[HTML][HTML] Dynamic analysis of prestressed variable stiffness composite shell structures

G Sciascia, V Oliveri, PM Weaver - Thin-Walled Structures, 2022 - Elsevier
The design space for high-performance lightweight composite structures has grown
considerably since the advent of the variable stiffness concept. In fact, variable stiffness …

Stiffness enhancement methods for thin-walled aircraft structures: A review

R Ren, X Ma, H Yue, F Yang, Y Lu - Thin-Walled Structures, 2024 - Elsevier
The rapid development of next-generation spacecraft technology has placed increasingly
stringent requirements on the lightweight level of structural components. As a result, many …

Effect of eccentrically oblique stiffeners and temperature on the nonlinear static and dynamic response of S-FGM cylindrical panels

ND Duc, SE Kim, DT Manh, PD Nguyen - Thin-Walled Structures, 2020 - Elsevier
This work aims to study the effect of obique stiffeners on the nonlinear static and dynamic
buckling behaviors of S-FGM cylindrical panels based on the classical shell theory (CST) …

Buckling analysis and optimization of variable angle tow composite plates via Ritz method and variable stiffness optimization

Z Jing, S Wang, L Duan, B Li, X Fan - Computers & Structures, 2023 - Elsevier
A novel variable stiffness optimization (VSO) algorithm is proposed accounting for the
inherent mechanical characteristics of variable angle tow (VAT) plates. Through sampling in …

Investigation of buckling characteristics of cracked variable stiffness composite plates by an eXtended Ritz approach

A Milazzo, V Oliveri - Thin-Walled Structures, 2021 - Elsevier
Abstract Variable Angle Tow (VAT) composite plates are characterized by in-plane variable
stiffness properties, which opens to new concepts of stiffness tailoring and optimization to …

Buckling and post-buckling analysis of composite stiffened panels: A ten-year review (2014-2023)

G Zhang, Y Hu, B Yan, M Tong, F Wang - Thin-Walled Structures, 2024 - Elsevier
Composite stiffened panels, known for lightweight, high load-bearing efficiency, and low
cost, are commonly used in aerospace structures. These panels are subjected to various …

Accurate multilayered shell buckling analysis via the implicit-mesh discontinuous Galerkin method

G Guarino, V Gulizzi, A Milazzo - AIAA Journal, 2022 - arc.aiaa.org
A novel formulation for the linear buckling analysis of multilayered shells is presented. High-
order equivalent-single-layer shell theories based on the through-the-thickness expansion …

Nonlinear buckling and post-buckling of eccentrically oblique stiffened sandwich functionally graded double curved shallow shells

TQ Quan, NH Cuong, ND Duc - Aerospace Science and Technology, 2019 - Elsevier
This paper aims to investigate the nonlinear buckling and post-buckling of eccentrically
oblique stiffened sandwich functionally graded double curved shallow shells resting on …

Free vibration analysis of three-dimensional solids with arbitrary geometries using discrete Ritz method

Z Jing, L Duan - Journal of Sound and Vibration, 2024 - Elsevier
A numerical method, discrete Ritz method (DRM), is proposed for the free vibration analysis
of three-dimensional (3D) solids with arbitrary geometries. The problem is formulated within …

Maximum buckling load of stiffened laminated composite panel by an improved hybrid PSO-GA optimization technique

S Moradi, AR Vosoughi, N Anjabin - Thin-Walled Structures, 2021 - Elsevier
A new strategy is proposed to find optimal fibers orientation of stiffened laminated composite
panels to reach their maximum buckling load. To do so, buckling analysis of laminated …