Please let me announce a new version of TYCHO (for Windows and Linux). The new version includes sound-wave generators and routines for calculating sound-pressure level maps. In addition some minor bugs are resolved and the 3D - boundary generation generator (tychoBCG3D) can now load both, binary- and ascii, STL files.

TYCHO offers you:

-> Obstacle - Gas interaction

-> Heat-diffusion within obstacles

-> Thermal-exchange between gas and obstacles

-> Viscosity (Sutherland's law)

-> Gravity as a constant background field

-> Inclusion of marker-fields, which are advected with the velocity-field of the gas

-> Wind-emitters

-> Up to six different boundary conditions (easy to implement your own)

-> Can write four different file types (including VTK)

-> A graphical user interface to set up all simulation parameters

-> An easy 2D initial-condition generator to extract boundaries from Pixel graphics

-> An easy 3D initial-condition generator to extract boundaries from STL and Point Data (such as 3D scans)

-> Sound-simulations for investigating dB-Maps with obstacle absorbing and reflecting sound-waves

New version of TYCHO now available at http://tycho-cfd.at/ TYCHO is freely available to everyone. You are welcome to download it and do whatever you want with it.