*HEADING
LOAD-DISPLACEMENT ANALYSIS (EULER COLUMN):B21        
*RESTART,WRITE
*NODE
1, 0.0, .03
2, 0.6, .027645
3, 1.2, .025308
4, 1.8, .022998
5, 2.4, .02073
6, 3.0, .018519
7, 3.6, .01638
8, 4.2, .014325
9, 4.8, .012366
10, 5.4, .010518
11, 6.0, .008787
12, 6.6, .007188
13, 7.2, .00573
14, 7.8, .004422
15, 8.4, .00327
16, 9.0, .0022836
17, 9.6, .0014683
18, 10.2, .0008289
19, 10.8, .00036936
20, 11.4, .000092481
21, 12.0, 0.0
*NSET,NSET=ONE
1,
*ELEMENT,TYPE=B21
1,1,2
*ELGEN,ELSET=EALL
1,20,1,1
*ELSET,ELSET=PRIN
5,
*BEAM GENERAL SECTION,SECTION=GENERAL,ELSET=EALL
 2.5422E-2, 1.23E-4, 0.0, 2.092E-3,4.5829E-6
 0.0, 0.0, -1.0
 2.1E11,8E10
*BOUNDARY
21,1,6
*STEP,NLGEOM,INC=150
*STATIC,RIKS
.0001,1.,,,6.0
*CLOAD
1,1,4.3719E5
*NODE PRINT,FREQUENCY=2
U,
RF, 
*EL PRINT,ELSET=PRIN,FREQUENCY=0
S, 
*NODE FILE,NSET=ONE
U, 
RF, 
*END STEP