基于LiToSim平台的海上风机过渡段优化软件开发

叶彦鹏; 顾水涛; 刘敏; 冯志强

doi:10.21656/1000-0887.410354

基于LiToSim平台的海上风机过渡段优化软件开发

doi: 10.21656/1000-0887.410354

¹重庆大学土木工程学院, 重庆 400044
²西南交通大学力学与工程学院, 成都 610031

基金项目: 国家科学自然基金(11772274)

详细信息

作者简介:
叶彦鹏(1995—)，男，硕士生(E-mail: 315107959@qq.com)；顾水涛(1979—)，男，教授(E-mail: gust@cqu.edu.cn)；刘敏(1987—)，男，副教授(E-mail: liu.min@cqu.edu.cn)；冯志强(1963—)，男，教授，博士生导师(通讯作者. E-mail: zhiqiang.feng@univ-evry.fr).

中图分类号: O39
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出版历程
- 收稿日期: 2020-11-21
- 修回日期: 2021-04-06
- 刊出日期: 2021-05-01

Optimization Software Development for Offshore Turbine Transition Structures Based on LiToSim

¹College of Civil Engineering, Chongqing University,Chongqing 400044, P.R.China
²School of Mechanics and Engineering, Southwest Jiaotong University,Chengdu 610031, P.R.China

Funds: The National Natural Science Foundation of China（11772274）

摘要

摘要: 针对海上风机过渡段结构，考虑风机多尺度优化模型和所受环境荷载采取极端情况下，引入双向渐进结构拓扑优化方法，以全局应力最小化为目标、体积为约束，对风机过渡段进行优化设计；并在自主研发的LiToSim平台基础上，嵌入风机优化数值计算程序，最终形成一款关于海上风机过渡段拓扑优化的定制化软件TUR/TOPT.借助定制化软件TUR/TOPT平台，对比过渡段传统柔度优化与应力优化结果，突显出应力优化在减材设计过程中结构应力明显降低且能有效避免应力集中等方面的优势；TUR/TOPT软件的生成在风机建设选型过程中具有重要指导价值.
- 风机过渡段 /
- 应力优化 /
- 双向渐进 /
- LiToSim平台 /
- TUR/TOPT软件
Abstract: The software development of stress-based topology optimization was addressed for the offshore turbine transition structure based on the self-developed LiToSim software platform. Firstly, the multi-scale model for the mixed beam and bulk elements was applied to the structural analysis of the wind turbine transition structure. Secondly, the extreme loads of the wind-wave coupling were taken into account. Thirdly, the stress-based topology optimization method was used for the design of the transition structure. Based on the self-developed LiToSim software platform, a customized software TUR/TOPT for the topology optimization of the transition structures of offshore wind turbines was formed. With TUR/TOPT, the traditional compliance optimization and stress-based optimization results of the transition structure were compared to show the advantages of stress-based optimization in reducing the structural stress during the material reduction design process and effectively avoiding stress concentration. The software TUR/TOPT provides important guiding value for the selection process of wind turbine construction.
- transition structure /
- stress optimization /
- bi-directional evolution /
- LiToSim platform /
- TUR/TOPT software

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参考文献(27)

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