[AMBER] How to modify/add velocity entries in .inpcrd file?

From: Yan Duan <yduan1.ualberta.ca>
Date: Thu, 13 Jun 2013 16:56:52 -0600

Dear Amber users:
  I'm a novice to AMBER, after some searching, now I'm able to generate a
prmtop and an .inpcrd file for a lipid bilayer and water molecules on its
two sides.
  Now if I would like to assign velocities to the water molecules, I
suppose I have to add some velocities entries to the .inpcrd file. But how
could I do this job? When I tried to open the .inpcrd file, it shows like
this:

default_name
 31898
  17.5461438 35.6096227 48.2661678 17.0901438 35.3456227 47.2871678
  18.3911438 36.2836227 48.0081678 16.4821438 36.0866227 49.1591678
  16.7801438 36.1036227 50.2291678 15.7011438 35.2986227 49.0931678
  15.7651438 37.4206227 48.7571678 15.2341438 37.7986227 49.6571678
  16.4951438 38.2286227 48.5381678 14.8781438 37.2736227 47.5981678
  ......................................(thousands of lines like above)

  They are just some numbers without much physical meaning mentioned.
  Could someone help with this problem?
  So many thanks in advance!

Yan
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Received on Thu Jun 13 2013 - 16:00:02 PDT
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