Base Tutorial. Topic. Finite Element Analysis. Level If the solver CalculiX is not installed see FEM Install. The following is the tutorial from : Calculix FEA Beam Part 1: Buliding Geometry and Meshing. This article is the first. Then presented as an alternative to the basic tutorial “Getting Started with Calculix” by Jeff.

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FEM CalculiX Cantilever 3D

For this precise tutorial it tutoriall be assumed that the user its already familiar with the working environment of CalculiX CCX and CGX modules, if this is not the case it is recommendable to refer first to some beginner tutorial for example: That way you get the expanded form of these elements in the.

A simple step reader is included. Both programs can be used independently. Static, dynamic and thermal solutions are available. For xalculix someone may need his own functions to manipulate the result-data or he may need an interface to read or write his own results format.

According to my experience, the following guidelines are quite helpful:. CalculiX user interface is cgx program, which allows to create calcukix geometric model, making the mesh, generate the loads and constraints and post-processing of information. 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.

Doc:Calculix – CAELinuxWiki

It may lead to undesirable results if a lot of bending is involved. However, adhering to a couple of simple rules can make life a lot easier.


Static, dynamic and thermal solutions are available. You can easily verify whether the thicknesses you specified are correct. The CalculiX package was developed by a team of enthusiasts in their calcukix spare time.


The calculations were done to determine the burst-speed and the highest allowable rotational speed concerning low cycle fatigue and calculic. Permissions beyond the scope of this license may be available at http: Usual FEA applications involve analysis where multi body assemblies are loaded to determine the contact behavior between each other, some of this data are friction, relative displacement and contact pressure.

The memory needed to run a problem depends on the largest node and element numbers tutoroal computational time, though, does not. Furthermore, you get the 3D stress distribution. This results in very high speed if a hardware-accelerated openGL-library is available and still high speed for software-rendering MesaGL.

CALCULIX: A Three-Dimensional Structural Finite Elemente Program

This leads to a larger variation in the results if you use linear elements. This tutorial is intended as a reference or starting point for those who choose to use more high-performance software and control. Calculix is a very powerful tool of analysis, highly configurable allowing the user to have COMPLETE CONTROL over the analysis, with more than 18 types of analysis covering most fields of study finite element Calculix’s user can modify any variable on the analysis at discretion, the huge amount of information and documentation on the web make CalculiX a great alternative for the development of research projects where computer tools must accommodate the needs of the study.


Therefore it must know the name and syntax of each command, or at least constant consultation of the user manual.

Based on a work at www.

If the linear version doesn’t run, the nonlinear problem won’t run either. By Sebastian Rodriguez — [Libre Mechanics] [1]. Click HERE to see the example of the turbo-charger turbine. The compressor is made of casted aluminum alloy AlSi – C and the turbine of a high temperature alloy Inco C and titorial are loaded by pure centrifugal force.

The iterative scaling method cf. The solver is able to do linear and non-linear calculations.

The calculations were done to determine the burst-speed and the highest allowable rotational speed concerning low cycle fatigue and creep. As the user is probably aware by now, the document make a number of simplifying assumptions as the tutorial progressed, this is done in the interest of gaining a clearer understanding of these fundamental without getting bogged down in special details and exceptions.

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. For a quick overview of the capabilities of CalculiX the results of an investigation of a small jet engine are presented. The solver is able to do linear and non-linear calculations. In some problems you can save memory by choosing an iterative solution method.