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François Guillard

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  • Granular media
    • Drag and lift forces
    • Elongated grains
    • X-ray for granular flows
    • Frictional hyperspheres
  • Brittle porous media
    • Dry puffed rice compaction
    • Jerky compaction of brittle media under degradation
    • High speed impacts
  • Soft matter
    • Bubbles
    • Colloids
  • Mapping
  • Publications & CV

Jerky compaction of brittle media under degradation

Puffed rice in milk

Whoever tried puffed rice and milk at breakfast knows how much the puffed rice grains change in the liquid: they get softer and ductile. This leads to irregular compaction when they are put under load. The video below explains the phenomenon.


References

[Dowload] Einav, Itai, and François Guillard. “Tracking time with ricequakes in partially soaked brittle porous media.” Science advances 4.10 (2018): eaat6961.

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