On 01/06/2008, Shams Fantar <firstname.lastname@example.org> wrote: > I'm looking for civil engineering sofwares. Do you know a software for > the calculs of forces, the stability of forces, etc. ? I'm not sure if you're comfortable setting up and solving the PDEs yourself, but if you are, you should examine freefem and freefem3d. Depending how much of a numericist you are, you may also be interested in Octave. HTH, - Jordi G. H.