CalculiX (official versions are on www.calculix.de, the official GitHub repository is at https://github.com/Dhondtguido/CalculiX).

Topic	Replies	Views	Activity
Meet us at WCCM 2026 in Munich Official announcements Dear CalculiX-Community, We will attend WCCM-ECCOMAS 2026 (19-24 July) in Munich. Our talk is on Wednesday at 3 p.m. and part of the Minisymposium „Open-Source Software in Mechanics“: We would be happy to meet up!	0	90	June 15, 2026
Welcome to Discourse	0	3470	July 28, 2020
Nonlinear Axial Compression (Buckling) of a Cylinder not Converging Analysis issues	11	146	July 2, 2026
Collected posts on third party developments, examples, etc Tool interfaces	14	499	June 29, 2026
CalculiX and PaStiX solver Windows version Getting started	96	14946	June 28, 2026
3D Simulation of 2D Geometries Model setup	5	137	June 27, 2026
Sealing lip deformation / assembly problem Analysis issues	45	420	June 25, 2026
CalculiX (.frd) and pyvista Postprocessing/Visualization	3	233	June 22, 2026
Cavity Radiation Errors Requiring Recompiling Analysis issues	2	116	June 19, 2026
Abq2ccx input converter (Abaqus to CalculiX) Tool interfaces	6	125	June 18, 2026
Official python wrapper of calculix like PyMFEM? Tool interfaces	4	172	June 14, 2026
Precice 3.4.0 available Tool interfaces	6	295	June 14, 2026
Pretension shear/tensile resistance	39	1093	June 12, 2026
Connect BEAM to TRUSS Analysis issues	11	212	June 11, 2026
CalculiX failing on server, but working on local laptop Analysis issues	9	136	June 9, 2026
Freecad 1.1 available Tool interfaces	3	310	June 8, 2026
Large modal analysis of a shell diaphragm – mesh size vs number of requested modes Analysis issues	12	218	June 6, 2026
Question New surfaces and new solids of reduced model after optimization with beso to CGX or other tool? Tool interfaces	22	462	May 27, 2026
Obtain Element Stresses Postprocessing/Visualization	13	460	May 26, 2026
*AMPLITUDE card enhancement: Mathematical expressions Code development	0	94	May 21, 2026
How to install it in ubuntu software step by step Getting started	6	209	May 19, 2026
How to model springback after bending Advanced features	24	549	May 15, 2026
Validation against ISO 10211-2017 Examples/Tutorials	4	176	May 13, 2026
Automated simulation Pipelines for CalculiX using FreeCAD Tool interfaces	5	179	May 10, 2026
Notice of removal of fallback LAPACK routines from CCX Official announcements	0	123	May 7, 2026
Signing in with Google or Github Site Feedback	1	80	May 7, 2026
Modelling a bearing using a bearing stiffness matrix Model setup	11	282	May 4, 2026
Power Comparison calculix 2.21, 2.19, 2.2.18 to code aster 17.0 Examples/Tutorials	0	121	April 30, 2026
Trouble compiling and running CalculiX with Pastix on Ubuntu 24.04 Getting started	35	1025	April 29, 2026
Acceleration output for dynamic calculations Code development	19	569	April 28, 2026

Meet us at WCCM 2026 in Munich

Dear CalculiX-Community, We will attend WCCM-ECCOMAS 2026 (19-24 July) in Munich. Our talk is on Wednesday at 3 p.m. and part of the Minisymposium „Open-Source Software in Mechanics“: We would be happy to meet up!