Structural Analysis of 2D and 3D Frames

Structural Analysis of 2D and 3D Frames


Frame3DD is free open-source software for static and dynamic structural analysis of 2D and 3D frames and trusses with elastic and geometric stiffness. 
It computes the static deflections, reactions, internal element forces, natural frequencies, mode shapes and modal participation factors of two- and three- dimensional elastic structures using direct stiffness and mass assembly. 

Frame3DD has its own text-file input format (. 3dd), but additionally supports matlab (. m) and spreadsheet (. csv) file formats, and offers graphical output including mode shape animation via Gnuplot version 4. 2.
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