*HEADING
360 DEGREES MODEL CORRESPONDING TO B32 ELEMENTS
*PREPRINT, ECHO=YES, MODEL=YES, HISTORY=YES
*NODE,NSET=NALL
*ELEMENT,TYPE=B32, ELSET=EALL
*BEAM SECTION,SECTION=PIPE,MATERIAL=MAT, ELSET=EALL
10.,1.
0,0,-1
*MATERIAL,NAME=MAT
*ELASTIC
10E8,0.3
*DENSITY
100,
*STEP
*FREQUENCY,EIGENSOLVER=LANCZOS, SIM=NO
12,
*OUTPUT, FIELD, FREQUENCY=0
*END STEP