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

Topic	Replies	Views	Activity
CalculiX User Meeting 2026 Official announcements Dear CalculiX users, We are pleased to announce the first CalculiX User Meeting, hosted by MTU Aero Engines in Munich. The meeting is aimed at professional CalculiX users and has the following objectives: Learning ab…	0	72	September 4, 2026
Welcome to Discourse Uncategorized	0	3527	July 28, 2020
CalculiX ccx, cgx and zstd compression Code development	2	57	September 7, 2026
Clearance Vs penetration Analysis issues	0	35	September 7, 2026
USER element : 1D beam custom implementation Code development	42	1042	September 4, 2026
Nonlinear Axial Compression (Buckling) of a Cylinder not Converging Analysis issues	39	911	September 1, 2026
Large Difference between Solution at Integration Points and Nodes Analysis issues	4	177	August 27, 2026
Full precision output at nodes and integration points Postprocessing/Visualization	13	1796	August 24, 2026
Statically linked version for linux Uncategorized	1	87	August 24, 2026
Pyramid elements C3D5 & C3D13 Code development	32	1958	August 23, 2026
2D-model with 1D-thermal network Examples/Tutorials	6	368	August 21, 2026
Precice calculix adapter 2.20.2 available Tool interfaces	0	108	August 14, 2026
The Mohr-Coulomb constitutive model & linear surface-to-surface contact Model setup	17	460	August 14, 2026
How to compile Umat.f to dll file Advanced features	20	697	August 13, 2026
Coupling constraints with shells Analysis issues	0	88	August 10, 2026
Meet us at WCCM 2026 in Munich Official announcements	5	372	July 31, 2026
Soil-pipe interaction analysis Model setup	2	108	July 30, 2026
How to properly visualize contact elements in GraphiX? CalculiX GraphiX	5	164	July 28, 2026
*RESTART for aeroelastic analysis Model setup	3	111	July 26, 2026
Freecad 1.1 available Tool interfaces	5	463	July 25, 2026
Problem with creating surface by 'comp' command in CGX CalculiX GraphiX	12	1348	July 25, 2026
Abq2ccx input converter (Abaqus to CalculiX) Tool interfaces	7	239	July 22, 2026
Tags associated with the issues.Github Uncategorized	2	74	July 22, 2026
NAN in Pardiso solver( the penalty contact method ) Model setup	9	241	July 20, 2026
Collected posts on third party developments, examples, etc Tool interfaces	25	823	July 19, 2026
Axial forces in beams & trusses Model setup	1	105	July 13, 2026
How to model elastic spring back Model setup	14	486	July 13, 2026
Explicit Dynamic Analysis Cube on a Thin Plate Model setup	1	128	July 11, 2026
Multiple FRD files instead one file Postprocessing/Visualization	2	94	July 7, 2026
Windows Pardiso Nonlinear convergence problem Analysis issues	3	139	July 6, 2026

CalculiX User Meeting 2026

Dear CalculiX users, We are pleased to announce the first CalculiX User Meeting, hosted by MTU Aero Engines in Munich. The meeting is aimed at professional CalculiX users and has the following objectives: Learning ab…