Topology optimization for architected materials design

M Osanov, JK Guest - Annual Review of Materials Research, 2016 - annualreviews.org
Advanced manufacturing processes provide a tremendous opportunity to fabricate materials
with precisely defined architectures. To fully leverage these capabilities, however, materials …

Digital twins: state-of-the-art and future directions for modeling and simulation in engineering dynamics applications

DJ Wagg, K Worden… - … -ASME Journal of …, 2020 - asmedigitalcollection.asme.org
This paper presents a review of the state of the art for digital twins in the application domain
of engineering dynamics. The focus on applications in dynamics is because:(i) they offer …

Length scale and manufacturability in density-based topology optimization

BS Lazarov, F Wang, O Sigmund - Archive of Applied Mechanics, 2016 - Springer
Since its original introduction in structural design, density-based topology optimization has
been applied to a number of other fields such as microelectromechanical systems …

[HTML][HTML] Exploiting additive manufacturing infill in topology optimization for improved buckling load

A Clausen, N Aage, O Sigmund - Engineering, 2016 - Elsevier
Additive manufacturing (AM) permits the fabrication of functionally optimized components
with high geometrical complexity. The opportunity of using porous infill as an integrated part …

New hybrid reliability-based topology optimization method combining fuzzy and probabilistic models for handling epistemic and aleatory uncertainties

Z Meng, Y Pang, Y Pu, X Wang - Computer Methods in Applied Mechanics …, 2020 - Elsevier
This study presents a hybrid reliability-based topology optimization (RBTO) method for
handling epistemic and aleatory uncertainties. First, we establish a new triple-nested RBTO …

Buckling strength topology optimization of 2D periodic materials based on linearized bifurcation analysis

CR Thomsen, F Wang, O Sigmund - Computer Methods in Applied …, 2018 - Elsevier
Low density cellular materials may offer excellent mechanical properties and find wide
applicability in lightweight design and infill structures for additive manufacturing, yet …

Topology optimization under uncertainty via non-intrusive polynomial chaos expansion

V Keshavarzzadeh, F Fernandez… - Computer Methods in …, 2017 - Elsevier
This paper presents a systematic approach for topology optimization under uncertainty that
integrates non-intrusive polynomial chaos expansion with design sensitivity analysis for …

A smooth maximum regularization approach for robust topology optimization in the ground structure setting

E Alcazar, LF Oliveira, F Vasconcelos Senhora… - Structural and …, 2024 - Springer
A robust ground structure topology optimization framework is presented to handle the
uncertainty of load direction and design for the worst case compliance scenario. The …

Topology optimization of imperfect lattice materials built with process-induced defects via powder bed fusion

A Moussa, D Melancon, A El Elmi, D Pasini - Additive Manufacturing, 2021 - Elsevier
Lattice materials built via additive manufacturing feature process-induced defects that impact
their mechanical properties and optimum design. This work presents a methodology to …

Robust shape and topology optimization considering geometric uncertainties with stochastic level set perturbation

W Zhang, Z Kang - International Journal for Numerical Methods …, 2017 - Wiley Online Library
When geometric uncertainties arising from manufacturing errors are comparable with the
characteristic length or the product responses are sensitive to such uncertainties, the …