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	64	June 15, 2026
Welcome to Discourse	0	3467	July 28, 2020
Sealing lip deformation / assembly problem Analysis issues	28	219	June 22, 2026
ASME stress linearization tool available? In FreeCAD Tool wrong results Tool interfaces	0	45	June 21, 2026
CalculiX (.frd) and pyvista Postprocessing/Visualization	2	175	June 20, 2026
Cavity Radiation Errors Requiring Recompiling Analysis issues	2	89	June 19, 2026
CalculiX and PaStiX solver Windows version Getting started	87	14782	June 18, 2026
Abq2ccx input converter (Abaqus to CalculiX) Tool interfaces	6	81	June 18, 2026
Collected posts on third party developments, examples, etc Tool interfaces	12	406	June 14, 2026
Official python wrapper of calculix like PyMFEM? Tool interfaces	4	148	June 14, 2026
Precice 3.4.0 available Tool interfaces	6	277	June 14, 2026
Pretension shear/tensile resistance	39	1055	June 12, 2026
Connect BEAM to TRUSS Analysis issues	11	166	June 11, 2026
CalculiX failing on server, but working on local laptop Analysis issues	9	115	June 9, 2026
Freecad 1.1 available Tool interfaces	3	298	June 8, 2026
Large modal analysis of a shell diaphragm – mesh size vs number of requested modes Analysis issues	12	193	June 6, 2026
Question New surfaces and new solids of reduced model after optimization with beso to CGX or other tool? Tool interfaces	22	427	May 27, 2026
Obtain Element Stresses Postprocessing/Visualization	13	405	May 26, 2026
*AMPLITUDE card enhancement: Mathematical expressions Code development	0	89	May 21, 2026
How to install it in ubuntu software step by step Getting started	6	198	May 19, 2026
How to model springback after bending Advanced features	24	453	May 15, 2026
Validation against ISO 10211-2017 Examples/Tutorials	4	169	May 13, 2026
Automated simulation Pipelines for CalculiX using FreeCAD Tool interfaces	5	162	May 10, 2026
Notice of removal of fallback LAPACK routines from CCX Official announcements	0	121	May 7, 2026
Signing in with Google or Github Site Feedback	1	74	May 7, 2026
Modelling a bearing using a bearing stiffness matrix Model setup	11	246	May 4, 2026
Power Comparison calculix 2.21, 2.19, 2.2.18 to code aster 17.0 Examples/Tutorials	0	113	April 30, 2026
Trouble compiling and running CalculiX with Pastix on Ubuntu 24.04 Getting started	35	992	April 29, 2026
Acceleration output for dynamic calculations Code development	19	519	April 28, 2026
Weakness of 1st order shell tri elements against other codes Analysis issues	7	244	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!