Examples solved using CalculiX

Nonlinear deformation of a seat-belt braket

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The most straightforward structural analysis applied to a real engineering case. In this tutorial, we made use of large deformation and material plasticity nonlinearities.

Modal analysis

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Frequency analysis of a diapason.

Modal dynamic analysis

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Response of a sheet bar to dynamic loading force.

Non linear contact analysis

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Complex contacts analysis for a isotropic plastic component.

Contact with rubber components

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Complex contact analysis with rubber component.

Modal analysis on a real steel frame

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Natural vibration frequency on a real steel frame.

Static hyperelastic rubber model

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Static validation of a rubber model with equibiaxial strain test.

Viscoelastic creep analysis

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Viscoelastic creep analysis on a real plastic component.

Micro-switch commutation

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Complex contacts in a transient dynamic analysis on a micro-switch.

Natural vibration shape on a bell

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Modal analysis on a bronze bell using shell elements.

Deformation on a crane

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Static deformation on a crane with bolt connection.

Modal analysis on a rack and pinion rail

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Natural vibration frequency on a rack and pinion rail for a glass cutter table.

Large deformation of a torsional spring

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Another static deformation using beam elements.

Elements benchmark

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A simple static analysis to explain the use of different elements type in CalculiX solver.

Elements benchmark 2

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Another benchmark between different elements type in CalculiX solver.

Modal analysis on a comple assembly

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Natural vibration frequency on a complete assembly as a starting point for a NVH analysis (have a look to the next tutorial).

Viscoplastic creep analysis

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Viscoplastic creep analysis on the valve Case.

Minting process of a steel ball

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Minting process of a steel ball on a 1[mm] diameter brass orifice.

Hyperelastic of a rubber gasket

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A full 3D and the same but axial-symmetric model of a rubber gasket using contacts.

Plastic bending of a steel pipe

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In this example we show how to use rigid and contacts in a hight non linear deformation plasticity.

Static analysis on a lock pin bike chariot

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In this simple static analysis we explain how to use rigid to apply concentrated force.

Static nonlinear analysis on a pipe squeezing

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In this highly nonlinear analysis we show how use contact and multiple load-step to compute the residuals deformation.

Static nonlinear contact analysis

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A very simple case to show how to use contact in CalculiX. A cylinder supported to a flat surface.

Analysis on a 6000 ton press

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A complete analysis with contacts.

Complex contacts analysis for a fully anisotropic plastic component

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Complex contacts analysis for a fully anisotropic plastic component.

A contact analysis preformed using gap-elements

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A simulation in CalculiX from a long time ago. In 2005, version 1.3 did not include contact elements, so this simulation was performed using gap elements.

Dynamic explicit analysis

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Using the deceleration pulse from a dynamic analysis, the plastic deformation of a battery retainer was simulated.

Static compression of a rubber

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Compression of a Minimal Surface Lattice.

Non linear contact analysis

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Complex contacts analysis. A tear test on a rast 2.5mm cable holder.

Steering rack bellows deformation

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Analysis on a rubber bellows with auto-contacts.

Static non linear analysis

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Verification of no plasticity on a steel framework.

Pressure vessel analysis

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Verification analysis on a plastic-made pressure vessel sujected to 4.5[bar].

Pressure vessel analysis

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Verification analysis on a steel pressure vessel sujected to 4.5[bar].

Micro-switch commutation

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Complex contacts in a transient dynamic analysis on a micro-switch.

Contact deactivation/activation in complex assembly

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In this example, we utilized CalculiX features to deactivate and sequentially activate contacts, and applied pressure to resolve initial contact penetration in a complex assembly.

A contact analysis preformed using gap-elements

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A simulation in CalculiX from a long time ago. In 2005, version 1.3 did not include contact elements, so this simulation was performed using gap elements.

Modal analysis on a dual-mass damped flywheel

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Only 1/7 of the model was discretized, then *TIE and *CYCLIC SYMMETRY were used to analyze the whole model.

Apply torque to a dishwaher salt cap

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In this tutorial is explained how apply a torque.

Apply torque to a plasitc screwed cap

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In this tutorial is explained how apply a torque.

Apply torque to a dishwaher salt cap with bayonet charge

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In this tutorial is explained how apply a torque.

Static nonlinear contact analysis

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In this tutorial, a screwed handle is simulated using contacts.

Centrifugal nonlinear contact analysis

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In the first two load-steps, the assembly is built using MODEL CHANGE REMOVE and ADD contacts. After that, a 12,000 RPM centrifugal simulation is performed using flywheel material cast iron plasticity.

Large nonlinear material plasticity

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A classical blacksmith decoration found in old hand-made gates.

Large nonlinear material plasticity

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Tensile test on dogbone spicement.

Large nonlinear material plasticity

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Tensile test on dogbone spicement using CAX8R axisymmetric elements.

How to simulate connection bolt

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Use of *PRE-TENSION SECTION.

Transient structural implicit

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Transient dynamic response of a complete assembly to an acceleration pulse.

Transient structural implicit

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Transient dynamic response of a sphere subjected to a magnetic force impact against a fixed nucleus.

Transient structural implicit

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Transient dynamic response of a bistable valve switching in a complete plastic frame.

Thermal analysis on a MTB disk-break

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Steady state thermal analysis using breack heat power and free convection.

Friction heat generation

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In this tutorial ten clutch engagement were simulated with 4[s] on and 56[s] off.

Thermal analysis on a heat dissipator

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The same as before but in CalculiX.

Natural eigenfrequencies of the buzzer

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Modal analysis of the buzzer vibration membrane.

Electric welding

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A segregated coupling between CalculiX and Elmer to simulate an electric welding process.

Under construction…

under construction

This section will be ready soon and many other tutorials will be loaded …