Figure 1.
Figure 2.
![(a) First eigen buckling mode shape in the isometric view of the model A given in Combescure and Gusic [27]. (b) First eigen buckling mode shape in the isometric view of model 53 given in Windernburg and Trilling [28]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6532478bd5e1060ee4c74a84/j_acee-2023-0032_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251105%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251105T065513Z&X-Amz-Expires=3600&X-Amz-Signature=3ad237c95a5e3806629850302ee1775ff1e129c50a2e76f5267d5c9578ab6b6f&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 3.
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Figure 11.
Comparison with buckling pressure of the cylindrical shell given in Combescure and Gusic [27] and Rathinam and Prabu [13]
| Cylindrical shell | R (mm) | L (mm) | t (mm) | Young's modulus (GPa) | Poisson's ratio (γ) | FE eigen buckling pressure (MPa) | ||
|---|---|---|---|---|---|---|---|---|
| Combescure and Gusic | Rathinam and Prabu | From present analysis | ||||||
| A | 50 | 20 | 0.15 | 200 | 0.3 | 0.2936 | 0.2927 | 0.2985 |
Material Properties [12]
| Material | Yield stresses (MPa) | Tangent Modulus (MPa) | Young's modulus (MPa) | Poisson's ratio |
|---|---|---|---|---|
| Cylinder sheet | 198.8 | 1450 | 210 000 | 0.29 |
Comparison with buckling pressure of the cylindrical shell given in Windernburg and Trilling [28] and Rathinam and Prabu [13]
| Cylindrical shell | R (mm) | L (mm) | t (mm) | Young's modulus (GPa) | Poisson's ratio (γ) | FE eigen buckling pressure (MPa) | ||
|---|---|---|---|---|---|---|---|---|
| Windernburg and Trilling | Rathinamn and Prabu | From present analysis | ||||||
| 53 | 203.2 | 406.4 | 0.8 | 193 | 0.3 | 0.096 (8) | 0.108 (8) | 0.111 (8) |