Why isn’t open source CFD solution for everyone?

gnu-head

When open source CFD solution is talked, two familiar statements are often heard:  Open source CFD solution is cheap, because nothing can be cheaper than free.  Open source CFD solution is inferior, otherwise, why is it free?Both of them are wrong. Open source CFD solution is not cheap, although licensing is free Most open source CFD packages are licensed ...

CFD in 2013: what will change? what will not

Mayan-Apocalypse

Obviously, the doomsday didn't come. It proves again it is hard to predicate what will happen when you don't have sufficient knowledge on how the system works now. Maybe it is just a bug in Mayan's calendar (Google also forgot to put December in People App in Android 4.2 (aka Jelly Bean 4.2)  last November).Predicating ...

Top 5 misunderstandings on (good) mesh

meshing-world-map-tri

Although there are quite a few mesh-free (mesh-less) FEA and CFD codes, meshing is still one of the most important tasks  for most CAE users. The importance of generating high quality mesh can never be overemphasized.But how to define a high quality, or more preciously good, mesh? Reading  the output of mesh quality report in ...