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Numerical serendipities in physics
A compendium of quantities that happen to have nice numbers, for no reason Fine structure constant Defined as .Intriging, since it seemed for a time that it would be precisely the inverse of an integer number. Actually, pH of water The pH scale is logarithmic and inversely indicates the activity of hydrogen ions in the […]
FreeCAD para generación de geometrías en CFD
Si estamos utilizando herramientas de software libre como OpenFOAM es interesante seguir con esta línea. Para una geometría sencilla, una columna con una “heave plate”, FreeCAD funciona perfectamente. Es importante escoger el “workbench” adecuado: “Part”. En él, basta con crear dos cilindros aditivos (color amarillo). Sus características se crean al crearlos, pero luego se pueden […]
FOWTs in OpenFOAM
Very interesting series of videos by Thaw Tar, from Hitachi Zosen Corporation. It’s always interesting to watch somebody’s else’s workflow. In particular, I liked the use of paraview in pre-processing, through the sources menu.
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