Based on our record, FreeCAD should be more popular than Calculix. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Under the hood CalculiX is used for this. It appears the FreeCAD nonlinear material object does use a plastic model from CalculiX. Here are two forum threads I found discussing the matter:. Source: about 3 years ago
Important note[0] from author: > With the help of my script, You get a way to install Solidworks on your Linux system. > Certain packages and programs that are required will be set up for You, but it's important to know, that my script only helps You to get the program to run and nothing more! Personally I may recommend try & use SolveSpace[1,2] and FreeCAD[3] — free & open-source 2D/3D... - Source: Hacker News / over 2 years ago
Also FreeCAD has a gcode workbench for full 3D. I've used it a little and would describe it as "usable once you work out the quirks". Https://freecadweb.org/. Source: about 3 years ago
elmer - Elmer is an open-source software package that solves partial differential equations. Combined with its ability to run various equations in parallel, it is an effective tool for running multiphysical simulations. Read more about elmer.
SketchUp - 3D for Everyone
OpenFOAM - OpenFOAM® - Official home of The Open Source Computational Fluid Dynamics (CFD) Toolbox.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
COMSOL Multiphysics - COMSOL is the developer of COMSOL Multiphysics software, an interactive environment for modeling and simulating scientific and engineering problems.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.