C
CalculiX
Simulation (FEA & CFD)Free three-dimensional structural finite-element program
- Licence
- GPL-2.0
- Status
- Open source
Free alternatives to Abaqus
Dassault Systèmes' finite-element analysis software. Here are 2 free options, listed.
C
code_aster
Simulation (FEA & CFD)Structural and thermomechanical FEA solver developed by EDF
- Licence
- GPL-3.0
- Status
- Open source
Check file compatibility before switching. Free tools import STEP, DXF and other neutral formats well, but native SolidWorks, Altium or Revit files, drawing standards and PDM workflows may not carry over cleanly.