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@ -44,7 +44,7 @@ temp/rescale</A>, <A HREF = "fix_nh.html">fix npt</A>, etc.
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respective group IDs, which can be defined using the
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<A HREF = "group.html">group</A> command. The number of atoms in the two groups
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must be the same and there should be one bond defined between a pair
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of atoms in the two groups.
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of atoms in the two groups.
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</P>
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<P>The temperature is calculated by the formula KE = dim/2 N k T, where
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KE = total kinetic energy of the group of atoms (sum of 1/2 m v^2),
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@ -52,7 +52,10 @@ dim = 2 or 3 = dimensionality of the simulation, N = number of atoms
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in the group, k = Boltzmann constant, and T = temperature. Note that
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the velocity of each core or shell atom used in the KE calculation is
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the velocity of the center-of-mass (COM) of the core/shell pair the
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atom is part of.
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atom is part of. Note that atoms that are not core or shell particles
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are also included in the temperature calculation (if they are in the
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specified group-ID); they contribute to the total kinetic energy in
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the usual way.
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</P>
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<P>A kinetic energy tensor, stored as a 6-element vector, is also
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calculated by this compute for use in the computation of a pressure
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