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…	2	477	September 14, 2026
Welcome to Discourse Uncategorized	0	3560	July 28, 2020
USER element : 1D beam custom implementation Code development	45	1128	September 18, 2026
Nonlinear Axial Compression (Buckling) of a Cylinder not Converging Analysis issues	53	1190	September 17, 2026
Proposal for official building instructions Getting started	9	202	September 15, 2026
Coupling constraints: capabilities and local coordinate systems not compatible Uncategorized	1	53	September 15, 2026
Calculix equivalent to Ansys force bonded Model setup	2	134	September 15, 2026
CalculiX 2.23: undersized fnl array in resultsmech.f — load1 reproducer and candidate fix Analysis issues	5	172	September 14, 2026
Tie constraint on the edges of 2D elements Analysis issues	11	436	September 11, 2026
Clearance Vs penetration Analysis issues	16	218	September 10, 2026
CalculiX ccx, cgx and zstd compression Code development	4	184	September 10, 2026
Calculix sometimes converging Model setup	1	74	September 8, 2026
Large Difference between Solution at Integration Points and Nodes Analysis issues	4	202	August 27, 2026
Full precision output at nodes and integration points Postprocessing/Visualization	13	1815	August 24, 2026
Statically linked version for linux Uncategorized	1	106	August 24, 2026
Pyramid elements C3D5 & C3D13 Code development	32	1989	August 23, 2026
2D-model with 1D-thermal network Examples/Tutorials	6	390	August 21, 2026
Precice calculix adapter 2.20.2 available Tool interfaces	0	122	August 14, 2026
The Mohr-Coulomb constitutive model & linear surface-to-surface contact Model setup	17	494	August 14, 2026
How to compile Umat.f to dll file Advanced features	20	711	August 13, 2026
Coupling constraints with shells Analysis issues	0	101	August 10, 2026
Meet us at WCCM 2026 in Munich Official announcements	5	416	July 31, 2026
Soil-pipe interaction analysis Model setup	2	122	July 30, 2026
How to properly visualize contact elements in GraphiX? CalculiX GraphiX	5	178	July 28, 2026
*RESTART for aeroelastic analysis Model setup	3	129	July 26, 2026
Freecad 1.1 available Tool interfaces	5	496	July 25, 2026
Problem with creating surface by 'comp' command in CGX CalculiX GraphiX	12	1363	July 25, 2026
Abq2ccx input converter (Abaqus to CalculiX) Tool interfaces	7	259	July 22, 2026
Tags associated with the issues.Github Uncategorized	2	89	July 22, 2026
NAN in Pardiso solver( the penalty contact method ) Model setup	9	264	July 20, 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…