i>
  <li><a href="https://www.mcs.anl.gov/petsc/petsc-current/src/ts/tutorials/ex11.c.html#line186">source code of physics modules</a></li>
</ul>

<p>DO THE FOLLOWING:</p>
<ul>
  <li> Compile src/ts/tutorials/ex11.c
    <pre>
      cd petsc/src/ts/tutorials
      make ex11
  </pre>
  <li>Run simple advection through a tiny hybrid mesh
    <pre>
     mpiexec -n 1 ./ex11 -f ${PETSC_DIR}/share/petsc/datafiles/meshes/sevenside.exo      <a href="https://www.mcs.anl.gov/petsc/petsc-current/src/ts/tutorials/output