*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
*SHELL SECTION, ELSET=E4, MATERIAL=MAT
 0.002, 
*MATERIAL, NAME=MAT
*ELASTIC 
 200.E9, 0.3
*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
*ELSET,ELSET=QA_TEST_All_ELSETS_AUTO
E4, E4,
*NSET,NSET=QA_TEST_All_NSETS_AUTO
N4, SIDE_3, END,
*STEP
*DYNAMIC, EXPLICIT
 ,0.01
*BOUNDARY, TYPE=VELOCITY
 SIDE_3,1,1,20.
*FILE OUTPUT,TIMEMARKS=YES, NUM=4
*EL FILE
 STH,
*EL FILE
 PEEQ,
*NODE FILE
 U,
*OUTPUT,FIELD,VARIABLE=PRESELECT,NUMBER INTERVAL=4,OP=NEW
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIME INTERVAL=0.0025,OP=NEW
*OUTPUT, FIELD,TIMEMARKS=YES, NUM=4
*ELEMENT OUTPUT,ELSET=QA_TEST_All_ELSETS_AUTO
 STH,
*ELEMENT OUTPUT,ELSET=QA_TEST_All_ELSETS_AUTO
 PEEQ,
*NODE OUTPUT,NSET=QA_TEST_All_NSETS_AUTO
 U,
*END STEP