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fmtzhangli

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[求助] 关于FEP 收敛的问题

最近在做NAMD FEP的tutorial,有点不太明白的地方是如何确定FEP模拟是收敛的。教程上说了下面这段话,后面那段看不懂是什么意思。

Probing the convergence properties of the simulation

We can assess convergence of the free energy calculation by monitoring the time-evolution
of ∆G(λ) for every individual λ-state and the overlap of configurational ensembles embod-
ied in their density of states, P0 [∆U (x)] and P1 [∆U (x)], where ∆U (x) = U1 (x) − U0 (x)
denotes the difference in the potential energy between the target and the reference states.



大家是怎么判断FEP模拟是否收敛的?
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