Local stress and pressure in an inhomogeneous system of spherical active Brownian particles

@inproceedings{Das2019LocalSA,
  title={Local stress and pressure in an inhomogeneous system of spherical active Brownian particles},
  author={Shibananda Das and Gerhard Gompper and Roland G. Winkler},
  booktitle={Scientific Reports},
  year={2019}
}
The stress of a fluid on a confining wall is given by the mechanical wall forces, independent of the nature of the fluid being passive or active. At thermal equilibrium, an equation of state exists and stress is likewise obtained from intrinsic bulk properties; even more, stress can be calculated locally. Comparable local descriptions for active systems require a particular consideration of active forces. Here, we derive expressions for the stress exerted on a local volume of a systems of… CONTINUE READING

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