When I first started running CFD back in the 90’s, coarse grids and simplified combustion models were the norm, and for good reason – processor speeds were slow and simulations were mainly run in serial. Fast forward to 2013 and now we have a different story.
The CFD mesh is one of the most discussed topics within the engineering community. It can be both problematic and time consuming – not to mention a source of numerous inaccuracies.
We’ve all experienced it… The old “Our group in ‘pick your location’ is getting very different results from ours.” When it comes to CFD there have been numerous advances in the types of meshing technologies used: tetrahedral, hexahedral, polyhedral, chimera, etc., but little has been done until recently to limit the user-to-user variations from the mesh.