Geometric imperfections in CFS structural members: Part I: A review of the basics and some modeling strategies

S Farzanian, A Louhghalam, BW Schafer… - Thin-Walled …, 2023 - Elsevier
Unavoidable geometric imperfections complicate the load–displacement response of thin-
walled cold-formed steel (CFS) structural members. While the inclusion of geometric …

Probing in situ capacities of prestressed stayed columns: towards a novel structural health monitoring technique

J Shen, L Lapira, MA Wadee… - … of the Royal …, 2023 - royalsocietypublishing.org
Prestressed stayed columns (PSCs) are structural systems whose compressive load-
carrying capacity is enhanced through pre-tensioned cable stays. Much research has …

Probing the stability landscape of cylindrical shells for buckling knockdown factors

RMJ Groh, A Pirrera - Philosophical Transactions of the …, 2023 - royalsocietypublishing.org
The buckling response of axially compressed cylindrical shells is well known for its
imperfection sensitivity. Mapping out a stability landscape by localized probing has recently …

Buckling analyses of thin-walled cylindrical shells subjected to multi-region localized axial compression: Experimental and numerical study

H Ma, P Jiao, H Li, Z Cheng, Z Chen - Thin-Walled Structures, 2023 - Elsevier
Thin-walled cylindrical shell is a fundamental engineering structure which has efficient load-
carrying capacity. In practical application, this structure is more easily subjected to localized …

[HTML][HTML] Digital image correlation-aided non-destructive buckling load prediction of cylindrical shells

W Sun, T Zhu, F Li, G Lin - International Journal of Solids and Structures, 2022 - Elsevier
The buckling capacity of a thin cylindrical shell depends on the unknown existed
imperfections. Therefore, the prediction of the shell buckling load is still challenging if not …

[HTML][HTML] Quantifying efficient shape-shifting: Energy barrier measurement in multi-stable lattice metamaterials

Q Zhang, J Shen, M Garrad, F Scarpa, A Pirrera… - Thin-Walled …, 2024 - Elsevier
Shape-shifting between multiple stable deformation states offers attractive pathways to
design adaptive structures. Ideas have been conceptualised in diverse fields, including soft …

Probabilistic buckling of imperfect hemispherical shells containing a distribution of defects

F Derveni, W Gueissaz, D Yan… - … Transactions of the …, 2023 - royalsocietypublishing.org
The buckling of spherical shells is plagued by a strong sensitivity to imperfections.
Traditionally, imperfect shells tend to be characterized empirically by the knockdown factor …

Hitting the mark: probing at the initiation site allows for accurate prediction of a thin shell's buckling load

NL Cuccia, K Kumar Yadav… - … of the Royal …, 2023 - royalsocietypublishing.org
Geometric imperfections are understood to play an essential part in the buckling of a thin
shell, but how multiple defects interact to control the onset of failure remains unclear. Here …

Experimentally probing the stability of thin-shell structures under pure bending

F Royer, S Pellegrino - Philosophical Transactions of the …, 2023 - royalsocietypublishing.org
This paper studies the stability of space structures consisting of longitudinal, open-section
thin-shells transversely connected by thin rods subjected to a pure bending moment …

Non-destructive prediction of buckling load of axially compressed cylindrical shells using least resistance path to probing

S Ankalkhope, S Jose - Thin-Walled Structures, 2022 - Elsevier
Stability properties of localized states is of great significance in the determination of
nonlinear buckling characteristics of an axially loaded cylindrical shell. We have analyzed …