Negative Forces in SMD Simulations

From: Souvik Dey (
Date: Thu May 21 2020 - 16:45:28 CDT

Dear NAMD users,

I have been trying to do an SMD simulation and I keep getting negative
forces throughout the simulations. Why is something like this happening?
Does this mean I am doing something wrong?

I followed the exact same protocol like it was given in the NAMD tutorial (

Thanks in advance.


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