Stress-constrained topology optimization of geometrically nonlinear continuum structures by using parallel computing strategy

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成果类型：

期刊论文

作者：

Zhao, Lei;Zheng, Jiaxin;Cai, Jinhu;Hu, Jiayi;Han, Yan;...

通讯作者：

Rong, JH

作者机构：

[Hu, Jiayi; Zhao, Lei; Zheng, Jiaxin; Han, Yan] Changsha Univ Sci & Technol, Key Lab Safety Control Bridge Engn, Minist Educ, Changsha 410114, Hunan, Peoples R China.

[Hu, Jiayi; Zhao, Lei; Zheng, Jiaxin; Han, Yan] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410076, Hunan, Peoples R China.

[Rong, Jianhua; Cai, Jinhu] Changsha Univ Sci & Technol, Sch Automot & Mech Engn, Changsha 410076, Hunan, Peoples R China.

通讯机构：

[Rong, JH ] C

Changsha Univ Sci & Technol, Sch Automot & Mech Engn, Changsha 410076, Hunan, Peoples R China.

语种：

英文

关键词：

Topology optimization;Geometrical nonlinearity;Hybrid stress finite element;Stress constraint;Parallel computing;Sparse matrix-vector multiplication

期刊：

Advances in Engineering Software

ISSN：

0965-9978

年：

2025

卷：

199

页码：

103805

DOI：

10.1016/j.advengsoft.2024.103805

基金类别：

National Natural Science Foundation of China [12102066, 12172065]; Natural Science Foundation of Hunan Province China [2022JJ40465, 2023JJ70028]; Open Fund of Key Laboratory of Safety Control of Bridge Engineering, Ministry of Education (Changsha University of Science Technology) [21KB08]; Cooperation Research Project of China Construction Fifth Engineering Division Corp [2019RG088]; Science and Technology Research Project of Jiangxi Provincial Department of Education [GJJ2201720]

机构署名：

本校为第一且通讯机构

院系归属：

汽车与机械工程学院

土木工程学院

摘要：

Stress-constrained topology optimization under geometrical nonlinear conditions is still an open topic as it often encounter difficulties such as mesh distortion, inaccurate stress evaluation and low computational efficiency. For this purpose, this paper develops a novel parallel-computing based topology optimization methodology for geometrically nonlinear continuum structures with stress constraints. To alleviate the mesh distortions in the low-density regions, a smooth material interpolation scheme from with different penalization for the elastic and nonlinear stiffness is proposed. Moreover...

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Stress-constrained topology optimization of geometrically nonlinear continuum structures by using parallel computing strategy

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