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...It has powerful nonlinear capabilities (including tension/compression only material like concrete) and most types of analysis (modal, thermal, buckling, coupled, etc) . See home page at http://www.dhondt.de
New versions can be obtauned here: http://calculixforwin.blogspot.com/2015/05/calculix-launcher.html
PS Appimages for Scilab, wxMaxima and GNU Octave were added
The 1-dimensional gas-dynamics code. More information in http://www.openwam.com
Modeling is an important technique for the optimization of internal combustion engines (ICE). The use of calculation models together with experimental tests is producing unquestionable successes due to the fact that both techniques complement each other.
1D wave action models simplify the engine by means of ducts, where only one dimension is considered, and volumes where mass accumulation is considered and the gas properties are uniform in the entire element. ...
...It cuts a variety of shapes out of styrofoam-like materials using a hot wire. This project documents the necessary hardware and software parts.
Don't miss the follow-up project at http://raumschaum.org
Its goal is to further develop hardware and software into an user friendly application.