Project
Vortex Induced Vibration (VIV) - Cantilever
Simulation of vortex-induced vibration of a flexible cantilever in fluid flow. Shows the coupling between fluid dynamics and structural response.
1 Challenge
Understanding vortex-induced vibration of flexible structures in fluid flow is critical for many engineering applications.
2 CFD Approach
A cantilever mounted at the downstream face of a square cylinder was simulated. Depending on the flow regime (Reynolds number) and the geometric, material and structural properties, the cantilever may develop complex vibration modes close to either the first or second natural modes.
3 Results
Contours of instantaneous out-of-plane vorticity show the 2nd mode of oscillation with complex wake dynamics.
4 Engineering Conclusion
The simulation reveals the coupling between structural vibration and vortex shedding patterns.
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