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[ESPResSo-users] Fwd: Active matter

From: Nairhita Samanta
Subject: [ESPResSo-users] Fwd: Active matter
Date: Fri, 24 Feb 2017 12:31:47 +0530

Dear Joost,

Thank you for your reply. I have seen this paper earlier. However, I still exactly dont understand the mechanism used in Espresso for the swimming feature, that how this orientation (u) is updated. Does it follow a separate equation of motion like a Langevin equation for rotation, which gets updated at each step along with position and then the force (F) is applied in that direction? Otherwise it is difficult for Espresso to find the orientation of a symmetric single particle. I am trying to understand for a system without any Hydrodynamic interaction.


On Thu, Feb 23, 2017 at 9:47 PM, Joost de Graaf <address@hidden> wrote:
Dear Samantha,

Perhaps reading the 2016 J. Chem. Phys. by De Graaf et al. (144, 134106) on anisotropic swimmers will be helpful.

Best Wishes,


On Thu, 23 Feb 2017 at 12:31, Nairhita Samanta <address@hidden> wrote:
Hi all!

I am using the v_swim/f_swim feature of ESPResSo. But I really want to understand the more clearly. So, can you please guide me to find the algorithm, or at least the articles which is followed for the equation of motion of the quaternions.

Thanking you.

With regards,

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