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...
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| Veröffentlicht in: | Structural and multidisciplinary optimization 2021-09, Vol.64 (3), p.1141-1160 |
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| container_title | Structural and multidisciplinary optimization |
| container_volume | 64 |
| creator | 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. |
| description | 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. |
| doi_str_mv | 10.1007/s00158-021-02905-3 |
| format | Article |
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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.</description><identifier>ISSN: 1615-147X</identifier><identifier>EISSN: 1615-1488</identifier><identifier>DOI: 10.1007/s00158-021-02905-3</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>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</subject><ispartof>Structural and multidisciplinary optimization, 2021-09, Vol.64 (3), p.1141-1160</ispartof><rights>Crown 2021</rights><rights>Crown 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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| 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 |
| title | Topology optimization of multi-material structures with elastoplastic strain hardening model |
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