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Comment on "Edge-Induced Shear Banding in Entangled Polymeric Fluids" [arXiv: 1801.08798]

Published 16 Jun 2018 in cond-mat.soft | (1806.06159v1)

Abstract: Based on numerical modeling with the diffusive Giesekus constitutive equation, a recent Letter [Phys. Rev. Lett. 120, 138002 (2018), arXiv:1801.08798] claimed that the experimental reports of shear banding in entangled polymeric fluids were due to the disturbances from the sample edge. The conclusion that true bulk shear banding is precluded in the presence of edge effects is at odds with many past experimental, theoretical, numerical, and computer simulation studies. We briefly discuss some problems of this work.

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Authors (2)

  1. Yangyang Wang 
  2. Shi-Qing Wang 

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