td class="memItemLeft" align="right" valign="top"><a id="a9ade42d79d22ff00b7845b01d727954a"></a>
virtual void&#160;</td><td class="memItemRight" valign="bottom"><b>Interaction</b> (<a class="el" href="classsize__t.html">size_t</a> index_i, Real dt=0.0) override</td></tr>
<tr class="separator:a9ade42d79d22ff00b7845b01d727954a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_methods_class_s_p_h_1_1solid__dynamics_1_1_base_stress_relaxation_first_half"><td colspan="2" onclic