*HEADING
360 DEGREES MODEL CORRESPONDING TO 1X2 MESH OF C3D8R ELEMENTS
USING MPC'S
*PREPRINT, ECHO=YES, MODEL=YES, HISTORY=YES
*NODE
*ELEMENT, TYPE=C3D8R, ELSET=EALL
*NSET, NSET=NBC
*SOLID SECTION, ELSET=EALL,MATERIAL=MAT
*MATERIAL,NAME=MAT
*ELASTIC
10E8,0.3
*DENSITY
100
*MPC
LINK, 10, 11
LINK, 9, 12
LINK, 24, 23
LINK, 21, 22
LINK, 1, 4
LINK, 2, 3
LINK, 19, 18
LINK, 20, 17
*STEP
*FREQUENCY,EIGENSOLVER=LANCZOS, SIM=NO
 10
*OUTPUT, FIELD, FREQUENCY=0
*END STEP