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ST7-1.20.20.2 Modelling the Impact of a Mass on a Tube
This document outlines the steps required to model dynamic impact of a mass with a metallic tube. The modelling is only concerned with the behaviour of the impacted structure, and as such the mass is modelled as a rigid body. The critical region of the model is shown on the right. The mass of the impactor is modelled using the translational mass nodal attribute. Zero Gap point contact elements are used to simulate contact between the impactor and the structure. To create a cluster of contacts...
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