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Golf Driver Meshing

This is the third in a series of articles you will see from us in 2019 about meshes we have been working on. The March mesh showcases a golf club – specifically a golf driver. We all know that PGA tour professionals hit the gold driver very hard. PGA Tour statistics show that tour professionals have a driver club head speed of up to 130 mph. To resolve these speeds and model the aerodynamic flow around the golf driver at that speed, a good Pointwise mesh will be required.

Golf driver

T-Rex Inflation

We have used Pointwise’s T-Rex functionality for growing a high quality inflation in viscous boundary layer. T-Rex is the Pointwise’s most advanced and automated hybrid mesh generation method. It was introduced in Gridgen in early 2007 and has been developed and enhanced continuously since. T-Rex generates hybrid meshes that resolve boundary layers, wakes, and other phenomena in viscous flows by extruding layers of high-quality, high aspect ratio tetrahedra that can be post-processed into stacks of prisms.

 

Cut plane of driver head with surface mesh. Blue cells have low non-orthogonality (eg structured mesh)
Figure 1 – Cut plane of driver head with surface mesh. Blue cells have low non-orthogonality (eg structured mesh)

 

Cut plane of golf driver head with surface mesh.
Figure 2 – Cut plane of driver head with surface mesh.

 

Top view of golf club head.
Figure 3 – Top view of club head.

The whole length of the driver shaft is shown in Figure 4, where structured cells have been used to model the cylindrical shaft.

Finally, source boxes (Figure 5) are easily included to resolve flow downstream of the driver head in the bluff zone.

View of golf driver shaft
Figure 4 – view of driver shaft

 

Top view of source box used for finer mesh resolution downstream, of the golf club head.
Figure 5 – top view of source box used for finer mesh resolution downstream, of the club head.

In case you missed it…

Check out last month’s mesh if you missed it!

Thanks for reading, the next edition will be April 2019. Until then, happy meshing!

For a free trial of Pointwise, go here.

Monthly Mesh
1. Cricket bat meshing
2. Twin box bridge deck meshing
3. Golf Driver Meshing
4. Frigate Helipad Pointwise unstructured mesh
5. Frigate Helipad – Structured O-H mesh
6. Horizontal wind turbine near a bridge
7. Meshing a Raspberry Pi
8. Scripting Pointwise Meshing
9. 2D meshing with sources in Pointwise
10. Pointwise as a Pre-processor for CFD
11. Mesh Adaption with Caelus and Pointwise
12. Meshing Santa’s Pod Racer Sled
13. Scripting Structured-Unstructured Meshes for Aerospace
14. Mesh Adaptation With Pointwise, Caelus & Python
15. Normal Extrusion Hybrid Meshes for Multi-Element Airfoils
16. Car park Ventilation CFD with Pointwise, Caelus, CFX and FDS
17. Mesh Independence for Car Park Ventilation
18. It’s all in the numbering – mesh renumbering may improve simulation speed
19. Voxel Transition Cell Recombination for OpenFOAM meshes
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