ForceConstant in Umbrella Sampling

From: Buddhadev Maiti (bmaiti_at_gsu.edu)
Date: Fri Oct 28 2011 - 12:38:24 CDT

Dear NAMD Users,

I am preforming umbrella sampling using collective variable module as distanceZ of NAMD.2.7 version. I am confused about the input value of “forceConstant”, whether is it K or K/2 kcal mol^-1 A^-2. Suppose I want to input forceConstant as 25 kcal mol^-1 A^-2. So in the input file do I need to input 25 or 12.5. Could you please give me reply, it will be great help for me.

Have a nice day,

Thanks,

Maiti

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