hi:
i am doing simulation of a system consists of 512 DMSO moleculers and 917 water moleculers. the whole system is running under 290K and 1bar ,and constraints = none; the simulation has taken 8000 ps ,but it seems not to get stable yet,because RMSD keeps rising. when i did simulation of the same system with constraints set all-bonds,it usually get stable within 3000ps. i wonder whether any mistakes has been made or it is normal. can you give some hints? thanks.
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