Structural optimisation of a wind turbine blade box spar. Three cross-section topologies (single-cell box, two-cell box, I-beam) compared under an IEC 61400-1 Extreme Operating Gust load case. 21 m rotor, 10 m blade, spar modelled over the inboard 7 m. GFRP, linear static / modal / linear buckling.
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Structural optimisation of a wind turbine blade box spar. Three cross-section topologies (single-cell box, two-cell box, I-beam) compared under an IEC 61400-1 Extreme Operating Gust load case. 21 m rotor, 10 m blade, spar modelled over the inboard 7 m. GFRP, linear static / modal / linear buckling.