diff --git a/doc/src/pair_meam.txt b/doc/src/pair_meam.txt index b4893d1db1..b57339b180 100644 --- a/doc/src/pair_meam.txt +++ b/doc/src/pair_meam.txt @@ -6,18 +6,17 @@ :line -pair_style meam command :h3 pair_style meam/c command :h3 [Syntax:] pair_style style :pre -style = {meam} or {meam/c} +style = {meam/c} [Examples:] -pair_style meam +pair_style meam/c pair_coeff * * ../potentials/library.meam Si ../potentials/si.meam Si pair_coeff * * ../potentials/library.meam Ni Al NULL Ni Al Ni Ni :pre @@ -27,14 +26,16 @@ NOTE: The behavior of the MEAM potential for alloy systems has changed as of November 2010; see description below of the mixture_ref_t parameter -Style {meam} computes pairwise interactions for a variety of materials +Style {meam/c} computes pairwise interactions for a variety of materials using modified embedded-atom method (MEAM) potentials "(Baskes)"_#Baskes. Conceptually, it is an extension to the original "EAM potentials"_pair_eam.html which adds angular forces. It is thus suitable for modeling metals and alloys with fcc, bcc, hcp and diamond cubic structures, as well as covalently bonded materials like -silicon and carbon. Style {meam/c} is a translation of the {meam} code -from (mostly) Fortran to C++. It is functionally equivalent to {meam}. +silicon and carbon. Style {meam/c} is a translation of the (now obsolete) +{meam} code from Fortran to C++. It is functionally equivalent to {meam} +but more efficient, and thus {meam} has been removed from LAMMPS after +the 12 December 2018 release. In the MEAM formulation, the total energy E of a system of atoms is given by: @@ -352,13 +353,8 @@ This pair style can only be used via the {pair} keyword of the [Restrictions:] -The {meam} style is part of the MEAM package. It is only enabled if -LAMMPS was built with that package, which also requires the MEAM -library be built and linked with LAMMPS. The {meam/c} style is -provided in the USER-MEAMC package. It is only enabled if LAMMPS was -built with that package. In contrast to the {meam} style, {meam/c} -does not require a separate library to be compiled and it can be -instantiated multiple times in a "hybrid"_pair_hybrid.html pair style. +The {meam/c} style is provided in the USER-MEAMC package. It is +only enabled if LAMMPS was built with that package. See the "Build package"_Build_package.html doc page for more info. [Related commands:]