Apply fixed velocity to atoms

Queries about input and output files, running specific calculations, etc.


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Oemer_Sahin
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Apply fixed velocity to atoms

#1 Post by Oemer_Sahin » Fri Jun 12, 2026 2:11 pm

Hi,

I want to do a simulation where specific atoms move with a constant velocity (pulling a gold wire). I have tried using EFOR but it was either too weak resulting in no forced movement or too strong. Is there another setting I could use (or change something in the source code) to force specific velocities for some atoms? (I also want to use MLFF)


zahedzx
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Re: Apply fixed velocity to atoms

#2 Post by zahedzx » Tue Jun 23, 2026 6:10 pm

Hi Oemer,

You can use "INCREM" in your INCAR file to controls the transformation velocity in the slow-growth approach.
Please also check this tutorial for more information.

https://vasp.at/tutorials/latest/md/part3/

Best,
Zahed


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