NFL Helmet Challenge DfAM eSeries: Control the Collapse – Architected Materials for Impact Absorption

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When it comes to absorbing an impact, something’s gotta give. Generally, that is one of two things: a protective structure like a helmet (which is hopefully present), or the sensitive object being protected (e.g. a person’s body or head).

Lattices and cellular structures offer a huge design space to tune and optimize this deformation capability, and therefore the energy absorption capacity.

In this presentation, Jonathan Harris, Senior Application Engineer at nTopology, distills a few key underlying variables in this endless design space, to help engineers get the most out of their energy-absorbing structures.


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