Re: Langevin dynamics and random seeds

From: Peter Freddolino (petefred_at_umich.edu)
Date: Tue May 05 2020 - 19:20:39 CDT

Dear Morgan,
You might want to have a look at
https://www.ncbi.nlm.nih.gov/pubmed/19180249
Best,
Peter

On Tue, May 5, 2020 at 7:23 PM Morgan Packer <packer.mo_at_northeastern.edu>
wrote:

> Hello everyone!
>
>
>
> I have been performing 90 nanosecond simulations that use a newly
> generated random number seed every nanosecond or half nanosecond rather
> than continuing from a common random seed. I am performing molecular
> dynamics simulations on protein complexes using LANGEVIN dynamics. Due to
> the langevin dynamics would using the same seed in each nanosecond
> configuration file even have an effect, or would LANGEVIN re-randomize the
> velocities with each new simulation step (50,000 timestep 1 nanosecond
> config file) anyways?
>
>
>
> Thanks for your help!
>
>
>
> --Morgan R Packer, Chemistry PhD Candidate
>
> Department of Chemistry & Chemical Biology
>
> Northeastern Univeristy
>
> Boston, MA
>
>
>
>
>
>
>

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