Doc:Calculix
Description
" I did just deleted a comment, I found it obsolete. "
CalculiX is a package designed to solve field problems. The method used is the finite element method.
With CalculiX Finite Element Models can be build, calculated and post-processed. The pre- and post-processor is an interactive 3D-tool using the openGL API. The solver is able to do linear and non-linear calculations. Static, dynamic and thermal solutions are available. Both programs can be used independently. Because the solver makes use of the ABAQUS input format it is possible to use commercial pre-processors as well. In turn the pre-processor is able to write mesh related data for nastran, abaqus, ansys, code-aster and for the free-cfd codes duns, ISAAC and OpenFOAM. A vda CAD interface is available. The program is designed to run on Unix platforms like Linux and Irix computers but also on MS-Windows.
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For a quick overview of the capabilities of CalculiX the results of an investigation of a small jet engine are presented. The jet engine was build around a turbo-charger rotor in the early 90's by Andreas Funke and Klaus Wittig. The FE-model was build from scratch with CalculiX and the compressor- and turbine models together with solver input files can be found in the distribution. The calculations were done to determine the burst-speed and the highest allowable rotational speed concerning low cycle fatigue and creep. In addition the eigenfrequencies were calculated to determine possible resonances with the vanes. The models are meshed with 20 noded brick elements with reduced integration. The right and left side of the disks are connected by cyclic symmetry equations which allow to calculate eigenvalues and mode-shapes for certain nodal diameters of a rotational symmetric volume based only on a segment of the structure. The compressor is made of casted aluminum alloy (AlSi - C355) and the turbine of a high temperature alloy (Inco 713C) and both are loaded by pure centrifugal force.
CalculiX GraphiX: CGX
CGX description (building )
CalculiX user interface is cgx program, which allows to create the geometric model, making the mesh, generate the loads and constraints and post-processing of information. Although it contains a graphical display area and certain model selection activities are made possible through the computer mouse, most of the work is done by typing text on a command line. Therefore it must know the name and syntax of each command, or at least constant consultation of the user manual. Despite this the quality of documentation and logic handled at the command causes the program is easily manageable.
CalculiX CrunchiX: CCX
CCX description (building )
Documentation
Official Calculix Documentation
The original online documentation of Calculix can be found here:
Link: Calculix Official Website
Tutorials
section to complete...
Getting Started with CalculiX
subtitle
Jeff Baylor – Convergent Mechanical Solutions LLC
CGX Tutorial based on a tutorial by Guido Dhondt
Additional contributions by Chris Fisichella
Covers:
- list of points
Link: http://bconverged.com/content/calculix/doc/GettingStarted.pdf
Tutorial Intermedio CalculiX, CAELINUX
subtitle
Jhoan Sebastian Rodriguez - Universidad De America
This tutorial is intended as a reference or starting point for those who choose to use more high-performance software and control. This is due to the characteristics associated with engineering free-software currently available. Then presented as an alternative to the basic tutorial "Getting Started with Calculix" by Jeff Baylo, the reader new on the subject better start with the basic steps explained in detail in that document.
- Covers:
Introduction
Software tools
Contact Exercise
Introduction Problem Preprocessing Processing, archiving. INP Postprocessing
Heat Exercise.
Introduction Problem Preprocessing Processing, archiving. INP Postprocessing
Results. More information.
Link: http://ufpr.dl.sourceforge.net/project/investigaciondi/articulo%2Binvestigacion.pdf (Spanish)
Related Projects
FEA data exchange between Salomé and Calculix/Abaqus: MedAba project
by Otto Ernst Bernhardi
This project aims at developing a file conversion tool to facilitate the exchange of FEA meshes between Salome MED format and Calculix (link) / Abaqus INP format.
This software is developed by Otto Ernst Bernhardi and is provided "as is" without warranty.
Link: Proj:MedAba 2