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August 11, 2025Physics of Fluids

A numerical study of flexible flapping wings in highly compressible flows

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Authors

NWNathan WiddupLWLi WangJYJohn Young

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Overview

This numerical analysis reveals how flexibility affects aerodynamic performance in compressible flows, showing a decrease in lift coefficient at high Mach numbers.

Key Points

  • Increasing the Mach number results in a near-linear decay in lift generation, affecting performance.
  • At higher Mach numbers, the peak lift coefficient declines due to pressure increase and spanwise flow issues.
  • Numerical simulations used varied parameters including Mach number from 0.4 to 1.4 and Reynolds number from 200 to 2000.
  • Findings support an updated scaling law for flexible wings based on observed aerodynamic forces and wing deformation.

Cite This Study

Widdup et al. (2025) studied this question.

synapsesocial.com/papers/68a35eeb0a429f7973327f94https://doi.org/10.1063/5.0274245
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