git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@7770 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2012-02-13 16:13:49 +00:00
parent 67f6f1fb22
commit acf92b1d1f
2 changed files with 12 additions and 18 deletions

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@ -18,7 +18,8 @@
<P><B>Examples:</B>
</P>
<PRE>pair_style meam/spline
pair_coeff * * Ti.meam.spline
pair_coeff * * Ti.meam.spline Ti
pair_coeff * * Ti.meam.spline Ti Ti Ti
</PRE>
<P><B>Description:</B>
</P>
@ -26,15 +27,11 @@ pair_coeff * * Ti.meam.spline
using a variant of modified embedded-atom method (MEAM) potentials
<A HREF = "#Lenosky">(Lenosky)</A>. The total energy E is given by
</P>
<CENTER><IMG SRC = "Eqs/pair_meam_spline_1.png">
<CENTER><IMG SRC = "Eqs/pair_meam_spline.jpg">
</CENTER>
<P>with the density at atom i
</P>
<CENTER><IMG SRC = "Eqs/pair_meam_spline_2.png">
</CENTER>
<P>where theta_jik is the angle between atoms j, i, and k centered on
atom i. The five functions Phi, U, rho, f, and g are represented by
cubic splines.
<P>where rho_i is the density at atom I, theta_jik is the angle between
atoms J, I, and K centered on atom I. The five functions Phi, U, rho,
f, and g are represented by cubic splines.
</P>
<P>The cutoffs and the coefficients for these spline functions are listed
in a parameter file which is specified by the

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@ -15,7 +15,8 @@ pair_style meam/spline :pre
[Examples:]
pair_style meam/spline
pair_coeff * * Ti.meam.spline :pre
pair_coeff * * Ti.meam.spline Ti
pair_coeff * * Ti.meam.spline Ti Ti Ti :pre
[Description:]
@ -23,15 +24,11 @@ The {meam/spline} style computes pairwise interactions for metals
using a variant of modified embedded-atom method (MEAM) potentials
"(Lenosky)"_#Lenosky. The total energy E is given by
:c,image(Eqs/pair_meam_spline_1.png)
:c,image(Eqs/pair_meam_spline.jpg)
with the density at atom i
:c,image(Eqs/pair_meam_spline_2.png)
where theta_jik is the angle between atoms j, i, and k centered on
atom i. The five functions Phi, U, rho, f, and g are represented by
cubic splines.
where rho_i is the density at atom I, theta_jik is the angle between
atoms J, I, and K centered on atom I. The five functions Phi, U, rho,
f, and g are represented by cubic splines.
The cutoffs and the coefficients for these spline functions are listed
in a parameter file which is specified by the