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 …

Topology optimization of finite strain elastoplastic materials using continuous adjoint method: Formulation, implementation, and applications

J Han, K Furuta, T Kondoh, S Nishiwaki… - Computer Methods in …, 2024 - Elsevier
This study presents a unified formulation of topology optimization for finite strain
elastoplastic materials. As the primal problem to describe the elastoplastic behavior, we …

Finite strain topology optimization with nonlinear stability constraints

G Zhang, K Khandelwal, T Guo - Computer Methods in Applied Mechanics …, 2023 - Elsevier
This paper proposes a computational framework for the design optimization of stable
structures under large deformations by incorporating nonlinear buckling constraints. A novel …

Computational design of finite strain auxetic metamaterials via topology optimization and nonlinear homogenization

G Zhang, K Khandelwal - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
A novel computational framework for designing metamaterials with negative Poisson's ratio
over a large strain range is presented in this work by combining the density-based topology …

Topology optimization of energy absorbing structures with maximum damage constraint

L Li, G Zhang, K Khandelwal - International Journal for …, 2017 - Wiley Online Library
A novel density‐based topology optimization framework for plastic energy absorbing
structural designs with maximum damage constraint is proposed. This framework enables …

A novel elastoplastic topology optimization formulation for enhanced failure resistance via local ductile failure constraints and linear buckling analysis

JB Russ, H Waisman - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
A new formulation is proposed for incorporating local ductile failure constraints and buckling
resistance into elastoplastic structural design in the context of extreme loading. Many strides …

A unified framework for nonlinear path‐dependent sensitivity analysis in topology optimization

R Alberdi, G Zhang, L Li… - International Journal for …, 2018 - Wiley Online Library
An adjoint sensitivity analysis framework to evaluate path‐dependent design sensitivities for
problems involving inelastic materials and dynamic effects is presented and shown in the …

Design of fracture resistant energy absorbing structures using elastoplastic topology optimization

L Li, K Khandelwal - Structural and Multidisciplinary Optimization, 2017 - Springer
This paper introduces a novel elastoplastic topology optimization method for fracture
resistant energy absorbing structural designs. The target is to find the optimal structural …

Effect of stiffness anisotropy on topology optimisation of additively manufactured structures

LNS Chiu, B Rolfe, X Wu, W Yan - Engineering Structures, 2018 - Elsevier
Additive manufacturing has been receiving attention as it is capable of producing complex
geometries previously unmanufacturable, particularly those resulting from topology …