"></a><span class="lineno">  127</span>&#160;                    contact_Vol_.push_back(&amp;(contact_particles_[k]-&gt;Vol_));</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                    contact_rho_n_.push_back(&amp;(contact_particles_[k]-&gt;rho_));</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                    contact_vel_n_.push_back(&amp;(contact_particles_[k]-&gt;vel_));</div><div class="line"><a name="l00130"></a><spa