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Characterization of the spatio-temporal patterns in the osmosedimentation process

Author

Listed:
  • Neto, C.Rodrigues
  • Fortuna, A.O
  • Rosa, R.R
  • Ramos, F.M
  • Zanandrea, A
  • Tenan, M.A

Abstract

In the present work we investigate the problem of pattern formation by fluid flow and mass transport in a viscous binary fluid mixture under osmosedimentation. We perform a numerical investigation of these patterns using spatial computational operators (R2→R), computed from the spatial mass distribution field over time. Our main goal is to determine different dynamical regimes through analysis of the complex patterns arising from the osmosedimentation process. The results show that the pattern formation dynamics in the osmosedimentation process can be well characterized by means of these computational operators.

Suggested Citation

  • Neto, C.Rodrigues & Fortuna, A.O & Rosa, R.R & Ramos, F.M & Zanandrea, A & Tenan, M.A, 2000. "Characterization of the spatio-temporal patterns in the osmosedimentation process," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 283(1), pages 146-150.
    • Handle: RePEc:eee:phsmap:v:283:y:2000:i:1:p:146-150
    DOI: 10.1016/S0378-4371(00)00142-4
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    1. Ramos, Fernando M & Rosa, Reinaldo R & Neto, Camilo Rodrigues & Zanandrea, Ademilson, 2000. "Generalized complex entropic form for gradient pattern analysis of spatio-temporal dynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 283(1), pages 171-174.
    2. Neto, C.Rodrigues & Tenan, M.A., 1998. "Fluid circulation and solute distribution in a binary fluid mixture: Self-organization under osmosedimentation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 257(1), pages 536-541.
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