*HEADING
 Substructure test, frequency extraction with *TRANSFORM option
 SUBSTRUCTURE GENERATION FILE psupfre2_gen1.inp SHOULD BE RUN FIRST. 
** ----------------------- Usage Level
*NODE,NSET=NRET
 1, 0.2,  0.0
 2, 0.5,  0.0
 3, 1.0,  0.0
*TRANSFORM,NSET=NRET
 0.,-1.,0.,1.,0.,0.
*ELEMENT, TYPE=Z1, ELSET=LEFT, FILE=psupfre2_gen1
 1,1,2,3
*SUBSTRUCTURE PROPERTY,ELSET=LEFT
*RESTART,WRITE
** ----------------------- Analysis
*STEP
*FREQUENCY
 3,,
*SUBSTRUCTURE PATH,ENTER=1
*OUTPUT,FIELD,VAR=PRESELECT
*NODE PRINT,NSET=NALL
 U,
*NODE FILE, NSET=NALL
 U,
*EL PRINT
*SUBSTRUCTURE PATH,LEAVE
*END STEP