 <OpenGeoSysProject>

   <mesh axially_symmetric="true">inert-wedge-extracted-surface-t-1s.vtu</mesh>

   <geometry>square_1x1_axi.gml</geometry>

   <processes>

     <process>

       <name>TES_pcs</name>

       <type>TES</type>

       <integration_order>2</integration_order>

       <process_variables>

         <fluid_pressure>pressure</fluid_pressure>

         <temperature>temperature</temperature>

         <vapour_mass_fraction>v_mass_frac</vapour_mass_fraction>

       </process_variables>

       <secondary_variables />

       <reactive_system>

         <type>Inert</type>

       </reactive_system>

       <fluid_specific_heat_source>0.0</fluid_specific_heat_source>

       <fluid_specific_isobaric_heat_capacity>10.0</fluid_specific_isobaric_heat_capacity>

       <solid_hydraulic_permeability>1.e-10</solid_hydraulic_permeability>

       <solid_specific_heat_source>0.0</solid_specific_heat_source>

       <solid_heat_conductivity>400</solid_heat_conductivity>

       <solid_specific_isobaric_heat_capacity>10.0</solid_specific_isobaric_heat_capacity>

       <tortuosity>1.0</tortuosity>

       <diffusion_coefficient>3.0e-5</diffusion_coefficient>

       <porosity>0.4</porosity>

       <solid_density_dry>1150.0</solid_density_dry>

       <solid_density_initial>1305.25</solid_density_initial>

       <characteristic_pressure>1e5</characteristic_pressure>

       <characteristic_temperature>200</characteristic_temperature>

       <characteristic_vapour_mass_fraction>0.01</characteristic_vapour_mass_fraction>

       <output_element_matrices>false</output_element_matrices>

     </process>

   </processes>

   <nonlinear_solvers>

     <nonlinear_solver>

       <name>basic_picard</name>

       <type>Picard</type>

       <max_iter>100</max_iter>

       <linear_solver>general_linear_solver</linear_solver>

     </nonlinear_solver>

   </nonlinear_solvers>

   <linear_solvers>

     <linear_solver>

       <name>general_linear_solver</name>

       <lis>-i bicgstab -p ilu -tol 1e-24 -maxiter 10000 -print mem</lis>

       <eigen>

         <solver_type>BiCGSTAB</solver_type>

         <precon_type>ILUT</precon_type>

         <max_iteration_step>10000</max_iteration_step>

         <error_tolerance>1e-24</error_tolerance>

       </eigen>

       <petsc>

         <prefix>tes</prefix>

         <parameters>-tes_ksp_type cg -tes_pc_type bjacobi -tes_ksp_rtol 1e-24 -tes_ksp_max_it 10000</parameters>

       </petsc>

     </linear_solver>

   </linear_solvers>

   <time_loop>

     <processes>

       <process ref="TES_pcs">

         <nonlinear_solver>basic_picard</nonlinear_solver>

         <convergence_criterion>

           <type>PerComponentDeltaX</type>

           <norm_type>NORM2</norm_type>

           <reltols>1.e-6 1e-6 1e-6</reltols>

         </convergence_criterion>

         <time_discretization>

           <type>BackwardEuler</type>

         </time_discretization>

         <time_stepping>

           <type>FixedTimeStepping</type>

           <t_initial>0.0</t_initial>

           <t_end>1.0</t_end>

           <timesteps>

             <pair>

               <repeat>10</repeat>

               <delta_t>0.25</delta_t>

             </pair>

           </timesteps>

         </time_stepping>

       </process>

     </processes>

     <output>

       <type>VTK</type>

       <prefix>tes_inert_axi</prefix>

       <timesteps>

         <pair>

           <repeat>1</repeat>

           <each_steps>1</each_steps>

         </pair>

       </timesteps>

       <variables>

         <variable>pressure</variable>

         <variable>temperature</variable>

         <variable>v_mass_frac</variable>

       </variables>

       <suffix>ts{:timestep}_t_{:time}</suffix>

     </output>

   </time_loop>

   <parameters>

     <parameter>

       <name>p_initial</name>

       <type>Constant</type>

       <value>1e5</value>

     </parameter>

     <parameter>

       <name>T_in</name>

       <type>Constant</type>

       <value>333.15</value>

     </parameter>

     <parameter>

       <name>xmV_in</name>

       <type>Constant</type>

       <value>0.025</value>

     </parameter>

     <parameter>

       <name>mass_flux</name>

       <type>Constant</type>

       <value>0.04</value>

     </parameter>

     <parameter>

       <name>heat_transfer_coefficient</name>

       <type>Constant</type>

       <value>1.4</value>

     </parameter>

     <parameter>

       <name>T_ambient</name>

       <type>Constant</type>

       <value>293.15</value>

     </parameter>

     <parameter>

       <name>T_initial</name>

       <type>MeshNode</type>

       <field_name>T0</field_name>

     </parameter>

   </parameters>

   <process_variables>

     <process_variable>

       <name>pressure</name>

       <components>1</components>

       <order>1</order>

       <initial_condition>p_initial</initial_condition>

       <boundary_conditions>

         <boundary_condition>

           <geometrical_set>geometry</geometrical_set>

           <geometry>bottom</geometry>

           <type>Neumann</type>

           <parameter>mass_flux</parameter>

         </boundary_condition>

         <boundary_condition>

           <geometrical_set>geometry</geometrical_set>

           <geometry>top</geometry>

           <type>Dirichlet</type>

           <parameter>p_initial</parameter>

         </boundary_condition>

       </boundary_conditions>

     </process_variable>

     <process_variable>

       <name>temperature</name>

       <components>1</components>

       <order>1</order>

       <initial_condition>T_initial</initial_condition>

       <boundary_conditions>

         <boundary_condition>

           <geometrical_set>geometry</geometrical_set>

           <geometry>bottom</geometry>

           <type>Dirichlet</type>

           <parameter>T_in</parameter>

         </boundary_condition>

         <boundary_condition>

           <geometrical_set>geometry</geometrical_set>

           <geometry>outer</geometry>

           <type>Robin</type>

           <alpha>heat_transfer_coefficient</alpha>

           <u_0>T_ambient</u_0>

         </boundary_condition>

       </boundary_conditions>

     </process_variable>

     <process_variable>

       <name>v_mass_frac</name>

       <components>1</components>

       <order>1</order>

       <initial_condition>xmV_in</initial_condition>

       <boundary_conditions>

         <boundary_condition>

           <geometrical_set>geometry</geometrical_set>

           <geometry>bottom</geometry>

           <type>Dirichlet</type>

           <parameter>xmV_in</parameter>

         </boundary_condition>

       </boundary_conditions>

     </process_variable>

   </process_variables>

 </OpenGeoSysProject>