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pair_style none command
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LAMMPS 15 May 2015 version documentation
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pair_style none command
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<span
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pair_style none command
<a
class=
"headerlink"
href=
"#pair-style-none-command"
title=
"Permalink to this headline"
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¶
</a></h1>
<div
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<h2>
Syntax
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¶
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<div
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pair_style none
</pre></div>
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<h2>
Examples
<a
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¶
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pair_style none
</pre></div>
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<h2>
Description
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¶
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<p>
Using a pair style of none means pair forces are not computed.
</p>
<p>
With this choice, the force cutoff is 0.0, which means that only atoms
within the neighbor skin distance (see the
<a
class=
"reference internal"
href=
"neighbor.html"
><em>
neighbor
</em></a>
command) are communicated between processors. You must insure the
skin distance is large enough to acquire atoms needed for computing
bonds, angles, etc.
</p>
<p>
A pair style of
<em>
none
</em>
will also prevent pairwise neighbor lists from
being built. However if the
<a
class=
"reference internal"
href=
"neighbor.html"
><em>
neighbor
</em></a>
style is
<em>
bin
</em>
,
data structures for binning are still allocated. If the neighbor skin
distance is small, then these data structures can consume a large
amount of memory. So you should either set the neighbor style to
<em>
nsq
</em>
or set the skin distance to a larger value.
</p>
</div>
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<h2>
Restrictions
<a
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"headerlink"
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"#restrictions"
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"Permalink to this headline"
>
¶
</a></h2>
<blockquote>
<div>
none
</div></blockquote>
<p><strong>
Related commands:
</strong>
none
</p>
<p><strong>
Default:
</strong>
none
</p>
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