Analysis and optimization of thermoelastic structures with tension–compression asymmetry

被引：1

作者：

Du, Zongliang ^{[1
,2
]}

Jia, Yibo ^{[1
]}

Chung, Hayoung ^{[3
]}

Zhang, Yupeng ^{[4
]}

Li, Yuan ^{[5
,6
]}

Zhou, Hao ^{[7
]}

Guo, Xu ^{[1
,2
]}

机构：

[1] State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian,116023, China

[2] Ningbo Institute of Dalian University of Technology, Ningbo,315016, China

[3] Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan,44919, Korea, Republic of

[4] Innovation & Research Institute of Hiwing Technology Academy, Beijing,100074, China

[5] Xi'an Jiaotong University, Xi'an,710049, China

[6] Dongfang Electric Wind Power Co. LTD, Deyang,618000, China

[7] Beijing Institute of Spacecraft System Engineering, China Academy of Space Technology, Beijing,100094, China

来源：

International Journal of Solids and Structures | 2022年 / 254-255卷

基金：

中国国家自然科学基金; 新加坡国家研究基金会;

关键词：

Biological materials - Numerical methods - Structural optimization - Thermoelasticity - Topology;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Many engineering and biological materials have been found to have tension–compression asymmetry properties. An extension of the linear thermoelastic behavior called a bi-modulus constitutive model is proposed to study the impact of thermo-mechanical coupling in such materials and structures. The well-posedness of the corresponding bi-modulus thermoelasticity problems is confirmed via a variational approach. An efficient numerical analysis method is developed for such nontrivial material behavior and is further employed for structural topology optimization. The importance of the proposed analysis and design framework is demonstrated by the significant impact of the tension–compression asymmetry and thermal effect on structural responses and optimum structural configurations. © 2022 Elsevier Ltd

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