Project
Inverted Flag Flapping
Simulation of an inverted flag flapping in fluid flow. Shows the self-excited oscillations and energy harvesting potential.
1 Challenge
Understanding the self-excited oscillations of an inverted flag in fluid flow for potential energy harvesting applications.
2 CFD Approach
Simulation of flapping inverted flag with helicity iso-surfaces (cross product of velocity and vorticity) to show 3D wake structures.
3 Results
The structures separate from the flag and break up into small-scale turbulence in the wake.
4 Engineering Conclusion
The simulation reveals the highly unsteady and massively separated wake dynamics.
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