Topology optimization of multi-scale structures: a review

J Wu, O Sigmund, JP Groen - Structural and Multidisciplinary Optimization, 2021‏ - Springer
Multi-scale structures, as found in nature (eg, bone and bamboo), hold the promise of
achieving superior performance while being intrinsically lightweight, robust, and multi …

Current and future trends in topology optimization for additive manufacturing

J Liu, AT Gaynor, S Chen, Z Kang, K Suresh… - Structural and …, 2018‏ - Springer
Manufacturing-oriented topology optimization has been extensively studied the past two
decades, in particular for the conventional manufacturing methods, for example, machining …

Rational designs of mechanical metamaterials: Formulations, architectures, tessellations and prospects

J Gao, X Cao, M **ao, Z Yang, X Zhou, Y Li… - Materials Science and …, 2023‏ - Elsevier
Abstract Mechanical Metamaterials (MMs) are artificially designed structures with
extraordinary properties that are dependent on micro architectures and spatial tessellations …

Homogenization‐based topology optimization for high‐resolution manufacturable microstructures

JP Groen, O Sigmund - International Journal for Numerical …, 2018‏ - Wiley Online Library
This paper presents a projection method to obtain high‐resolution, manufacturable
structures from efficient and coarse‐scale homogenization‐based topology optimization …

Accelerating large-scale topology optimization: state-of-the-art and challenges

S Mukherjee, D Lu, B Raghavan, P Breitkopf… - … Methods in Engineering, 2021‏ - Springer
Large-scale structural topology optimization has always suffered from prohibitively high
computational costs that have till date hindered its widespread use in industrial design. The …

Design of manufacturable 3D extremal elastic microstructure

E Andreassen, BS Lazarov, O Sigmund - Mechanics of Materials, 2014‏ - Elsevier
We present a method to design manufacturable extremal elastic materials. Extremal
materials can possess interesting properties such as a negative Poisson's ratio. The …

Multiscale design and multiobjective optimization of orthopedic hip implants with functionally graded cellular material

S Arabnejad Khanoki, D Pasini - 2012‏ - asmedigitalcollection.asme.org
Revision surgeries of total hip arthroplasty are often caused by a deficient structural
compatibility of the implant. Two main culprits, among others, are bone-implant interface …

De-homogenization of optimal multi-scale 3D topologies

JP Groen, FC Stutz, N Aage, JA Bærentzen… - Computer Methods in …, 2020‏ - Elsevier
This paper presents a highly efficient method to obtain high-resolution, near-optimal 3D
topologies optimized for minimum compliance on a standard PC. Using an implicit geometry …

Graded multiscale topology optimization using neural networks

A Chandrasekhar, S Sridhara, K Suresh - Advances in Engineering …, 2023‏ - Elsevier
In this paper, we propose a novel graded multiscale topology optimization framework by
exploiting the unique classification capacity of neural networks. The salient features of this …

Topology optimisation of manufacturable microstructural details without length scale separation using a spectral coarse basis preconditioner

J Alexandersen, BS Lazarov - Computer Methods in Applied Mechanics …, 2015‏ - Elsevier
This paper applies topology optimisation to the design of structures with periodic and
layered microstructural details without length scale separation, ie considering the complete …