Optimization Software Development for Offshore Turbine Transition Structures Based on LiToSim

YE Yanpeng; GU Shuitao; LIU Min; FENG Zhiqiang

doi:10.21656/1000-0887.410354

Volume 42 Issue 5

May 2021

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Article Navigation > Applied Mathematics and Mechanics > 2021 > 42(5): 441-451

YE Yanpeng, GU Shuitao, LIU Min, FENG Zhiqiang. Optimization Software Development for Offshore Turbine Transition Structures Based on LiToSim[J]. Applied Mathematics and Mechanics, 2021, 42(5): 441-451. doi: 10.21656/1000-0887.410354

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Optimization Software Development for Offshore Turbine Transition Structures Based on LiToSim

doi: 10.21656/1000-0887.410354

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）

Received Date: 2020-11-21
Rev Recd Date: 2021-04-06
Publish Date: 2021-05-01

Abstract

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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References(27)

References

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