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Basal complex: a smart wing component for automatic shape morphing
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DOI：10.1038/s42003-023-05206-1.png)
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Abstract
En 中文
The study validates the hypothesis that the basal complex in insect wings plays a crucial role in wing shape changes during flight. Insect wings are adaptive structures that automatically respond to flight forces, surpassing even cutting-edge engineering shape-morphing systems. A widely accepted but not yet explicitly tested hypothesis is that a 3D component in the wing's proximal region, known as basal complex, determines the quality of wing shape changes in flight. Through our study, we validate this hypothesis, demonstrating that the basal complex plays a crucial role in both the quality and quantity of wing deformations. Systematic variations of geometric parameters of the basal complex in a set of numerical models suggest that the wings have undergone adaptations to reach maximum camber under loading. Inspired by the design of the basal complex, we develop a shape-morphing mechanism that can facilitate the shape change of morphing blades for wind turbines. This research enhances our understanding of insect wing biomechanics and provides insights for the development of simplified engineering shape-morphing systems.
Keywords:
AERODYNAMIC CHARACTERISTICS
FUNCTIONAL-MORPHOLOGY
INSECT
DESIGN
DEFORMATION
RESILIN
FLIGHT
NODUS
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