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<div class="section" id="pair-style-none-command">
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<span id="index-0"></span><h1>pair_style none command<a class="headerlink" href="#pair-style-none-command" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="syntax">
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<h2>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-python"><div class="highlight"><pre>pair_style none
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</pre></div>
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<div class="section" id="examples">
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<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-python"><div class="highlight"><pre>pair_style none
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</pre></div>
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</div>
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<div class="section" id="description">
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<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
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<p>Using a pair style of none means pair forces are not computed.</p>
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<p>With this choice, the force cutoff is 0.0, which means that only atoms
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within the neighbor skin distance (see the <a class="reference internal" href="neighbor.html"><em>neighbor</em></a>
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command) are communicated between processors. You must insure the
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skin distance is large enough to acquire atoms needed for computing
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bonds, angles, etc.</p>
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<p>A pair style of <em>none</em> will also prevent pairwise neighbor lists from
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being built. However if the <a class="reference internal" href="neighbor.html"><em>neighbor</em></a> style is <em>bin</em>,
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data structures for binning are still allocated. If the neighbor skin
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distance is small, then these data structures can consume a large
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amount of memory. So you should either set the neighbor style to
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<em>nsq</em> or set the skin distance to a larger value.</p>
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</div>
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<div class="section" id="restrictions">
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<h2>Restrictions<a class="headerlink" href="#restrictions" title="Permalink to this headline">¶</a></h2>
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<blockquote>
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<div>none</div></blockquote>
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<p><strong>Related commands:</strong> none</p>
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<p><strong>Default:</strong> none</p>
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