Optimization and analysis on prestressed concrete-steel hybrid wind turbine tower

被引：0
|
作者：
Chen Y. [1 ]
Zhang Y. [2 ]
Lin C. [1 ]
Zhou J. [1 ]
机构：
[1] College of Civil and Transportation Engineering, Hohai University, Nanjing
[2] Reewind Energy(Wuhan)Engineering Technology Co., Ltd., Wuhan
来源：
Zhou, Jikai (zhoujikaihhu@hotmail.com) | 1600年 / Science Press卷 / 42期
关键词：
Finite element method; Hybrid structure; Particle swarm optimization(PSO); Sensitivity analysis; Structural optimization; Wind turbines;
D O I：
10.19912/j.0254-0096.tynxb.2018-1180
中图分类号：
学科分类号：
摘要：
The construction cost of hybrid wind turbine tower is one of the most important factors for structural design. In this paper, an optimization method based on the particle swarm optimization algorithm and finite element method, was proposed to minimize the cost by optimizing the segments and geometry of hybrid towers. The tower construction cost of towers of 2.5 MW wind turbine is taken as the optimal function, and the constraint conditions include strength, stiffness, stability, fatigue, overhead deformation and nature frequency. The results show that the most unfavorable combination of action effects should be the state where the first variable load is horizontal aerodynamic force in the condition of cut-out wind speed. The thickness of steel segment has the most important effect on construction cost, and the second is the height and thickness of concrete segment. Besides, the cost is lowest when the height of concrete segment occupies around 75% of the total height. © 2021, Solar Energy Periodical Office Co., Ltd. All right reserved.
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页码：121 / 127
页数：6
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