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Numerical modeling of superparamagnetic sub-micronic particles trajectories under the coupled action of 3D force fields*

Published online by Cambridge University Press:  15 December 2000

P. Pham ,
P. Massé  and
J. Berthier
P. Pham*
Affiliation:
Equipe Commune LETI/bioMérieux, DSYS, CEA, 38054 Grenoble Cedex 9, France
P. Massé
Affiliation:
LETI (CEA-Technologies Avancées), DSYS-CSI, 38054 Grenoble Cedex 9, France
J. Berthier
Affiliation:
LETI (CEA-Technologies Avancées), DSYS-CSI, 38054 Grenoble Cedex 9, France
*
pascale.pham@cea.fr
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Abstract

Trajectories of superparamagnetic sub-micronic particles submitted to a multi-force field are modeled numerically by a Finite Element Method. The first step is the computation of the magnetic forces and the carrier fluid velocity field, the second step is the computation of the trajectories using a Finite Difference Method with a predictor-corrector scheme.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 12 , Issue 3 , December 2000 , pp. 211 - 216
Copyright
© EDP Sciences, 2000

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Footnotes

*

This paper has been presented at NUMELEC 2000.

References

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R. Gerber, R.R. Birss, High Gradient Magnetic Separation, Research Studies Press, ISBN 0 471 90162 8, 1983, p. 61.
Lawson, W.F., Treat, R.P., The dynamic of a particle attracted by a magnetized wire, J. Appl. Phys. 48, 3213 (1977). CrossRef
Watson, J.H.P., Magnetic filtration, J. Appl. Phys. 44, 4209 (1973). CrossRef