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首页> 外文期刊>Journal of Mechanical Science and Technology >Multi-objective structural optimization of a HAWT composite blade based on ultimate limit state analysis
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Multi-objective structural optimization of a HAWT composite blade based on ultimate limit state analysis

机译：基于极限状态分析的HAWT复合材料叶片多目标结构优化

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摘要

An extensively automated optimization procedure is presented for a horizontal axis wind turbine (HAWT) blade based on ultimate limit state analysis. Two composite materials named glass fiber reinforced plastic (GFRP) and carbon fiber reinforced plastic (CFRP) are applied with a multi-objective of blade cost and total mass. Laminate layer thickness, material type and orientation angle are tailored for the structural performance and subjected to three design constraints which are derived from analysis of ultimate strength, fatigue failure and critical deflection, respectively. Combining FEM analysis and an evolutionary algorithm, the proposed optimization process has dramatically reduced design cost and improved blade performance.
机译：基于极限状态分析，提出了针对水平轴风力涡轮机（HAWT）叶片的广泛自动化优化程序。应用了两种复合材料，分别是玻璃纤维增​​强塑料（GFRP）和碳纤维增强塑料（CFRP），以实现叶片成本和总质量的多重目标。层压板的厚度，材料类型和取向角是针对结构性能量身定制的，并受到三个设计约束，分别来自对极限强度，疲劳破坏和临界挠度的分析。结合有限元分析和进化算法，提出的优化过程大大降低了设计成本，提高了叶片性能。

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