Table 1.
Comparison of first three buckling modes under different boundary conditions.
| Modes | Models | Case 5 CCSS-Uniaxial |
Case 6 CSFF-Uniaxial |
Case 7 SSSS-Uniaxial |
|---|---|---|---|---|
| Mode 1 | 3D-FEM |
 210.2 N |
 53.2 N |
 74.1 N |
| 2D-EPM |
 217.2 N (3.36%) |
 57.2 N (1.77%) |
 75.8 N (2.23%) |
|
| Mode 2 | 3D-FEM |
 237.9 N |
 105.1 N |
 181.9 N |
| 2D-EPM |
 232.4 N (2.31%) |
 101.4 N (3.50%) |
 188.3 N (3.51%) |
|
| Mode 3 | 3D-FEM |
 372.1 N |
 175.0 N |
 206.0 N |
| 2D-EPM |
 378.6 N (1.77%) |
 171.0 N (2.31%) |
 197.2 N (4.26%) |
|
| Mode 4 | 3D-FEM |
 589.3 N |
 229.4 N |
 330.4 N |
| 2D-EPM |
 563.6 N (4.36%) |
 217.6 N (5.15%) |
 316.0 N (4.34%) |