Knockdown factor of buckling load for axially compressed cylindrical shells: state of the art and new perspectives

B Wang, P Hao, X Ma, K Tian - Acta Mechanica Sinica, 2022 - Springer
Thin-walled structures are commonly utilized in aerospace and aircraft structures, which are
prone to buckling under axial compression and extremely sensitive to geometric …

Buckling identification in composite cylindrical shells with measured imperfections using a Multi-DIC method and finite element analysis

R Xin, VT Le, NS Goo - Thin-Walled Structures, 2022 - Elsevier
In this study, we investigated the global–local buckling phenomenon with the aid of a multi-
Digital Image Correlation (DIC) technique. First, the multi-DIC technique was introduced to …

Buckling and fracture analysis of thick and long composite cylinders with cutouts under axial Compression: An experimental and numerical campaign

HQ Ali, HNR Wagner, C Akalın, IE Tabrizi, C Hühne… - Composite …, 2023 - Elsevier
This article reports on the manufacturing, experimental testing, and finite element analysis of
very thick and long carbon-fiber-reinforced polymers (CFRP) tubes under uniaxial …

Probabilistic and deterministic lower-bound design benchmarks for cylindrical shells under axial compression

HNR Wagner, C Hühne, I Elishakoff - Thin-Walled Structures, 2020 - Elsevier
This article contains examples to demonstrate the use of different design concepts for
cylindrical shells under axial compression. The examples are based on shells which were …

Buckling of cylindrical shells under axial compression with loading imperfections: An experimental and numerical campaign on low knockdown factors

HNR Wagner, C Hühne, M Janssen - Thin-Walled Structures, 2020 - Elsevier
Thin-walled cylindrical shells are primary structures in aerospace, marine and civil
engineering. A major loading scenario for these imperfection sensitive shells is axial …

Robust knockdown factors for the design of axially loaded cylindrical and conical composite shells–development and validation

HNR Wagner, C Hühne, S Niemann - Composite structures, 2017 - Elsevier
The stability failure of the axially loaded cylindrical shell is considered as the last unresolved
classical stability problem, although it has been investigated for over 100 years. Therefore …

Buckling behavior of steel and steel–composite cylinders under external pressure

X Zuo, J Zhang, W Tang, Y Li, H Li - Thin-Walled Structures, 2022 - Elsevier
This study investigated the buckling behavior of steel and steel–composite cylinders under
external pressure. The steel cylinders had a length-to-diameter ratio of 2.01 and a thickness …

Simulating the effects of geometric imperfections on the buckling of axially compressed cylindrical shells through reducing localized stiffness

W Gu, H Fan, Y Hou - Thin-Walled Structures, 2024 - Elsevier
Thin-walled cylindrical shells are prone to buckling under axial compression. The load-
carrying capacity of the shells can thus be significantly reduced. It's well known that the …

[HTML][HTML] Buckling of composite cylindrical shells with ovality and thickness variation subjected to hydrostatic pressure

Z Li, K Shen, X Zhang, G Pan - Defence Technology, 2022 - Elsevier
The initial geometric imperfection is one of the primary factors affecting the buckling
behaviors of composite cylindrical shells under hydrostatic pressure. In this study, ovality …

Towards robust knockdown factors for the design of conical shells under axial compression

HNR Wagner, C Hühne, R Khakimova - International Journal of …, 2018 - Elsevier
Thin-walled conical shells are used as adapters between cylindrical shells of different
diameters in launch-vehicle systems. Conical shells carry heavy payloads and are …