OPTIMIZATION DESIGN OF MICRO PLY ANGLE FOR WIND TURBINES BLADE BASED ON DMO

Ma Zhikun; Sun Pengwen; Zhang Lanting; Wang Dong; Long Kai

doi:10.19912/j.0254-0096.tynxb.2020-0970

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (4) : 440-445. DOI: 10.19912/j.0254-0096.tynxb.2020-0970

Topics on Key Technologies for Safety of Electrochemical Energy Storage Systems and Echelon Utilization of Decommissioned Power Batteries

OPTIMIZATION DESIGN OF MICRO PLY ANGLE FOR WIND TURBINES BLADE BASED ON DMO

Ma Zhikun¹, Sun Pengwen, Zhang Lanting, Wang Dong⁴, Long Kai²

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Abstract

In order to further develop the design potential of ply parameters of composite layer, an optimization method of ply angle for wind turbine blade is proposed, which combines DMO method with genetic algorithm. The topology optimization mathematical model for micro ply angle of blade is established, which takes the element ply angle as design variable, the maximum stiffness as the objective function and the minimum stress as the constraint condition. Python language is used to write the algorithm program and solve the problem interacted with Abaqus software. Finally the optimized ply angle of each unit and layer are obtained. Taking 1.5 MW blade as an example, the maximum displacement and Tsai-Wu failure factor of optimized blade are reduced, and the properties are significantly improved. The effectiveness and feasibility of the method are verified.

Key words

topology optimization / mathematical model / wind turbine blades / ply angle / discrete material optimization

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Ma Zhikun, Sun Pengwen, Zhang Lanting, Wang Dong, Long Kai. OPTIMIZATION DESIGN OF MICRO PLY ANGLE FOR WIND TURBINES BLADE BASED ON DMO[J]. Acta Energiae Solaris Sinica. 2022, 43(4): 440-445 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0970

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