Aerostructural tradeoffs for tow-steered composite wings

TR Brooks, JRRA Martins, GJ Kennedy - Journal of Aircraft, 2020 - arc.aiaa.org
The adoption of conventional “black metal” composites in aircraft structures has lead to an
improvement in performance over previous metallic designs. With the maturation of …

Non-Conventional Wing Structure Design with Lattice Infilled through Design for Additive Manufacturing

N Khan, V Acanfora, A Riccio - Materials, 2024 - mdpi.com
Lightweight structures with a high stiffness-to-weight ratio always play a significant role in
weight reduction in the aerospace sector. The exploration of non-conventional structures for …

Topology optimization method for local relative displacement difference minimization considering stress constraint

J Gu, T Gui, Q Yuan, J Qu, Y Wang - Engineering Structures, 2024 - Elsevier
Specific structures that demand to maintain the shape of a local region under external loads,
such as the injection surfaces of injection molded machine formwork structures, the outer …

Free vibration analysis of curvilinearly stiffened composite plates with an arbitrarily shaped cutout using isogeometric analysis

B Devarajan - arXiv preprint arXiv:2104.12856, 2021 - arxiv.org
This paper focuses on the isogeometric vibration analysis of curvilinearly stiffened
composite panels. The stiffness matrices and the mass matrices are derived using the first …

[PDF][PDF] On the influence of load introduction method on wingbox optimization with nonlinear structural stability constraints

FMA Mitrotta, A Pirrera, T Macquart… - … on Aeroelasticity and …, 2024 - researchgate.net
The aviation industry's challenge to achieve net-zero carbon emissions by 2050 demands
innovative approaches to aircraft design, particularly through the development of lighter …

Rapid design generation and multifidelity analysis of aircraft structures

V Gandhi, J Joe, JF Dannenhoffer, H Dalir - Aerospace Science and …, 2021 - Elsevier
There is a huge demand for automation in geometry creation within aerospace industry for
multidisciplinary design optimization. Currently, every model is being built independently for …

Deep convolutional neural network for shape optimization using level-set approach

W Mallik, N Farvolden, J Jelovica… - arXiv preprint arXiv …, 2022 - arxiv.org
This article presents a reduced-order modeling methodology via deep convolutional neural
networks (CNNs) for shape optimization applications. The CNN provides a nonlinear …

[PDF][PDF] Proof of concept of a Nonlinear Structural Stability Constraint for Aeroelastic Optimization

FMA Mitrotta, A Pirrera, M Terence… - The Aeronautical …, 2023 - researchgate.net
Over the past 50 years much effort has been placed on developing aircraft structures that
minimize fuel burn, to enhance performance and reduce emissions. Aeroelastic …

Algorithms for 2d mesh decomposition in distributed design optimization

S De, RK Kapania - arXiv preprint arXiv:2002.00525, 2020 - arxiv.org
Optimization of thin-walled structures like an aircraft wing, aircraft fuselage or submarine hull
often involves dividing the shell surface into numerous localized panels, each characterized …

Optimizing Structural Integrity of Fighter Aircraft Wing Stations: a Finite Element Analysis Approach

AH Bhutta - Ingenius, 2024 - revistas.ups.edu.ec
Modern fighter aircraft are equipped with multiple stations on the fuselage and under the
wings to accommodate various external stores, both jettisonable and non-jettisonable. Each …