*HEADING
 Substructure test, frequency extraction, rotated substructure
 SUBSTRUCTURE GENERATION FILE psupfre3_gen1.inp SHOULD BE RUN FIRST. 
** ----------------------- Usage Level
*NODE
 1, 0.2,  0.0
 2, 0.5,  0.0
 3, 1.0,  0.0
*ELEMENT, TYPE=Z1, ELSET=LEFT, FILE=psupfre3_gen1
 1,1,2,3
*SUBSTRUCTURE PROPERTY,ELSET=LEFT
 0., 0., 0.
 0., 0., 0., 0., 0., 1., -90.0
*RESTART,WRITE
** ----------------------- Analysis
*STEP
*FREQUENCY,EIGENSOLVER=SUBSPACE, SIM
 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