(no subject)

From: Suresh Ghimire (suresh.ghimire2049sg_at_gmail.com)
Date: Fri Dec 22 2017 - 09:54:23 CST

Dear namd users,
I am trying to perform namd simulation of permeation of water through
carbon nanotube. While running simulation, errors appear on the terminal
window. like this

ERROR: Atom 59 velocity is -114899 -236833 37156.9 (limit is 10000, atom 42
of 674 on patch 1 pe 2)
ERROR: Atom 74 velocity is -12730.6 11666.7 -7247.44 (limit is 10000, atom
57 of 674 on patch 1 pe 2)
ERROR: Atom 118 velocity is 23355.9 6741.47 -19151.7 (limit is 10000, atom
101 of 674 on patch 1 pe 2)
ERROR: Atom 143 velocity is 31247.2 -87297 -878.15 (limit is 10000, atom
126 of 674 on patch 1 pe 2)
ERROR: Atom 164 velocity is -3718.4 -4563.62 -18258.7 (limit is 10000, atom
147 of 674 on patch 1 pe 2)
ERROR: Atom 491 velocity is 10800 -24083.2 380.446 (limit is 10000, atom
285 of 674 on patch 1 pe 2)
ERROR: Atom 647 velocity is 114511 237205 -36300.9 (limit is 10000, atom
361 of 674 on patch 1 pe 2)
ERROR: Atom 710 velocity is 73239.9 92787.7 53463.1 (limit is 10000, atom
424 of 674 on patch 1 pe 2)
ERROR: Atom 732 velocity is -30193 86105 1525.15 (limit is 10000, atom 446
of 674 on patch 1 pe 2)
ERROR: Atom 741 velocity is -11361 24109.8 -379.01 (limit is 10000, atom
455 of 674 on patch 1 pe 2)
ERROR: Atom 1000 velocity is 11682.7 -11852.4 5371.02 (limit is 10000, atom
527 of 674 on patch 1 pe 2)
ERROR: Atom 1043 velocity is -16207.8 -4838.53 14594.8 (limit is 10000,
atom 570 of 674 on patch 1 pe 2)
ERROR: Atom 1046 velocity is -6043.67 -9012.58 -9550.58 (limit is 10000,
atom 573 of 674 on patch 1 pe 2)
ERROR: Atom 1047 velocity is -59577 -75564.5 -40571.8 (limit is 10000, atom
574 of 674 on patch 1 pe 2)
ERROR: Atom 172 velocity is -6074.53 -6608.51 -8914.54 (limit is 10000,
atom 10 of 559 on patch 0 pe 1)
ERROR: Atom 536 velocity is 6243.69 6289.54 9099.44 (limit is 10000, atom
179 of 559 on patch 0 pe 1)
ERROR: Atom 781 velocity is 3953.06 477.682 18752.3 (limit is 10000, atom
544 of 559 on patch 0 pe 1)
ERROR: Atoms moving too fast; simulation has become unstable (3 atoms on
patch 0 pe 1).
ERROR: Atom 1048 velocity is -6827.04 -7823.54 -4271.78 (limit is 10000,
atom 575 of 674 on patch 1 pe 2)
ERROR: Atoms moving too fast; simulation has become unstable (15 atoms on
patch 1 pe 2).
ERROR: Exiting prematurely; see error messages above.
How can I fix my problem?

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