ysical space. ">particlesmodule::particles</a> object associated with this field </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>\( \frac{1}{A} \int f(x)\, dA \) </dd></dl>

<p>Definition at line <a class="el" href="_field_8f90_source.html#l00239">239</a> of file <a class="el" href="_field_8f90_source.html">Field.f90</a>.</p>

<p>References <a class="el" href="_plane_incompressible_solver_8f90_source.html#l00044">planarincompressiblesolvermodule::planesolver::mask</a>, and