Design of fiber-reinforced variable-stiffness composites for different open-hole geometries with fiber continuity and curvature constraints

T Shafighfard, E Demir, M Yildiz - Composite Structures, 2019 - Elsevier
In this study, the optimum design of fiber-reinforced composite plates with different hole
geometries for various load conditions is investigated. Strain energy/compliance is …

Buckling optimization of variable-stiffness composite panels based on flow field function

P Hao, C Liu, X Yuan, B Wang, G Li, T Zhu, F Niu - Composite Structures, 2017 - Elsevier
Due to the non-uniform in-plane stress distribution, variable-stiffness panel with curvilinear
fiber paths is a promising structural concept for cutout reinforcement of composite structures …

Tensile properties and failure mechanism of 3D woven composites containing holes of different geometries

Q Guo, Y Zhang, D Li, M Li, X Sun, L Chen - Thin-Walled Structures, 2021 - Elsevier
The open-hole tension (OHT) properties and failure processes of three-dimensional (3D)
woven composite plates with circular, racetrack, and square holes were investigated in this …

Effect of reinforced cutouts and ply-orientations on buckling behavior of composite panels subjected to non-uniform edge loads

T Rajanna, S Banerjee, YM Desai… - International Journal of …, 2018 - World Scientific
Buckling loads of laminated panels calculated by analytical approaches are usually based
on the assumptions that the panels are subjected to uniform in-plane edge loads without …

Investigations on crush behavior and energy absorption characteristics of GFRP composite conical frusta with a cutout under axial compression loading

M Kathiresan, K Manisekar, V Rajamohan… - … of Advanced Materials …, 2022 - Taylor & Francis
The changes in energy-absorption and deformation characteristics of thin-walled E-glass
fiber reinforced composite conical frusta upon introduction cutouts were studied through …

Integrated design method of marine C/GFRP hat-stiffened panels towards ultimate strength optimisation

B Liu, L Zhang, A Liu, CG Soares - Ocean Engineering, 2025 - Elsevier
Glass fibre-reinforced polymer (GFRP) hat-stiffened panels have been widely used in high-
speed vessels. Using carbon fibre-reinforced polymer (CFRP) as hybrid composites can …

An innovative modeling strategy for flexural response of fiber-reinforced stiffened composite structures

A Islam, AH Sheikh, T Bennett, OT Thomsen - Thin-Walled Structures, 2022 - Elsevier
The use of composite stiffened panels is common in a large variety of engineering
structures. An advanced computational model is developed to accurately predict the …

[HTML][HTML] Buckling performance evaluation of double-double laminates with cutouts using artificial neural network and genetic algorithm

R Ju, K Zhao, CA Featherston, X Liu - Materials, 2024 - mdpi.com
Although the double-double (DD) laminates proposed by Tsai provide a promising option for
achieving better structural performance with lower manufacturing and maintenance costs …

[HTML][HTML] Influence of local stiffeners and cutout shapes on the vibration and stability characteristics of quasi-isotropic laminates under hygro-thermo-mechanical …

T Rajanna, KSS Chandra, KV Rao - Defence Technology, 2022 - Elsevier
Abstracts The perforated stiffened panel is generally found as a sub-component of
sophisticated structures. The fundamental purpose of this panel is to withstand against …

Finite element-based stochastic nonlinear progressive failure response of piezo-laminated composite plate with elliptical cutouts

A Lal, R Kumar - International Journal of Applied Mechanics, 2019 - World Scientific
This paper presents the second-order statistics of hygro-thermo-electrically-induced
progressive failure in terms of first-ply failure load (FPFL) and last-ply failure load (LPFL) …