Application of the Eckart frame to soft matter: rotation of star polymers under shear flow.

@article{Sabli2017ApplicationOT,
  title={Application of the Eckart frame to soft matter: rotation of star polymers under shear flow.},
  author={Jurij Sabli{\'c} and Rafael Delgado-Buscalioni and Matej Praprotnik},
  journal={Soft matter},
  year={2017},
  volume={13 39},
  pages={
          6988-7000
        }
}
The Eckart co-rotating frame is used to analyze the dynamics of star polymers under shear flow, either in melt or solution and with different types of bonds. This formalism is compared with the standard approach used in many previous studies on polymer dynamics, where an apparent angular velocity ω is obtained from the relation between the tensor of inertia and angular momentum. A common mistake is to interpret ω as the molecular rotation frequency, which is only valid for rigid-body rotation… CONTINUE READING
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