crushing tubes and extruded profiles

This sonar-simulation shows a crushing process of an aluminum tube. The piston is accelerated by a strong force while its max. speed is limited to 10 m/s. Aluminum tube properties are:

tube diameter = 66 mm
tube thickness = 0.6 mm
tube length = 132 mm (L/D ratio = 2)
material model with isotropic hardening

the 2nd movie shows the same with aluminum sheet thickness = 0.3 mm

(this post will be continued)

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