Re: electric field- forces in NAMD source code

From: Kowsar Khajeh (
Date: Sat Jun 16 2018 - 06:17:31 CDT

Kosar Khajeh
PhD Student
Faculty of Mechanical Engineering
University of Tabriz, Tabriz, Iran

On Sat, Jun 16, 2018 at 4:25 PM, Kowsar Khajeh <>

> Hello all NAMD users
> I have a question about the electric field in NAMD source code. We know
> that force is split into long-range electrostatics ("slow"), short-range
> non-bonded ("nbond"), and bonded terms ("normal"), due to support for
> multiple time stepping. In ComputeEfield.C file in source code (Applying
> electric field in code), only there is "normal" part of force. As below;
> Force *forces = r->f[Results::normal];
> This means that, the electric field only affect this part of force?! or
> maybe I could not understand fully the code...
> I am interested in any help and suggestion...
> Thank you for your time and consideration.
> Best
> Kosar

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