tact_density.html">SPH::solid_dynamics::ShellContactDensity</a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
  <tr><td class="entry"><a class="el" href="class_s_p_h_1_1solid__dynamics_1_1_shell_contact_density.html#a934341978a0bfe7d3ac50f0b7ae3e2fa">x_0</a></td><td class="entry"><a class="el" href="class_s_p_h_1_1solid__dynamics_1_1_shell_contact_density.html">SPH::solid_dynamics::ShellContactDensity</a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
  <tr bgc