY
 1, 3,3
 2, 3,3
 3, 3,3
 4, 3,3
 1, 1,2
 2, 2,2
 3, 1,1
*RESTART,FREQ=2,WRITE
**
*STEP,NLGEOM,INC=50
*STATIC 
 0.1, 1.
*CONTROLS, PARAMETERS=FIELD, FIELD=DISPLACEMENT
 1.0e-4,,,1.,
*PRINT,FREQ=1
*EL PRINT,FREQ=10
 S,
 E,
 STH,
 PEEQ,
*NODE PRINT,FREQ=10
 U,
 COORD,
 RF,
*OUTPUT,HISTORY,VARIABLE=PRESELECT
*OUTPUT,FIELD
*NODE OUTPUT
 COORD,
*ELEMENT OUTPUT
S,LE,PE,PEEQ,
STH,
*END STEP