基于仿生观念的多层薄壁结构承载热防护一体化分析设计

曹小建; 王跃方; 王琦

doi:10.6052/j.issn.1000-4750.2013.12.1230

基于仿生观念的多层薄壁结构承载热防护一体化分析设计

曹小建¹,
王跃方^{1, 2,},
王琦¹

1.
大连理工大学工程力学系,辽宁,大连 116024;
2.
大连理工大学工业装备结构分析国家重点实验室,辽宁,大连 116024

基金项目: 国家自然科学基金重点项目(91216201)

详细信息

作者简介:
曹小建(1989-),女,湖南人,博士生,主要从事非线性动力学研究(E-mail: cxjdlut@mail.dlut.edu.cn); 王琦(1985-),女,辽宁人,硕士生,主要从事非线性动力学研究(E-mail: 408426733@qq.com).

通讯作者:
王跃方(1967-),男,北京人,教授,博士,博导,主要从事非线性动力学结构优化设计研究(E-mail: yfwang@dlut.edu.cn).

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出版历程
- 收稿日期: 2013-12-30
- 修回日期: 2014-07-06
- 刊出日期: 2015-07-24

INTEGRATED ANALYSIS AND DESIGN OF LOADING CAPACITY AND THERMAL PROTECTIONS OF MULTILAYER THIN-WALLED STRUCTURES BASED ON BIONICS

1.
Department of Engineering Mechanics, Dalian University of Technology, Dalian, Liaoning 116024, China;
2.
State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian, Liaoning 116024, China

摘要

摘要: 受仿生观念启发,通过对力学与传热性能的表征和优化分析,研究了多层薄壁结构的承载和热防护的一体化设计问题。以生活在印度洋底的蜗牛壳结构为原型,构造了分层薄壁结构受力和传热的概念性模型,开展了热防护和承载性能的表征与分析。通过三维气动加热算例和基于遗传算法的优化设计,验证了仿生结构具有最佳的材料参数的排布,是综合热防护和承载性能于一体的优越结构形式。
- 仿生 /
- 热防护 /
- 承载 /
- 一体化设计 /
- 优化 /
- 遗传算法
Abstract: The bionics-based integrated analysis and design is performed for loading capacity and thermal protection of multilayer thin-walled structures through mechanical computations and optimization. The prototype of the thin multilayer model is inspired by the shell of snails that live on the floor of Indian Ocean. The layering model considering force and heat transfer is created and analyzed for characteristics of thermal protection and loading capacity. Through an example of three dimensional aerodynamic heating and a structural optimization based on genetic algorithm, it is demonstrated that the bionics-inspired multilayer structure has the best distribution of materials, and can be adopted as a superior prototype for the design of thermal protection and loading capacity.
- bionics /
- thermal protection /
- loading capacity /
- integrated design /
- optimization /
- genetic algorithm

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