git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@4451 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp
2010-08-06 14:48:24 +00:00
parent 970d6053a0
commit c60063c96b
4 changed files with 18 additions and 8 deletions

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@ -56,6 +56,7 @@ results from a unitless LJ simulation into physical quantities.
<LI>charge = reduced LJ charge, where q* = q / (4 pi perm0 sigma epsilon)^1/2
<LI>dipole = reduced LJ dipole, moment where *mu = mu / (4 pi perm0 sigma^3 epsilon)^1/2
<LI>electric field = force/charge, where E* = E (4 pi perm0 sigma epsilon)^1/2 sigma / epsilon
<LI>density = mass/volume, where rho* = rho sigma^dim
</UL>
<P>For style <I>real</I>, these are the units:
</P>
@ -72,6 +73,7 @@ results from a unitless LJ simulation into physical quantities.
<LI>charge = multiple of electron charge (+1.0 is a proton)
<LI>dipole = charge*Angstroms
<LI>electric field = volts/Angstrom
<LI>density = gram/cm^dim
</UL>
<P>For style <I>metal</I>, these are the units:
</P>
@ -87,7 +89,8 @@ results from a unitless LJ simulation into physical quantities.
<LI>dynamic viscosity = Poise
<LI>charge = multiple of electron charge (+1.0 is a proton)
<LI>dipole = charge*Angstroms
<LI>electric field = volts/Angstrom
<LI>electric field = volts/Angstrom
<LI>density = gram/cm^dim
</UL>
<P>For style <I>si</I>, these are the units:
</P>
@ -104,6 +107,7 @@ results from a unitless LJ simulation into physical quantities.
<LI>charge = Coulombs
<LI>dipole = Coulombs*meters
<LI>electric field = volts/meter
<LI>density = kilograms/meter^dim
</UL>
<P>For style <I>cgs</I>, these are the units:
</P>
@ -120,6 +124,7 @@ results from a unitless LJ simulation into physical quantities.
<LI>charge = statcoulombs or esu
<LI>dipole = statcoul-cm = 10^18 debye
<LI>electric field = statvolt/cm or dyne/esu
<LI>density = grams/cm^dim
</UL>
<P>The units command also sets the timestep size and neighbor skin
distance to default values for each style. For style <I>lj</I> these are

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@ -52,7 +52,8 @@ pressure = reduced LJ pressure, where P* = P sigma^3 / epsilon
dynamic viscosity = reduced LJ viscosity, where eta* = eta sigma^3 / epsilon / tau
charge = reduced LJ charge, where q* = q / (4 pi perm0 sigma epsilon)^1/2
dipole = reduced LJ dipole, moment where *mu = mu / (4 pi perm0 sigma^3 epsilon)^1/2
electric field = force/charge, where E* = E (4 pi perm0 sigma epsilon)^1/2 sigma / epsilon :ul
electric field = force/charge, where E* = E (4 pi perm0 sigma epsilon)^1/2 sigma / epsilon
density = mass/volume, where rho* = rho sigma^dim :ul
For style {real}, these are the units:
@ -68,7 +69,8 @@ pressure = atmospheres
dynamic viscosity = Poise
charge = multiple of electron charge (+1.0 is a proton)
dipole = charge*Angstroms
electric field = volts/Angstrom :ul
electric field = volts/Angstrom
density = gram/cm^dim :ul
For style {metal}, these are the units:
@ -84,7 +86,8 @@ pressure = bars
dynamic viscosity = Poise
charge = multiple of electron charge (+1.0 is a proton)
dipole = charge*Angstroms
electric field = volts/Angstrom :ul
electric field = volts/Angstrom
density = gram/cm^dim :ul
For style {si}, these are the units:
@ -100,7 +103,8 @@ pressure = Pascals
dynamic viscosity = Pascal*second
charge = Coulombs
dipole = Coulombs*meters
electric field = volts/meter :ul
electric field = volts/meter
density = kilograms/meter^dim :ul
For style {cgs}, these are the units:
@ -116,7 +120,8 @@ pressure = dyne/cm^2 or barye = 1.0e-6 bars
dynamic viscosity = Poise
charge = statcoulombs or esu
dipole = statcoul-cm = 10^18 debye
electric field = statvolt/cm or dyne/esu :ul
electric field = statvolt/cm or dyne/esu
density = grams/cm^dim :ul
The units command also sets the timestep size and neighbor skin
distance to default values for each style. For style {lj} these are

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@ -323,7 +323,7 @@ arguments are non-zero, else return a 0.0. The logical OR operator
will return 1.0 of either of its arguments is non-zero, else return a
0.0. These relational and logical operators can be used as a masking
or selection operation in a formula. For example, the number of atoms
whose properties satisy one or more criteria could be calculated by
whose properties satifsy one or more criteria could be calculated by
taking the returned per-atom vector of ones and zeroes and passing it
to the <A HREF = "compute_reduce.html">compute reduce</A> command.
</P>

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@ -322,7 +322,7 @@ arguments are non-zero, else return a 0.0. The logical OR operator
will return 1.0 of either of its arguments is non-zero, else return a
0.0. These relational and logical operators can be used as a masking
or selection operation in a formula. For example, the number of atoms
whose properties satisy one or more criteria could be calculated by
whose properties satifsy one or more criteria could be calculated by
taking the returned per-atom vector of ones and zeroes and passing it
to the "compute reduce"_compute_reduce.html command.