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Article Dans Une Revue Physical Review E Année : 2022

Turbulent route to two-dimensional soft crystals

Résumé

We investigate the effects of a two-dimensional, incompressible, turbulent flow on mono-disperse soft granular particles and show the emergence of a crystalline phase due to the interplay of Stokesian drag (measured through the Stokes number) and short-range inter-particle interactions. We quantify this phase through the bond order parameter and local density fluctuations and find a sharp transition between the crystalline and non-crystalline phase as a function of the Stokes number. Furthermore, the nature of preferential concentration, as characterised by the radial distribution function and the correlation dimension $D_2$, is significantly different from that of particle-laden flows in the absence of repulsive potentials.

Dates et versions

hal-02362959 , version 1 (14-11-2019)

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Mohit Gupta, Pinaki Chaudhuri, Jérémie Bec, Samriddhi Sankar Ray. Turbulent route to two-dimensional soft crystals. Physical Review E , 2022, 106 (6), pp.L062601. ⟨10.1103/PhysRevE.106.L062601⟩. ⟨hal-02362959⟩
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