OPTIMIZATION OF WIND TURBINE BLADE BEAM CAP LAYUP BASED ON GRID SEARCH METHOD

Kou Haixia; Zhao Haibo; Wei Kongyuan; Yang Bowen

doi:10.19912/j.0254-0096.tynxb.2024-0774

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (9) : 84-90. DOI: 10.19912/j.0254-0096.tynxb.2024-0774

OPTIMIZATION OF WIND TURBINE BLADE BEAM CAP LAYUP BASED ON GRID SEARCH METHOD

Kou Haixia¹, Zhao Haibo¹, Wei Kongyuan², Yang Bowen¹

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Abstract

A 5 MW composite wind turbine blade was taken as the research subject. Typical load conditions such as gravity, centrifugal force, and aerodynamic force were fully taken into account. Based on the grid search method and combined with the classical laminated plate theory, we aimed to optimize the layering ratio and sequence of the composite laminated layer of the upper and lower beam caps of the main beam. By focusing on maximizing stress reduction and increasing bending stiffness, we were able to determine the optimal layering scheme for the beam cap. The results demonstrated a significant decrease in maximum stress and an increase in bending stiffness for the optimized blade main beam under the same load condition.

Key words

composite materials / wind turbine blades / structural optimization / layering parameter / grid search

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Kou Haixia, Zhao Haibo, Wei Kongyuan, Yang Bowen. OPTIMIZATION OF WIND TURBINE BLADE BEAM CAP LAYUP BASED ON GRID SEARCH METHOD[J]. Acta Energiae Solaris Sinica. 2025, 46(9): 84-90 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0774

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