CalculiX

A Free Software Three-Dimensional Structural Finite Element Program

Authors: Guido Dhondt (Finite Element Solver)

Klaus Wittig(Pre- and Postprocessor)

Version 2.17 of CalculiX is available!

Maximum principal stress in a paraglider (thanks to Thomas Ripplinger)

justinablack.com/pycalculix.

An adapter allows to couple CalculiX via preCICE to other solvers (e.g. OpenFOAM, SU2, or any in-house solver) for fluid-structure interaction.

C.C. Ashcraft, R.G. Grimes, D.J. Pierce and D.K. Wah for the SPOOLES sparse matrix solver.

Johannes Barner for the vda2fbd converter.

Jeff Baylor for the Windows executable of cgx and ccx, starting from Version 1.5.

Otto-Ernst Bernhardi for the implementation of the C3D8R (hourglass control), the C3D8I element and the box general beam section.

M. De Marchi for the Windows executable of ccx, Version 1.2.

R. Felde for the acis2fbd converter.

Reinhold Fisher for the contact implementation in modal dynamics calculations.

B. Graf for the installation guides for Max OS X Mavericks.

Jaro Hokkanen for face-to-face penalty contact.

Hibbitt, Karlsson & Sorensen, Inc. for allowing us to use the ABAQUS input format.

Sven Kassbohm for the Ciarlet elastic model for large strains.

R.B. Lehoucq, D.C. Sorensen and C. Yang for the ARPACK eigenvalue solver.

Sascha Merz for the implementation of the Zienkiewicz-Zhu error estimator.

Carlo Monjaraz-Tec for work on explicit dynamics.

Pascal Mossier for the cadTools.

Conrad Mottl for implementing multistage MPC's.

Yannick Muller for the implementation of aerodynamic networks.

Tobias Opel for work on the PaStiX-CalculiX interface.

Matteo Pacher for work on implicit dynamics.

Vito Pasquariello for the Coulomb friction in penalty contact.

Axel Philipp for the external face extraction within an existing mesh (cgx).

Samoela Rakotonanahary for auxiliary routines in face-to-face penalty contact.

Ernst Rank and Martin Ruecker for the C-version of the iterative solver.

T. Roesener, who found a way for stepped colors in Linux.

Tobias Roessler for detecting a very mean error in the CalculiX-Mortar interface.

Dave Rossi for the Windows executable of ccx, Version 1.1.

Stefan Sicklinger for modifications in penalty contact.

Saskia Sitzmann for the implementation of the Sutherland-Hodgman algorithm.

Manfred Spraul for generating the rmp archives, enhancements in the numcheck.awk script and the multithreading capability.

Scott W. Sloan for the profile reduction algorithms.

Robert Taylor for the permission to use his profile solver (included up to version 1.7).

Peter Wauligmann for discovering, linking and improving the PaStiX solver.

Xinan Zhou for supporting me with the wedge element implementation.

Material data can be found at www.matweb.com.

Finally, the authors would like to thank MTU Aero Engines for the permission to publish this work.

Von Mises stress in a turbine segment