*HEADING
 Transfer from Explicit to Standard to Explicit
 - Adding/removing elements and verification for initial conditions
 - Test for S4R element
*IMPORT, STEP=1, UPDATE=YES, STATE=YES
 E3,
*NODE, NSET=N4
 201,0,0,0
 202,2,0,0
 203,2,2,0
 204,0,2,0
*ELEMENT, TYPE=S4R, ELSET=E4
 201,201,202,203,204
*SECTION CONTROL, NAME=SECT1, HOURGLASS=STIFFNESS
*SHELL SECTION, ELSET=E4, MATERIAL=MAT3, CONTROL=SECT1
 0.002, 
*MATERIAL, NAME=MAT3
*HYPERELASTIC
3.2E6,0.8E6,0.001
*DENSITY
1000., 
*BOUNDARY
 N3,3,6
 N4,3,6
 201,1,2
 111,1,2
 202,2,2
 112,2,2
 204,1,1
 114,1,1
*INITIAL CONDITIONS, TYPE=VELOCITY
 SIDE_2,1,0.1
*NSET, NSET=SIDE_3
 202,203
*NSET, NSET=END
 SIDE_2, SIDE_3
*RESTART,TIMEMARKS=NO,WRITE,NUMBER=2
**
*NSET, NSET=QA_TEST_ALLNODES
N4, SIDE_3, END
**
*STEP
*DYNAMIC, EXPLICIT, IMPROVED DT METHOD=NO
 ,0.01
*BOUNDARY, TYPE=VELOCITY
 SIDE_3,1,1,20.
*FILE OUTPUT,TIMEMARKS=YES, NUM=4
*NODE FILE
 U,
*OUTPUT, FIELD, TIMEMARKS=YES, NUMBER INTERVAL=4
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
 U,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.0025
***OUTPUT,HISTORY,VARIABLE=PRESELECT
*END STEP