Polymeric foams have found their way into different industry sectors due to their excellent
thermal and mechanical properties. Polymeric foams might undergo large deformation at …

Sports concussions are a public health concern. Improving helmet performance to reduce
concussion risk is a key part of the research and development community response. Direct …

Finite element simulation was used to analyse the response of an elastomeric pre-buckled
honeycomb structure under impact loading, to establish its suitability for use in helmet liners …

Advances in computational modelling now offer an efficient route to developing novel helmet
liners that could exceed contemporary materials' performance. Furthermore, the rise of …

As an important part of head protection equipment, research on the material and structural
application of helmet liners has always been one of the hotspots in the field of helmets. This …

The open-cell foam is a highly preferred sound-absorbing material used for improving
indoor sound quality. Herein, polyimide foam (PIF) with an open-cell structure was …

Virtual testing of helmets using finite element (FE) analysis can be a valuable tool during
product development. Still, its usefulness is limited by the quality of the constitutive model of …

Auxetic foams have previously been shown to have benefits including higher indentation
resistance than their conventional counterparts, due to their negative Poisson's ratio, making …

Mechanical metamaterials exploiting elastic instabilities offer energy absorbing performance
that exceeds the limits of conventional foams. Here, we thoroughly investigate the energy …

Micro-computed X-ray tomography (μCT) is a volumetric imaging tool used to quantify the
internal structure of materials. μCT imaging with mechanical testing (in situ μCT) helps …