lammps/doc/USER/atc/man_hardy_gradients.html

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<h1><a class="anchor" name="man_hardy_gradients">fix_modify AtC transfer gradients</a></h1><h2><a class="anchor" name="syntax">
syntax</a></h2>
fix_modify AtC transfer gradients &lt;add | delete&gt; &lt;list_of_fields&gt; <br>
<ul>
<li>add | delete (keyword) = add or delete the calculation of gradients for the listed output fields <br>
</li><li>fields (keyword) = <br>
gradients can be calculated for all fields listed in <a class="el" href="man_hardy_fields.html">fix_modify AtC transfer fields</a></li></ul>
<h2><a class="anchor" name="examples">
examples</a></h2>
<code> fix_modify AtC transfer gradients add temperature velocity stress </code> <br>
<code> fix_modify AtC transfer gradients delete velocity </code> <br>
<h2><a class="anchor" name="description">
description</a></h2>
Requests calculation and ouput of gradients of the fields from the Hardy transfer class. These gradients will be with regard to spatial or material coordinate for eulerian or lagrangian analysis, respectively, as specified by atom_element_map (see <a class="el" href="man_atom_element_map.html">fix_modify AtC transfer atom_element_map</a> ) <h2><a class="anchor" name="restrictions">
restrictions</a></h2>
Must be used with the hardy AtC transfer ( see <a class="el" href="man_fix_atc.html">fix atc command</a> ) <h2><a class="anchor" name="related">
related</a></h2>
<h2><a class="anchor" name="default">
default</a></h2>
No gradients are calculated by default <hr size="1"><address style="align: right;"><small>Generated on Mon Aug 17 09:35:16 2009 for ATC by&nbsp;
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