Calculix
Template:Short description Template:Infobox software CalculiX is a free and open-source finite-element analysis application that uses an input format similar to Abaqus. It has an implicit and explicit solver (CCX) written by Guido Dhondt and a pre- and post-processor (CGX) written by Klaus Wittig.<ref name="CalculiX website"/> The original software was written for the Linux<ref>How To Install CalculiX 2.6 multi-thread under Ubuntu 11.04 and later.</ref> operating system in 1998.<ref name="WileyBook"/> Convergent Mechanical has ported the application to the Windows operating system.<ref name="Convergent Mechanical's website">Convergent Mechanical's website.</ref>
The pre-processor component of CalculiX can generate grid data for the computational fluid dynamics programs duns, ISAAC and OpenFOAM. It can also generate input data for the commercial FEM programs Nastran, Ansys and Abaqus.<ref>CalculiX Review by iMechanica.</ref> The pre-processor can also generate mesh data from STL files. <ref name="CGX Documentation">CGX Documentation.</ref>
There is an active online community that provides support at Discourse.<ref name="CalculiX Discourse Group">CalculiX Discourse Group.</ref> Convergent Mechanical also provides installation support for their extended version of CalculiX for Windows.<ref name="Convergent Mechanical's website"/>
There is a friendly CalculiX Launcher<ref name="CalculiX Launcher sourceforge">CalculiX Launcher (SourceForge).</ref> with CCX wizard for both Windows and Linux. <ref name="CalculiX Launcher">CalculiX Launcher.</ref>
Also possible is the Installation in Windows 10 Fall Creator (1709) with the new Linux Subsystem WSL.<ref>Template:Cite web</ref>
A Python library, pycalculix,<ref name="pycalculix website">pycalculix website.</ref> was written to automate the creation of CalculiX models in the Python programming language. The library provides Python access to building, loading, meshing, solving, and querying CalculiX results for 2D models. Pycalculix was written by Justin Black. Examples and tutorials are available on the pycalculix site.<ref name="pycalculix website"/>
FreeCAD has developed a FEM workbench that automates the creation of CalculiX models.
There is a lot good examples of use of CalculiX<ref name="Prof. Martin Kraska">CalculiX examples.</ref> by Prof. Martin Kraska, Brandenburg University of Applied Sciences.
The preCICE (software) adapter for CalculiX<ref name="preCICE adapter">CalculiX preCICE adapter</ref> allows coupling it to other solvers to form partitioned multi-physics simulations.
The source code is distributed as archives on Guido Dhnond's website<ref name="Guido Dhondt's website"/> and via GitHub.<ref name="GitHub repo">Official repository on GitHub</ref> The GitHub project includes an issue tracker. Contributions via pull requests are not directly merged, but the suggestions are incorporated manually by the maintainers,<ref name="GitHub PRs">Closed PRs on GitHub</ref> suggesting that the primary development takes place on a different repository.
Literature
- Guido Dhondt: "The Finite Element Method for Three-Dimensional Thermomechanical Applications". Wiley, Hoboken 2004, Template:ISBN
- CCX v2.18 documentation
- CGX v2.18 documentation
- Getting Started Guide
- FreeCAD FEM workbench for CalCulix
References
<references> <ref name="CalculiX website">CalculiX website.</ref> <ref name="Guido Dhondt's website">Guido Dhondt's website for CalculiX.</ref> <ref name="WileyBook"> Template:Cite book </ref> </references>