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<title>ATC: fix_modify AtC transfer rates</title>
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<h1><a class="anchor" name="man_hardy_rates">fix_modify AtC transfer rates</a></h1><h2><a class="anchor" name="syntax">
syntax</a></h2>
fix_modify AtC transfer rates &lt;add | delete&gt; &lt;list_of_fields&gt; <br>
<ul>
<li>add | delete (keyword) = add or delete the calculation of rates (time derivatives) for the listed output fields <br>
</li><li>fields (keyword) = <br>
rates 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 rates add temperature velocity stress </code> <br>
<code> fix_modify AtC transfer rates delete stress </code> <br>
<h2><a class="anchor" name="description">
description</a></h2>
Requests calculation and ouput of rates (time derivatives) of the fields from the Hardy transfer class. For eulerian analysis (see <a class="el" href="man_atom_element_map.html">fix_modify AtC transfer atom_element_map</a> ), these rates are the partial time derivatives of the nodal fields, not the full (material) time derivatives. <br>
<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 rates 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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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
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