[gmx-users] Temperature coupling

[Dr. Vitaly Chaban]

I believe you are now posing the questions, where you are expected to
open the source code yourself and read...


Dr. Vitaly V. Chaban


On Sun, Feb 23, 2014 at 8:25 PM, Marcelo Vanean <vanean22 at gmail.com> wrote:
> Still about the question of temperature coupling with method of the
> periodic perturbation I have the following question: Only the y and z
> components are rescaled in the temperature coupling?
>
>
> Original Post:
> "
> I am trying to calculate the viscosity of water (spc model) by
> periodic perturbation method. The manual says (manual 4.6.5, pages 169
> - 170): "To obtain the correct value for the viscosity the generated
> velocity profile should not be coupled to the heat bath, also the
> velocity profile should be excluded from the kinetic energy" and "The
> heat generated by the viscous friction is removed by coupling to a
> heat bath". I don't understand. How is possible to couple the system
> to the thermal bath, but not the velocity profile?
>
> Thank you in advance."
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