• June 15, 2019

CalculiX CrunchiX USER’S MANUAL version. Guido Dhondt. March 2, Contents. 1 Introduction. 2 How to perform CalculiX. CalculiX USER’S MANUAL – CalculiX GraphiX, Version -. Getting Started with CalculiX. Jeff Baylor – Convergent Mechanical Solutions LLC. CGX Tutorial based on a tutorial by Guido Dhondt. Additional contributions by.

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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.

CALCULIX: A Three-Dimensional Structural Finite Elemente Program

A simple step reader is included. I’d appreciate any level of support via PatreonLiberapayor PayPal! The input file is given together with two scripts, in order to create an animation with cgx.

Read more about what I do at my blog. Open the results with cgx and there type Code: 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 rigid body concept is used to fix the two bodies in space. Anyone for making an importer into the animation workbench?

After some trial and error I got a working bouncing pendulum with just two finite elements. The compressor is made of casted aluminum alloy AlSi – C and the turbine of a high temperature alloy Inco C. The surface behavior parameter is way off from the recommendation in the Calculix manual. 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 jet engine was build around a turbo-charger rotor in the early 90’s by Andreas Funke and Klaus Wittig.

CalculiX CrunchiX USER’S MANUAL version 2.12

Click HERE to see the example of the turbo-charger compressor. Both programs can be used independently. The driving force is gravity. The models are meshed with 20 noded brick elements with reduced integration.

Contact information can be found at the bottom of manula “Download” page. So I tried to find out, if it is possible to do some basic physics with it. One degree of freedom is left, so they can rotate about their fix-point.

Did not know that this is possible in CalculiX. The CalculiX package was developed by a team of enthusiasts in their raw spare time. I’m still pretty new to this, can you expand on these instructions a little more? The contact feature did need tuning.

CalculiX is a package designed to solve czlculix problems. Like my FreeCAD work? The method used is the finite element method. Static, dynamic and thermal solutions are available.


CalculiX FE-Model of a jet engine with turbo-charger compressor blue and turbine red. Put all files into one directory.

Click HERE for the jet-engine-model and manuall. Do you think this could be extended to manua, kinematics-type stuff, like animate a four-bar linkage and show the time-dependent stress concentrations throughout the members? The calculations were done to determine the burst-speed and the highest allowable rotational speed concerning low cycle fatigue and creep.

You do not have the required permissions to view the files attached to this post. In addition the eigenfrequencies were calculated to determine possible resonances with the vanes. Last edited by makkemal on Wed Feb 08, 1: The solver is able to do linear and non-linear calculations.

Click HERE to see the example of the turbo-charger turbine.