*HEADING
 - Adding/removing elements and verification for initial conditions
 - Test for S4R element
*IMPORT, STEP=1, UPDATE=YES, STATE=NO
 E4,
*NODE, NSET=N4
 203,0,0,0
 204,2,0,0
 205,2,2,0
 206,0,2,0
*ELEMENT, TYPE=S4R, ELSET=E4
 201,203,204,205,206
*NODE, NSET=N5
 211,0,5,0
 212,2,5,0
 213,2,7,0
 214,0,7,0
*ELEMENT, TYPE=S4R, ELSET=E5
 211,211,212,213,214
*NSET, NSET=NALL
 N4, N5
*ELSET,ELSET=EALL
 E4, E5
*SHELL SECTION, ELSET=EALL, MATERIAL=MAT4
 0.002, 
*MATERIAL, NAME=MAT4
*HYPERELASTIC
3.2E6,0.8E6,0.001
*DENSITY
1000., 
*STEP,NLGEOM
*STATIC
*BOUNDARY
NALL,1,6
*EL PRINT, FREQ=0
*NODE PRINT, FREQ=0
*EL FILE
 S,LE
*NODE FILE
 U,
 COORD,
*END STEP