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Unifying Impacts in Granular Matter from Quicksand to Cornstarch by Jerome, J John Soundar; Vandenberghe, Nicolas; Forterre, Yoel is a scholarly article available to read on EtoBox.

What is Unifying Impacts in Granular Matter from Quicksand to Cornstarch about?

A sharp transition between liquefaction and transient solidification is observed during impact on a granular suspension depending on the initial packing fraction. We demonstrate, via high-speed pressure measurements and a two-phase modeling, that this transition is controlled by a coupling between the granular pile dilatancy and the interstitial fluid pressure generated by the impact. Our results provide a generic mechanism for explaining the wide variety of impact responses in particulate media, from dry quicksand in powders to impact-hardening in shear-thickening suspensions like cornstarch.

Author

Jerome, J John Soundar; Vandenberghe, Nicolas; Forterre, Yoel

Published

2016

Language

EN