try"><b>drho_dt_</b> (defined in <a class="el" href="class_s_p_h_1_1fluid__dynamics_1_1_base_relaxation.html">SPH::fluid_dynamics::BaseRelaxation</a>)</td><td class="entry"><a class="el" href="class_s_p_h_1_1fluid__dynamics_1_1_base_relaxation.html">SPH::fluid_dynamics::BaseRelaxation</a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
  <tr class="even"><td class="entry"><a class="el" href="class_s_p_h_1_1_particle_dynamics1_level.html#ad26df033ea045dcc268756e821d588c7">exec</a>(Real 