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	132	June 15, 2026
Welcome to Discourse	0	3478	July 28, 2020
NAN in Pardiso solver( the penalty contact method ) Model setup	9	147	July 20, 2026
Collected posts on third party developments, examples, etc Tool interfaces	25	638	July 19, 2026
Axial forces in beams & trusses Model setup	1	76	July 13, 2026
How to model elastic spring back Model setup	14	422	July 13, 2026
Explicit Dynamic Analysis Cube on a Thin Plate Model setup	1	96	July 11, 2026
Multiple FRD files instead one file Postprocessing/Visualization	2	80	July 7, 2026
Windows Pardiso Nonlinear convergence problem Analysis issues	3	112	July 6, 2026
Glue gap in modal analysis Analysis issues	9	134	July 5, 2026
Nonlinear Axial Compression (Buckling) of a Cylinder not Converging Analysis issues	17	310	July 3, 2026
CalculiX and PaStiX solver Windows version Getting started	96	15009	June 28, 2026
3D Simulation of 2D Geometries Model setup	5	158	June 27, 2026
Sealing lip deformation / assembly problem Analysis issues	45	451	June 25, 2026
CalculiX (.frd) and pyvista Postprocessing/Visualization	3	255	June 22, 2026
Cavity Radiation Errors Requiring Recompiling Analysis issues	2	123	June 19, 2026
Abq2ccx input converter (Abaqus to CalculiX) Tool interfaces	6	137	June 18, 2026
Official python wrapper of calculix like PyMFEM? Tool interfaces	4	193	June 14, 2026
Precice 3.4.0 available Tool interfaces	6	307	June 14, 2026
Pretension shear/tensile resistance	39	1107	June 12, 2026
Connect BEAM to TRUSS Analysis issues	11	229	June 11, 2026
CalculiX failing on server, but working on local laptop Analysis issues	9	146	June 9, 2026
Freecad 1.1 available Tool interfaces	3	323	June 8, 2026
Large modal analysis of a shell diaphragm – mesh size vs number of requested modes Analysis issues	12	225	June 6, 2026
Question New surfaces and new solids of reduced model after optimization with beso to CGX or other tool? Tool interfaces	22	472	May 27, 2026
Obtain Element Stresses Postprocessing/Visualization	13	463	May 26, 2026
*AMPLITUDE card enhancement: Mathematical expressions Code development	0	99	May 21, 2026
How to install it in ubuntu software step by step Getting started	6	219	May 19, 2026
How to model springback after bending Advanced features	24	564	May 15, 2026
Validation against ISO 10211-2017 Examples/Tutorials	4	184	May 13, 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!