Topology optimization of multi-material structures with elastoplastic strain hardening model

The paper presents a new multi-material topology optimization method with a novel adjoint sensitivity analysis that can accommodate not only multiple plasticity but also multiple hardening models for individual materials in composite structures. Based on the proposed method, an integrated framework...

Full description

Saved in:
Bibliographic Details
Published in:Structural and multidisciplinary optimization 2021-09, Vol.64 (3), p.1141-1160
Main Authors: Li, Mengxiao, Deng, Yu, Zhang, Hexin, Wong, Simon H. F., Mohamed, Ahmed, Zheng, Yu, Gao, Jiaxiang, Yuen, Terry Y. P., Dong, Biqin, Kuang, J. S.
Format: Article
Language:English
Subjects:
Composite structures
Computational Mathematics and Numerical Analysis
Elastoplasticity
Engineering
Engineering Design
Finite element method
Mathematical models
Optimization
Plastic properties
Research Paper
Sensitivity analysis
Strain hardening
Theoretical and Applied Mechanics
Topology optimization
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The paper presents a new multi-material topology optimization method with a novel adjoint sensitivity analysis that can accommodate not only multiple plasticity but also multiple hardening models for individual materials in composite structures. Based on the proposed method, an integrated framework is developed which details the nonlinear finite element analysis, sensitivity analysis and optimization procedure. The proposed method and framework are implemented and illustrated by three numerical examples presented in this paper. An in-depth analysis of the numerical results has revealed the significant impact of the selection of plasticity and hardening model on the results of topology.
ISSN:1615-147X
1615-1488
DOI:10.1007/s00158-021-02905-3