Stability of force-driven shear flows in nonequilibrium molecular simulations with periodic boundaries.

@article{Howard2020StabilityOF,
  title={Stability of force-driven shear flows in nonequilibrium molecular simulations with periodic boundaries.},
  author={Michael P. Howard and A. Statt and H. A. Stone and Thomas M Truskett},
  journal={The Journal of chemical physics},
  year={2020},
  volume={152 21},
  pages={
          214113
        }
}
  • Michael P. Howard, A. Statt, +1 author Thomas M Truskett
  • Published 2020
  • Medicine, Chemistry, Physics
  • The Journal of chemical physics
  • We analyze the hydrodynamic stability of force-driven parallel shear flows in nonequilibrium molecular simulations with three-dimensional periodic boundary conditions. We show that flows simulated in this way can be linearly unstable, and we derive an expression for the critical Reynolds number as a function of the geometric aspect ratio of the simulation domain. Approximate periodic extensions of Couette and Poiseuille flows are unstable at Reynolds numbers two orders of magnitude smaller than… CONTINUE READING

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