CalculiX: Free Open-Source 3D Finite Element Software for Structural Analysis

Calculix: A Free Software Three-Dimensional Structural Finite Element Program

I present CalculiX, a free software package for solving complex 3D structural problems using the finite element method. Developed by enthusiasts at MTU Aero Engines, this tool handles linear and non-linear static, dynamic, and thermal calculations. It features an interactive OpenGL pre- and post-processor, supports the abaqus input format, and runs on both Unix and MS-Windows platforms, offering a powerful alternative to commercial solutions.

"The CalculiX package was developed by a team of enthusiasts in their rare spare time."