*HEADING
 BASIC VERIFICATION - MPC TYPE BEAM with  *BUCKLE & *RIKS
*NODE
     1,  0.000000E+00,  0.000000E+00,  0.000000E+00
     2,  1.383686E+00,  1.385641E+00,  1.387596E+00
     3,  2.763844E+00,  2.771281E+00,  2.778719E+00
     4,  4.141237E+00,  4.156922E+00,  4.172606E+00
     5,  5.517170E+00,  5.542563E+00,  5.567955E+00
     6,  6.892848E+00,  6.928203E+00,  6.963559E+00
*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
*BUCKLE
4,
*CLOAD
6,1,-0.577350269
6,2,-0.577350269
6,3,-0.577350269
*MODAL FILE
*MODAL PRINT
*NODE PRINT,F=0
*EL PRINT, F=0
*ENDSTEP
************************
*STEP,NLGEOM,INC=50
*STATIC,RIKS
0.01,1.0,,,3.0
*CLOAD
6,1,-57.73502692
6,2,-57.73502692
6,3,-57.73502692
*NODE FILE,FREQ=10
U,COORD,
CF, 
*NODE PRINT,FREQ=100, GLO=yes
U,COORD,
CF, 
*EL PRINT,FREQ=0
*END STEP
**************************