James Starlight wrote:
Justin,thanks!


1) For example for the situation presented in manual for 2 groups with 3 and 4 points the time enty should be

annealing_time = 0 3 6 0 2 4 6

from this I've understood that 0 value is the start of timer for each group and subsequent values are the actual time in the ps, havennt it ?


Yes.

For example I'd like to perform nvt simulation ( with overal time 100ps) for three different groups in 5 equal steps. So does annealing options must be
annealing = single single single
annealing_npoints = 5 5 5
annealing_time = 0 25 50 75 100 0 25 50 75 100 0 25 50 75 100

annealing_temp = 300 310 320 330 340 350 300 310 320 330 340 350 300 310 320 330 340 350 # this means that for each group temperature increase on 10K on each step and there are 5 steps for each grou ( equal to npoints)


I don't understand why 5 steps are necessary. You're doing a linear increase from 300K to 350K for all groups over 100 ps. All you need is:

annealing = single single single
annealing_npoints = 2 2 2
annealing time = 300 350 300 350 300 350

Does this ecxample correct or there are some connection between that values for diffent groups ?

2) How I can couple this annealing options with the *gen_temp* values wich as I understood must also differs on the each step ? OR should I use some averaged gen_temp?


The value of gen_temp is only used for initial velocity generation, so in your case it should still be set to 300. After that, it is irrelevant. Do you mean ref_t? In this case, the annealing temperature values override ref_t, so it doesn't matter.

-Justin

--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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