Structural design optimization using isogeometric analysis: a comprehensive review

Y Wang, Z Wang, Z Xia, LH Poh - Computer Modeling in …, 2018 - ingentaconnect.com
Isogeometric analysis (IGA), an approach that integrates CAE into conventional CAD design
tools, has been used in structural optimization for 10 years, with plenty of excellent research …

Isogeometric shape optimization of missing rib auxetics with prescribed negative Poisson's ratio over large strains using genetic algorithm

DK Pokkalla, LH Poh, ST Quek - International Journal of Mechanical …, 2021 - Elsevier
This paper presents an isogeometric shape optimization framework using genetic algorithm
to design 2D auxetic structures with prescribed Poisson's ratio over large tensile or …

Streamline stiffener path optimization (SSPO) for embedded stiffener layout design of non-uniform curved grid-stiffened composite (NCGC) structures

D Wang, MM Abdalla, ZP Wang, Z Su - Computer Methods in Applied …, 2019 - Elsevier
A bio-inspired concept of non-uniform curved grid-stiffened composite structures with
embedded stiffeners (embedded NCGCs) is proposed in the paper. Shallow curved …

Isogeometric shape optimization of smoothed petal auxetic structures via computational periodic homogenization

ZP Wang, LH Poh, J Dirrenberger, Y Zhu… - Computer Methods in …, 2017 - Elsevier
An important feature that drives the auxetic behaviour of the star-shaped auxetic structures is
the hinge-functional connection at the vertex connections. This feature poses a great …

基于等几何分析的结构优化设计研究进展

刘宏亮, 祝雪峰, 杨迪雄 - 固体力学学报, 2018 - pubs.cstam.org.cn
结构等几何分析是计算固体力学领域一种新兴的数值方法, 致力于将CAD (计算机辅助设计)
和CAE (计算机辅助工程) 纳入到统一的数学表达框架. 等几何分析紧密联系几何信息 …

M-VCUT level set method for optimizing cellular structures

H Liu, H Zong, T Shi, Q Xia - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
This paper presents a multiple variable cutting (M-VCUT) level set method for the topology
optimization of cellular structures. This method first divides the reference design domain into …

Isogeometric sizing and shape optimization of thin structures with a solid-shell approach

T Hirschler, R Bouclier, A Duval, T Elguedj… - Structural and …, 2019 - Springer
This work explores the use of solid-shell elements in the the framework of isogeometric
shape optimization of shells. The main difference of these elements with respect to pure …

Optimal form and size characterization of planar isotropic petal-shaped auxetics with tunable effective properties using IGA

ZP Wang, LH Poh - Composite Structures, 2018 - Elsevier
Focusing on planar isotropic petal-shaped auxetics, an isogeometric design framework is
presented to achieve tunable effective properties. Specifically, the design framework …

Isogeometric shape optimization of an acoustic horn using the teaching-learning-based optimization (TLBO) algorithm

VK Ummidivarapu, HK Voruganti, T Khajah… - … Aided Geometric Design, 2020 - Elsevier
Isogeometric shape optimization has been receiving great attention due to its advantages of
exact geometry representation and smooth representation of the boundaries. In the present …

[HTML][HTML] Geometrically nonlinear design of compliant mechanisms: Topology and shape optimization with stress and curvature constraints

G Stankiewicz, C Dev, P Steinmann - Computer Methods in Applied …, 2022 - Elsevier
In this work, we exploit a sequential topology and shape optimization framework to design
compliant mechanisms. We pay particular attention to a refined and exact design of flexure …