A Three-Dimensional Structural Finite Element Program

CalculiX Finite Element Models can be built, calculated, and
post-processed.

Notice: The authors acknowledge that naming conventions and input style
formats for CalculiX are based on those used by ABAQUS, a proprietary,
general purpose finite element code developed and supported by Hibbitt,
Karlsson & Sorensen, Inc (HKS) and are used with kind permission from HKS.
Results obtained from CalculiX are in no way connected to ABAQUS.

WWW: http://www.calculix.de/