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Engineers developed additively manufactured, bistable rotating elements for aircraft wings. These morphing wing structures adapt shape without continuous energy use, enhancing performance and efficiency, especially for Uncrewed Air Vehicles (UAVs).

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Area of Science:

  • Aerospace Engineering
  • Mechanical Engineering
  • Materials Science

Background:

  • Aircraft wings require adaptable shapes for optimal performance across diverse flight conditions.
  • Traditional shape morphing systems often involve complex, heavy designs with continuous energy demands, limiting efficiency and payload.

Purpose of the Study:

  • To introduce a novel class of additively manufactured, bistable rotating elements for aircraft wing structures.
  • To enable substantial, reversible changes in wing geometry without continuous energy expenditure.

Main Methods:

  • Utilized geometric nonlinearity to create bistable geometries for wing morphing.
  • Designed and manufactured additively manufactured, bistable rotating elements.
  • Conducted experimental validation including wind tunnel tests and Finite Element Analysis.

Main Results:

  • Demonstrated substantial and reversible alterations in wing chordwise geometry.
  • Confirmed the elimination of continuous energy use for shape maintenance during maneuvers.
  • Validated the mechanical reliability and shape-holding capability of the multistable morphing wing.

Conclusions:

  • The proposed multistable morphing wing offers tunable mechanical and geometric properties for precise adjustments.
  • This technology significantly conserves energy, reduces weight, and enhances performance, particularly for Uncrewed Air Vehicles (UAVs).
  • The concept holds promise for aerospace applications and potential use in other engineering disciplines.