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Dynamic simulation studies of structural formation and transition in electro-magneto-rheological fluids

Wang, Z., Fang, H. P., Lin, Z. F. and Zhou, L. .W. (2001) Dynamic simulation studies of structural formation and transition in electro-magneto-rheological fluids. International Journal of Modern Physics B, 15 (6-7). pp. 842-850. ISSN 1793-6578

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To link to this item DOI: 10.1142/S0217979201005350

Abstract/Summary

The computer simulation method has been used to study the structural formation and transition of electro-magneto-rheological (EMR) fluids under compatible electric and magnetic fields. When the fields are applied simultaneously and perpendicularly to each other, the particles rapidly arrange into two-dimensional close-packed layer structures parallel to both fields. The layers then combine together to form thicker sheet-like structures, which finally relax into three-dimensional close-packed structures with the help of the thermal fluctuations. On the other hand, if the electric field is applied firstly to induce the body-centered tetragonal (BCT) columns in the system, and then the magnetic field is applied in the perpendicular direction. the BCT to face-centered cubic (FCC) structure transition is observed in very short time. Following that. the structure keeps on evolving due to the demagnetization effect and finally form the three-dimensional close-packed structures.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:38023
Publisher:World Scientific

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