Wrinkling of microcapsules in shear flow

Details Wrinkling of microcapsules in shear flow Wrinkling of microcapsules in shear flow

2006-01-25

arxiv.org/abs/cond-mat/0601589v1

J. Phys.: Condens. Matter 18 (2006) L185-L191

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 figures, submitted to PRL

Scientific paper

10.1088/0953-8984/18/15/L04

Elastic capsules can exhibit short wavelength wrinkling in external shear flow. We analyse this instability of the capsule shape and use the length scale separation between the capsule radius and the wrinkling wavelength to derive analytical results both for the threshold value of the shear rate and for the critical wave-length of the wrinkling. These results can be used to deduce elastic parameters from experiments.

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