*HEADING
 BASIC VERIFICATION - MPC TYPE BEAM with  *BUCKLE
*system
0.,0.,0., 2.,2.,2.
-0.408248,0.8164965,-0.4082482
*NODE
1,0.,0.,0.,0.,1.,0.
6,12.,0.,0.,0.,1.,0.
*NGEN
1,6,
*ELEMENT,TYPE=B32, ELSET=EALL
1,1,2,3
2,3,4,5
*NSET, NSET=TWO
5, 
*NSET, NSET=THREE
6, 
*BEAM SECTION,SECTION=I,MATERIAL=MAT, ELSET=EALL
0.7,1.4,0.5,0.5,0.3,0.3,0.3
*BOUNDARY
1,1,6
*MPC
BEAM,5,6
*MATERIAL,NAME=MAT
*ELASTIC
3.E6, 
*DENSITY
1700., 
******************************
*STEP,PERTURBATION
*STATIC
*NODE FILE
U,COORD,
CF, 
*OUTPUT,FIELD
*NODE OUTPUT
U,COORD,
CF,
*NODE PRINT, GLO=YES
U,COORD,
CF, 
*EL PRINT,FREQ=0
*CLOAD
6,2,-816.4965809
6,1,408.24829
6,3,408.24829
*END STEP
******************************
*STEP
*BUCKLE
4,
*CLOAD
6,1,-577.35
6,2,-577.35
6,3,-577.35
*NODE FILE
u, 
*OUTPUT,FIELD
*NODE OUTPUT
u,
*ENDSTEP
******************************
*STEP,NLGEOM
*STATIC
*CLOAD
6,2,-816.4965809
6,1,408.24829
6,3,408.24829
*NODE FILE,FREQ=99
U,COORD,
CF, 
*OUTPUT,FIELD,FREQ=99
*NODE OUTPUT
U,COORD,
CF,
*NODE PRINT,FREQ=99, GLO=yes
U,COORD,
CF, 
*EL PRINT,FREQ=0
*END STEP