Hi Brian : I am also having a similar kind of issue in running a simulation of CG model Ionic liquid molecules having tabulated 9-6 LJ potential . Surprisingly , I find that the density steadily increasing even after 30 ns , and the box length consequently decreasing . Though the temperature , pressure are OK . In my case I have used tc-grps = system .
Can you tell me how to resolve this issue ? Are there any other techniques without using separate temperature couplings for group molecules? Thanks Tamisra -- -- Tamisra Pal Post Doctoral Research Fellow Technische Universität Darmstadt Institut für Festkörperphysik Hochschulstraße 6 64289 Darmstadt , Germany -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.