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	118	June 15, 2026
Welcome to Discourse	0	3473	July 28, 2020
NAN in Pardiso solver( the penalty contact method ) Model setup	3	55	July 13, 2026
Explicit Dynamic Analysis Cube on a Thin Plate Model setup	1	61	July 11, 2026
Collected posts on third party developments, examples, etc Tool interfaces	20	566	July 10, 2026
H-CCX Benchmark project with 50 documented cases and 466 more Tool interfaces	0	39	July 10, 2026
AI MCP Server for analysis of bridges and buildings with b32R Tool interfaces	0	21	July 10, 2026
CalculixPP made for Android, iOS and desktop Tool interfaces	0	32	July 10, 2026
Subroutine Curing thermoset now available for calculix Advanced features	0	28	July 10, 2026
Design Agent Anvilate can use calculix Tool interfaces	0	38	July 9, 2026
How to model elastic spring back	12	387	July 9, 2026
Multiple FRD files instead one file Postprocessing/Visualization	2	73	July 7, 2026
Windows Pardiso Nonlinear convergence problem Analysis issues	3	103	July 6, 2026
Glue gap in modal analysis Analysis issues	9	124	July 5, 2026
Nonlinear Axial Compression (Buckling) of a Cylinder not Converging Analysis issues	17	284	July 3, 2026
CalculiX and PaStiX solver Windows version Getting started	96	14992	June 28, 2026
3D Simulation of 2D Geometries Model setup	5	155	June 27, 2026
Sealing lip deformation / assembly problem Analysis issues	45	450	June 25, 2026
CalculiX (.frd) and pyvista Postprocessing/Visualization	3	248	June 22, 2026
Cavity Radiation Errors Requiring Recompiling Analysis issues	2	121	June 19, 2026
Abq2ccx input converter (Abaqus to CalculiX) Tool interfaces	6	132	June 18, 2026
Official python wrapper of calculix like PyMFEM? Tool interfaces	4	186	June 14, 2026
Precice 3.4.0 available Tool interfaces	6	303	June 14, 2026
Pretension shear/tensile resistance	39	1102	June 12, 2026
Connect BEAM to TRUSS Analysis issues	11	220	June 11, 2026
CalculiX failing on server, but working on local laptop Analysis issues	9	145	June 9, 2026
Freecad 1.1 available Tool interfaces	3	322	June 8, 2026
Large modal analysis of a shell diaphragm – mesh size vs number of requested modes Analysis issues	12	223	June 6, 2026
Question New surfaces and new solids of reduced model after optimization with beso to CGX or other tool? Tool interfaces	22	471	May 27, 2026
Obtain Element Stresses Postprocessing/Visualization	13	462	May 26, 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!