 <OpenGeoSysProjectDiff base_file="A2.prj">

   <remove sel=".//processes/process[1]/initial_stress" />

   <add sel=".//processes/process[1]">

     <initial_stress type="total">total_stress0</initial_stress>

   </add>

   <add sel=".//parameters">

     <parameter>

       <name>total_stress0</name>

       <type>Constant</type>

       <values>-10e6 -10e6 -12e6 0.0 0.0 0.0</values>

     </parameter>

   </add>

   <replace msel=".//time_loop/output/prefix/text()">A2_total_stess0_test</replace>

   <remove sel=".//test_definition" />

 </OpenGeoSysProjectDiff>