[HTML][HTML] Reliability-based buckling optimization with an accelerated Kriging metamodel for filament-wound variable angle tow composite cylinders
A reliability-based optimization framework is introduced and used to design filament-wound
cylindrical shells with variable angle tow. Seven design cases are investigated to enable a …
cylindrical shells with variable angle tow. Seven design cases are investigated to enable a …
Postbuckling optimisation of a variable angle tow composite wingbox using a multi-modal Koiter approach
The stiffness-tailoring capability of Variable Angle Tow (VAT) laminates gives enhanced
freedom to design thin-walled structures. One key advantage of tow steering is the ability to …
freedom to design thin-walled structures. One key advantage of tow steering is the ability to …
[HTML][HTML] An isogeometric framework for the optimal design of variable stiffness shells undergoing large deformations
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 …
is an important consideration for future lightweight, high-performing structures. Based on this …
Advantages of the mixed format in geometrically nonlinear analysis of beams and shells using solid finite elements
D Magisano, L Leonetti… - International Journal for …, 2017 - Wiley Online Library
The paper deals with two main advantages in the analysis of slender elastic structures both
achieved through the mixed (stress and displacement) format with respect to the more …
achieved through the mixed (stress and displacement) format with respect to the more …
A corotational mixed flat shell finite element for the efficient geometrically nonlinear analysis of laminated composite structures
A corotational flat shell element for the geometrically nonlinear analysis of laminated
composite structures is presented. The element is obtained from the Hellinger–Reissner …
composite structures is presented. The element is obtained from the Hellinger–Reissner …
Buckling and limit states of thin-walled composite columns under eccentric load
H Debski, P Rozylo, A Teter - Thin-Walled Structures, 2020 - Elsevier
The objective of this study was to investigate the influence of eccentric compressive load on
the buckling, post-buckling and load-carrying capacity of thin-walled top-hat cross-section …
the buckling, post-buckling and load-carrying capacity of thin-walled top-hat cross-section …
Accurate and efficient a posteriori account of geometrical imperfections in Koiter finite element analysis
The Koiter method recovers the equilibrium path of an elastic structure using a reduced
model, obtained by means of a quadratic asymptotic expansion of the finite element model …
model, obtained by means of a quadratic asymptotic expansion of the finite element model …
Post-buckling optimisation strategy of imperfection sensitive composite shells using Koiter method and Monte Carlo simulation
A numerical stochastic strategy for optimising composite elastic shells undergoing buckling
is presented. Its scope is to search for the best stacking sequence that maximises the …
is presented. Its scope is to search for the best stacking sequence that maximises the …
An isogeometric formulation of the Koiter's theory for buckling and initial post-buckling analysis of composite shells
Numerical formulations of the Koiter theory allow the efficient prediction, through a reduced
model, of the behavior of shell structures when failure is dominated by buckling. In this work …
model, of the behavior of shell structures when failure is dominated by buckling. In this work …
A dual decomposition of the closest point projection in incremental elasto‐plasticity using a mixed shell finite element
Mixed assumed stress finite elements (FEs) have shown good advantages over traditional
displacement‐based formulations in various contexts. However, their use in incremental …
displacement‐based formulations in various contexts. However, their use in incremental …