What CFD Simulation Teaches Us About the Aerodynamics of a Javelin Throw
Arshad Nadeem won Pakistan's first ever individual gold medal at the 2024 Paris Olympics and set an Olympic record with a 92.97 meter throw — Reuters
“Luminary Cloud allows us to run complex transient solutions that are infeasible on our current hardware but necessary to capture relevant physics of cycling aerodynamics.”
Javelin geometry
Source: https://www.tdk.com/en/tech-mag/athletic/008#section2
Javelin mesh
Animation showing mesh adaptation from 95K to 50M cells, capturing both the coarsening and refinement of mesh elements throughout the process.
Javelin DoE simulation
Javelin streamlines
Velocity contours on a cross-section as LMA refines the mesh from 95K to 50M cells. Notice the enhanced wake capture in the adapted meshes. The javelin is angled at 40 degrees and spinning at 25 revolutions per second.