[HTML][HTML] A review of topology optimization for additive manufacturing: Status and challenges
ZHU Jihong, Z Han, W Chuang, Z Lu… - Chinese Journal of …, 2021 - Elsevier
Topology optimization was developed as an advanced structural design methodology to
generate innovative lightweight and high-performance configurations that are difficult to …
generate innovative lightweight and high-performance configurations that are difficult to …
Recent progresses in lightweight carbon fibre reinforced lattice cylindrical shells
M Li, H Zhu, C Lai, W Bao, H Han, R Lin, W He… - Progress in Aerospace …, 2022 - Elsevier
Owing to their high strengths and stiffnesses, carbon fibre reinforced composites (CFRC) are
widely used in aerospace engineering for lightweight structural designs. The introduction of …
widely used in aerospace engineering for lightweight structural designs. The introduction of …
Geometric imperfections and lower-bound methods used to calculate knock-down factors for axially compressed composite cylindrical shells
SGP Castro, R Zimmermann, MA Arbelo… - Thin-Walled …, 2014 - Elsevier
The important role of geometric imperfections on the decrease of the buckling load for thin-
walled cylinders had been recognized already by the first authors investigating the …
walled cylinders had been recognized already by the first authors investigating the …
[HTML][HTML] Buckling of quasi-perfect cylindrical shell under axial compression: a combined experimental and numerical investigation
Imperfections from manufacturing process can cause a scattered reduction of the load-
carrying capacity or buckling load of axially compressed cylindrical shell structures. To …
carrying capacity or buckling load of axially compressed cylindrical shell structures. To …
Buckling behaviors of thin-walled cylindrical shells under localized axial compression loads, Part 1: Experimental study
P Jiao, Z Chen, H Ma, P Ge, Y Gu, H Miao - Thin-Walled Structures, 2021 - Elsevier
Thin-walled cylindrical shell structure not only shows the highly efficient load carrying
capacity but also is vulnerable to buckling instability failure. In practical application, these …
capacity but also is vulnerable to buckling instability failure. In practical application, these …
Investigations on imperfection sensitivity and deduction of improved knock-down factors for unstiffened CFRP cylindrical shells
R Degenhardt, A Kling, A Bethge, J Orf, L Kärger… - Composite …, 2010 - Elsevier
In the field of aerospace engineering but also in the fields of civil and mechanical
engineering the industry demands for significantly reduced costs for development and …
engineering the industry demands for significantly reduced costs for development and …
[HTML][HTML] Experimental validation of cylindrical shells under axial compression for improved knockdown factors
For cylindrical shells under axial compression, the essence of initial geometric imperfections
is the superposition of local out-of-plane deformations of various forms, which may facilitate …
is the superposition of local out-of-plane deformations of various forms, which may facilitate …
Decision tree-based machine learning to optimize the laminate stacking of composite cylinders for maximum buckling load and minimum imperfection sensitivity
HNR Wagner, H Köke, S Dähne, S Niemann… - Composite …, 2019 - Elsevier
Launch-vehicle primary structures like cylindrical shells are increasingly being built as
monolithic composite and sandwich composite shells. These imperfection sensitive shells …
monolithic composite and sandwich composite shells. These imperfection sensitive shells …
Numerically and experimentally predicted knockdown factors for stiffened shells under axial compression
Stiffened shells in launch vehicles are very sensitive to various forms of imperfections. In this
study, the imperfection sensitivity of a 4.5 m diam isogrid stiffened shell under axial …
study, the imperfection sensitivity of a 4.5 m diam isogrid stiffened shell under axial …
Buckling of an imperfect spherical shell subjected to external pressure
This paper presents numerical results focusing on the buckling behaviour of externally
pressurised imperfect spherical shells. The numerical model followed the recommendations …
pressurised imperfect spherical shells. The numerical model followed the recommendations …