Study on the Axial Compression Postbuckling Similitude Model of the Stiffened Cylindrical Shell with Dimple Imperfections

Figure 7

Comparison of buckling modes between the prototype and partial similitude model when λ_m = 0.060 m and δ₀ = 0.5. (a) Oblique view of the prototype (10x magnification). (b) Front view of the prototype (10x magnification). (c) Near imperfection of the prototype (1x). (d) Oblique view of the aluminum model (10x magnification). (e) Front view of the aluminum model (10x magnification). (f) Near imperfection of the aluminum model (1x). (g) Oblique view of the copper model (10x magnification). (h) Front view of the copper model (10x magnification). (i) Near imperfection of the copper model (1x). (j) Oblique view of the brass model (10x magnification). (k) Front view of the brass model (10x magnification). (l) Near imperfection of the brass model (1x). (m) Oblique view of the PVC model (10x magnification). (n) Front view of the PVC model (10x magnification). (o) Near imperfection of the PVC model (1x).

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