hi, The simulation was OK. But when I changed the epsilon of some atoms to get rid of LJ, lincs warning emerged as: step 116 ; time 0.232 LINCS warning ralative constraint deviation after LINCS: rms 0.168368, max 4.765960 (between atoms 858 and 856) bonds that rotated more than 30 degrees:
t=0.232ps : water molecular starting at atom 17660 can not be settled. check for bad contact and/or reduce the timestep. then the warning happened every step untill the programm crashed. Thanks for your discussion!!
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