[HTML][HTML] An isogeometric framework for the optimal design of variable stiffness shells undergoing large deformations

FS Liguori, G Zucco, A Madeo, G Garcea… - International Journal of …, 2021 - Elsevier
The optimal design of the postbuckling response of variable angle tow composite structures
is an important consideration for future lightweight, high-performing structures. Based on this …

Buckling optimization of composite cylinders for axial compression: A design methodology considering a variable-axial fiber layout

JHS Almeida Jr, L Bittrich, E Jansen, V Tita… - Composite …, 2019 - Elsevier
Fiber steering is an outstanding capability for producing composite structures with spatially
tailored properties. The ability of tailoring the reinforcement arbitrarily in the space generates …

Isogeometric stability analysis of thin shells: From simple geometries to engineering models

Y Guo, H Do, M Ruess - International Journal for Numerical …, 2019 - Wiley Online Library
The buckling properties of thin‐walled structures are sensitive to different sources of
imperfections, among which the geometric imperfections are of paramount importance. This …

Post-buckling analysis of variable-angle tow composite plates using Koiter's approach and the finite element method

A Madeo, RMJ Groh, G Zucco, PM Weaver… - Thin-Walled …, 2017 - Elsevier
The design of lightweight structures is often driven by buckling phenomena. Increasing
demands for fuel-efficient aircraft structures makes post-buckled designs attractive from a …

Mixed shell element for static and buckling analysis of variable angle tow composite plates

G Zucco, RMJ Groh, A Madeo, PM Weaver - Composite Structures, 2016 - Elsevier
A mixed quadrilateral 3D finite element, obtained from the Hellinger–Reissner functional, is
presented for linear static and buckling analyses of variable-angle tow (VAT) composite …

Experimental, numerical and analytical study on axial compression buckling of chopped glass fibre-reinforced polymer cylindrical shells

RN Ghalghachi, H Showkati, SE Firouzsalari - Structures, 2023 - Elsevier
A series of experiments were carried out to investigate the buckling response of chopped
strand mat glass fibre-reinforced polyester (CSM-GFRP) cylindrical shells when subjected to …

Lightweight design of variable-stiffness cylinders with reduced imperfection sensitivity enabled by continuous tow shearing and machine learning

RR Dos Santos, SGP Castro - Materials, 2022 - mdpi.com
The present study investigates how to apply continuous tow shearing (CTS) in a
manufacturable design parameterization to obtain reduced imperfection sensitivity in …

[HTML][HTML] Displacement-based formulation of Koiter's method: Application to multi-modal post-buckling finite element analysis of plates

SGP Castro, EL Jansen - Thin-Walled Structures, 2021 - Elsevier
Koiter's asymptotic method enables the calculation and deep understanding of the initial
post-buckling behaviour of thin-walled structures. For the single-mode asymptotic analysis …

The role of symmetry in the post-buckling behaviour of structures

G Zucco, PM Weaver - Proceedings of the Royal Society …, 2020 - royalsocietypublishing.org
Symmetry plays an integral role in the post-buckling analysis of elastic structures. We show
that the post-buckling response of engineering systems with given symmetry properties can …

Incomplete reduced stiffness method for imperfection sensitivity of cylindrical shells

X Ma, P Hao, F Wang, B Wang - Thin-Walled Structures, 2020 - Elsevier
Cylindrical shells are commonly used in the industry structures, and they are prone to
buckling under axial compression load. However, the practical critical loads are often lower …