60;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a>(){};</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            <a class="code" href="c