*HEADING
 L-shaped bracket
 272 element mesh, eigenvalue buckling analysis
*NODE
*NGEN,NSET=EDGE1
*NGEN,NSET=EDGE2
*NGEN,NSET=EDGE3
*NGEN,NSET=EDGE4
*NFILL
 EDGE1, EDGE2, 8, 100
*NFILL
 EDGE3, EDGE4, 8, 100
*ELEMENT,TYPE=S4R
*ELGEN,ELSET=BLOCK1
*ELGEN,ELSET=BLOCK2
*ELEMENT,TYPE=S4R,ELSET=BLOCK3
*ELSET,ELSET=EALL
 BLOCK1, BLOCK2, BLOCK3
*SHELL SECTION,MATERIAL=A1,ELSET=EALL
 .6,3
*MATERIAL,NAME=A1
*ELASTIC
 71240, 0.31
*NSET,NSET=WALL,GEN
*NSET,NSET=TIP
*BOUNDARY
 WALL,1,6
*STEP
*BUCKLE, EIGENSOLVER=LANCZOS
 1, 0.0
*CLOAD
 TIP,1,1.0
*NODE FILE
 U,
 CF,
*OUTPUT,FIELD
*NODE OUTPUT
U,
CF,
*ENDSTEP