Bridging topology optimization and additive manufacturing

T Zegard, GH Paulino - Structural and Multidisciplinary Optimization, 2016 - Springer
Topology optimization is a technique that allows for increasingly efficient designs with
minimal a priori decisions. Because of the complexity and intricacy of the solutions obtained …

Nonlinear mechanics of non-rigid origami: an efficient computational approach

K Liu, GH Paulino - Proceedings of the Royal Society A …, 2017 - royalsocietypublishing.org
Origami-inspired designs possess attractive applications to science and engineering (eg
deployable, self-assembling, adaptable systems). The special geometric arrangement of …

Mechanical hierarchy in the formation and modulation of cortical folding patterns

P Chavoshnejad, L Vallejo, S Zhang, Y Guo, W Dai… - Scientific Reports, 2023 - nature.com
The important mechanical parameters and their hierarchy in the growth and folding of the
human brain have not been thoroughly understood. In this study, we developed a multiscale …

Multi-material topology optimization with multiple volume constraints: a general approach applied to ground structures with material nonlinearity

XS Zhang, GH Paulino, AS Ramos - Structural and Multidisciplinary …, 2018 - Springer
Multi-material topology optimization is a practical tool that allows for improved structural
designs. However, most studies are presented in the context of continuum topology …

Adaptive multi-material topology optimization with hyperelastic materials under large deformations: A virtual element approach

XS Zhang, H Chi, GH Paulino - Computer Methods in Applied Mechanics …, 2020 - Elsevier
We introduce a general multi-material topology optimization framework for large deformation
problems that effectively handles an arbitrary number of candidate hyperelastic materials …

A new data-driven topology optimization framework for structural optimization

Y Zhou, H Zhan, W Zhang, J Zhu, J Bai, Q Wang… - Computers & …, 2020 - Elsevier
The application of structural topology optimization with complex engineering materials is
largely hindered due to the complexity in phenomenological or physical constitutive …

Isogeometric sizing and shape optimization of 3D beams and lattice structures at large deformations

O Weeger - Structural and Multidisciplinary Optimization, 2022 - Springer
A computational method for optimizing the shape of the centerline curve and the spatial
variation of geometric and material sizing parameters of the cross-sections of elastic, 3 …

Nonlinear behavior and instabilities of a hyperelastic von Mises truss

FM Fonseca, PB Gonçalves - International Journal of Non-Linear …, 2022 - Elsevier
Recent decades have witnessed a renewed interest in the field of structural stability due to
new applications involving smart and deployable structures, micro-and nanocomponents …

Material nonlinear topology optimization using the ground structure method with a discrete filtering scheme

X Zhang, AS Ramos, GH Paulino - Structural and Multidisciplinary …, 2017 - Springer
Topology optimization of truss lattices, using the ground structure method, is a practical
engineering tool that allows for improved structural designs. However, in general, the final …

Limitations of the St. Venant–Kirchhoff material model in large strain regimes

KB Sautter, M Meßmer, T Teschemacher… - International Journal of …, 2022 - Elsevier
Abstract The St. Venant–Kirchhoff law is a widely used constitutive relation in engineering
applications. However, its limitation to small strains is frequently mentioned in the literature …