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Analysis of wind velocity and release angle effects on discus throw using computational fluid dynamics
Abel I Rouboa1, Victor M Reis, Vishveshwar R Mantha
1CITAB/University of Trás-os-Montes and Alto Douro, Vila Real, Portugal. rouboa@seas.upenn.edu
Computer Methods in Biomechanics and Biomedical Engineering
|December 14, 2011
Summary
This study analyzes discus throw aerodynamics, comparing numerical and experimental results. Discus rotation significantly impacts flight distance, influenced by drag, velocity, angle, and wind.
Area of Science:
- Sports Science
- Aerodynamics
- Fluid Dynamics
Background:
- The discus throw is a complex athletic event influenced by aerodynamic forces.
- Understanding these forces is crucial for optimizing performance and technique.
Purpose of the Study:
- To investigate the aerodynamics of the discus throw.
- To compare numerical simulations with experimental data for discus performance.
- To analyze the effects of rotation on lift and drag coefficients.
Main Methods:
- Numerical simulations and experimental analysis were employed.
- Lift and drag coefficients were calculated.
- Boundary conditions were set to simulate realistic throwing environments.
- Wind resistance was calculated for velocities of 25 and 27 m/s.
Main Results:
- Flight distance is significantly affected by drag coefficient, initial velocity, release angle, and wind velocity direction.
- These aerodynamic variables change dynamically with discus rotation.
- Numerical and experimental results for flight distance showed good agreement.
Conclusions:
- Discus rotation is a key factor influencing aerodynamic performance.
- Accurate aerodynamic modeling can predict discus throw outcomes.
- Further research can refine techniques for maximizing flight distance.
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