*HEADING
SPHERICAL CAVITY, C3D20R+CIN3D12R, R=1,2, SUBSTRUCTURE USAGE,  
Requires substructure generation file sphericalcavinfmed_i2_sub_gen1.inp
*RESTART,WRITE
*NODE,SYSTEM=S
1,1.,0.,90.
9,1.,90.,0.
81,1.,0.,0.
*ELEMENT,TYPE=Z1,ELSET=SUPER, FILE=sphericalcavinfmed_i2_sub_gen1
1,1,9,81
*SUBSTRUCTURE PROPERTY,ELSET=SUPER
*NSET,NSET=XSYM
1,9
*NSET,NSET=YSYM
1,81
*NSET,NSET=ZSYM
9,81
*STEP
*STATIC
*SLOAD
SUPER,LOAD,1.0
*BOUNDARY
XSYM,1
YSYM,2
ZSYM,3
*OUTPUT,VAR=PRESELECT,FIELD
*SUBSTRUCTURE PATH,ENTER ELEMENT=1
*OUTPUT,VAR=PRESELECT,FIELD
*NODE PRINT,NSET=NALL
U, 
RF, 
*EL PRINT,ELSET=EALL
S, 
E, 
*NODE FILE,NSET=OUTN
U, 
*SUBSTRUCTURE PATH,LEAVE
*END STEP