http://www.dolfyn.net/index_en.html
The Open Source CFD code dolfyn is an initiative in Noord-Brabant, a Dutch province in the south of the Netherlands, particularly in the region around Eindhoven. The goal of dolfyn is to promote, introduce and teach the use of modern numerical simulation techniques in general and the use of Computational Fluid Dynamics (CFD) in particular.
Heat and mass transfer, transport phenomena, and fluid dynamics play an important role in various products, machines and in our daily life.
Examples are: