*HEADING TEST WITH THREE SUBSTRUCTURES SUBSTRUCTURE GENERATION FILES substrframe_1level_2mode_gen1.inp AND substrframe_1level_2mode_gen2.inp SHOULD BE RUN FIRST. ** *ELEMENT,TYPE=Z101,ELSET=SUPER, FILE=substrframe_1level_2mode_gen1 61 , 1,11 *ELEMENT,TYPE=Z101,ELSET=SUPER63, FILE=substrframe_1level_2mode_gen1 63 ,31,21 *ELEMENT,TYPE=Z201,ELSET=SUPER, FILE=substrframe_1level_2mode_gen2 62 ,11,21 *SUBSTRUCTURE PROPERTY, ELSET=SUPER *SUBSTRUCTURE PROPERTY, ELSET=SUPER63 8.0,, *BOUNDARY 1,1,6 31,1,6 *RESTART, WRITE *STEP,PERTURBATION *STATIC *SLOAD 62 , SNOW, -235. *SUBSTRUCTURE PATH, ENTER ELEMENT=61 *OUTPUT,VAR=PRESELECT,FIELD *NODE PRINT U, *EL PRINT S,E *SUBSTRUCTURE PATH, LEAVE, ENTER ELEMENT=62 *OUTPUT,VAR=PRESELECT,FIELD *NODE PRINT U, *SUBSTRUCTURE PATH, LEAVE *NODE PRINT U,RF *NODE FILE U,RF *OUTPUT,FIELD,VAR=PRESELECT *END STEP *STEP,PERTURBATION *FREQUENCY, eigensolver=lanczos 10, , *MODAL FILE *NODE FILE,FREQUENCY=0 *OUTPUT,FIELD,VAR=PRESELECT *END STEP