System-based approaches for structural optimization of flexible mechanisms

E Tromme, A Held, P Duysinx, O Brüls - Archives of Computational …, 2018 - Springer
This paper reviews the state-of-the-art methods to perform structural optimization of flexible
mechanisms. These methods are based on a system-based approach, ie the formulation of …

EBF3PanelOpt: An optimization framework for curvilinear blade-stiffened panels

SB Mulani, WCH Slemp, RK Kapania - Thin-Walled Structures, 2013 - Elsevier
A new framework, EBF3PanelOpt, is being developed for design and optimization of
complex, multifunctional, aircraft structural concepts like pressurized non-circular fuselage …

Design of stiffened panels for stress and buckling via topology optimization

S Chu, C Featherston, HA Kim - Structural and Multidisciplinary …, 2021 - Springer
This paper investigates the weight minimization of stiffened panels simultaneously
optimizing sizing, layout, and topology under stress and buckling constraints. An effective …

Application of a bi-level scheme including topology optimization to the design of an aircraft pylon

A Remouchamps, M Bruyneel, C Fleury… - Structural and …, 2011 - Springer
In this paper, topology optimization is used to design aircraft pylons. Original results for two
Airbus pylons are first presented. An innovative bi-level optimization scheme is then …

Optimization of composite structures with curved fiber trajectories

E Lemaire, S Zein, M Bruyneel - Composite Structures, 2015 - Elsevier
This paper presents a new approach to generate and optimize parallel fiber trajectories on
general non planar surfaces based on level-sets and the Fast Marching Method. Starting …

Simultaneous layout and topology optimization of curved stiffened panels

S Chu, S Townsend, C Featherston, HA Kim - AIAA Journal, 2021 - arc.aiaa.org
Simultaneous layout and topology optimization of stiffened panels is investigated in this
paper using a new level-set-based method. Specifically, plate elements are used to …

Numerical optimization applied to structure sizing at AIRBUS: a multi-step process

S Grihon, L Krog, D Bassir - International Journal for Simulation and …, 2009 - ijsmdo.org
Structure optimization at airframe level is mainly focused on sizing design variables detailing
the thin-walled properties of aircraft structures. Typical design variables are cross sectional …

Structural topology optimization with constraints on multi-fastener joint loads

JH Zhu, J Hou, WH Zhang, Y Li - Structural and multidisciplinary …, 2014 - Springer
This paper addresses an important problem of design constraints on fastener joint loads that
are well recognized in the design of assembled aircraft structures. To avoid the failure of …

Discussion on the optimization problem formulation of flexible components in multibody systems

E Tromme, O Brüls, J Emonds-Alt, M Bruyneel… - Structural and …, 2013 - Springer
This paper is dedicated to the structural optimization of flexible components in mechanical
systems modeled as multibody systems. While most of the structural optimization …

Multi-objective optimization of sandwich structures for reinforcing composite fuselages

AE Albanesi, NJ Volpe, F Langhi… - Journal of Sandwich …, 2024 - journals.sagepub.com
This study introduces a simulation-based optimization approach that combines a multi-
objective genetic algorithm and the finite element method to design sandwich structures to …