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Numerical Prediction of the Cracks Effect on the Square Origami Tube (Mechanical Project)

The energy absorption devices play important roles to reduce injures when the traffic accident happens. As a popular design, Thin-walled tube has been widely used in many industrial productions such as vehicles, ships and trains due to their high manufacturability and low cost. The crash cans as the connect part between bumper and a vehicles is a kind of thin-walled tube energy absorption devices.

The thin-walled tube with origami pattern is one of the important achievements in the decade years. Comparing with the conventional square tube, the capacity of energy absorption is improving much more, but as not an ideal model, the small cracks may be happened in the production process. It should be considered that whether the energy absorption will be influenced by the cracks. To depend on the Finite Element Analysis software ABAQUS, it can be predicted by the numerical axial crushing simulation.
Source: Blekinge Institute of Technology
Author: Feng, Tianchen

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