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Laboratory experiments and numerical simulation reveal that a submerged intruder dragged hor-
izontally at constant velocity within a granular medium experiences a lift force whose sign and
magnitud...
Tunable Vibrational Band Gaps in One-Dimensional Diatomic Granular Crystals with Three-Particle Unit Cells
Tunable Vibrational Band Gaps One-Dimensional Diatomic Granular Three-Particle Unit Cells
2010/11/18
We investigate the tunable vibration filtering properties of one-dimensional diatomic granular crystals composed of arrays of stainless steel spheres and cylinders interacting via Hertzian contact. Th...
Experimental evidence of ageing and slow restoration of the weak-contact configuration in tilted 3D granular packings
Granular solids Nonlinear acoustic probing Avalanches
2010/11/19
Granular packings slowly driven towards their instability threshold are studied using a digital imaging technique as well as a nonlinear acoustic method. The former method allows us to study grain rea...
Effects of Ag Addition on Some Physical Properties of Granular YBa2Cu3O7-δ Superconductor
High-TC Superconductor Polycrystalline YBCO Ag Addition
2010/7/8
The effects of Ag addition on some physical properties of YBa2Cu3O7−d superconductor has been studied. The samples were produced by different routes and characterized by scanning electron micros...