On 15/09/2011 5:13 AM, Juliette N. wrote:
Hello,

For the equilibration one usually looks at the total energy or the observable of interest to be independent of time. I wanted to figure out when we are referring to equilibration which of the run time or n_steps parameters are important. One could run 1,000,000 steps with dt of 0.001 ps or 0.002 ps

Your use of constraints is a critical factor in determining the largest time step that will lead to simulation stability.

Mark

ending up with 1 and 2 ns simulation times. Can we infer that 2 ns trial is closer to equilibration or one needs to look at the n_steps regardless of total run time. I hope my question in clear to receive your feedback.

Thanks,




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