Cs.prj

<OpenGeoSysProject>
  <meshes>
    <mesh>opa.vtu</mesh>
    <mesh>opa_left.vtu</mesh>
    <mesh>opa_right.vtu</mesh>
    <mesh>ReactiveDomain_opa.vtu</mesh>
  </meshes>
  <processes>
    <process>
      <name>hc</name>
      <type>ComponentTransport</type>
      <integration_order>2</integration_order>
      <coupling_scheme>staggered</coupling_scheme>
      <process_variables>
        <concentration>Cs</concentration>
        <concentration>C(4)</concentration>
        <concentration>Ca</concentration>
        <concentration>Cl</concentration>
        <concentration>K</concentration>
        <concentration>Mg</concentration>
        <concentration>Na</concentration>
        <concentration>S(6)</concentration>
        <concentration>Sr</concentration>
        <concentration>H</concentration>
        <pressure>pressure</pressure>
      </process_variables>
      <specific_body_force>0</specific_body_force>
      <secondary_variables>
        <secondary_variable name="darcy_velocity" />
      </secondary_variables>
    </process>
  </processes>
  <media>
    <medium id="0">
      <phases>
        <phase>
          <type>AqueousLiquid</type>
          <components>
            <component>
              <name>Cs</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>C(4)</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Ca</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Cl</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>K</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Mg</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Na</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>S(6)</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Sr</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>H</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0000e-10</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
          </components>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>1.00e+03</value>
            </property>
            <property>
              <name>viscosity</name>
              <type>Constant</type>
              <value>1.00e-03</value>
            </property>
          </properties>
        </phase>
        <phase>
          <type>Solid</type>
          <components>
            <component>
              <name>Su_</name>
              <properties>
                <property>
                  <name>molality</name>
                  <type>Constant</type>
                  <value>1.4250e+00</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Su_fes</name>
              <properties>
                <property>
                  <name>molality</name>
                  <type>Constant</type>
                  <value>1.8000e-03</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Su_ii</name>
              <properties>
                <property>
                  <name>molality</name>
                  <type>Constant</type>
                  <value>1.3800e-01</value>
                </property>
              </properties>
            </component>
          </components>
        </phase>
      </phases>
      <properties>
        <property>
          <name>permeability</name>
          <type>Constant</type>
          <value>1e-18</value>
        </property>
        <property>
          <name>porosity</name>
          <type>Constant</type>
          <value>0.15</value>
        </property>
        <property>
          <name>longitudinal_dispersivity</name>
          <type>Constant</type>
          <value>0.0</value>
        </property>
        <property>
          <name>transversal_dispersivity</name>
          <type>Constant</type>
          <value>0.0</value>
        </property>
      </properties>
    </medium>
  </media>
  <time_loop>
    <global_process_coupling>
      <max_iter>6</max_iter>
      <convergence_criteria>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
      </convergence_criteria>
    </global_process_coupling>
    <processes>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-14</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>10000000000</t_end>
          <timesteps>
            <pair>
              <repeat>50</repeat>
              <delta_t>200000000</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>Cs</prefix>
      <timesteps>
        <pair>
          <repeat>1</repeat>
          <each_steps>50</each_steps>
        </pair>
      </timesteps>
      <variables>
        <variable>Cs</variable>
        <variable>C(4)</variable>
        <variable>Ca</variable>
        <variable>Cl</variable>
        <variable>K</variable>
        <variable>Mg</variable>
        <variable>Na</variable>
        <variable>S(6)</variable>
        <variable>Sr</variable>
        <variable>H</variable>
        <variable>pressure</variable>
      </variables>
    </output>
  </time_loop>
  <chemical_system chemical_solver="Phreeqc">
    <mesh>ReactiveDomain_opa</mesh>
    <database>PSINagra2020v1-1_davies.dat</database>
    <linear_solver>general_linear_solver</linear_solver>
    <solution fixing_pe="true">
      <temperature>25</temperature>
      <pressure>1</pressure>
      <pe>-2</pe>
      <components>
        <component>Cs</component>
        <component>C(4)</component>
        <component>Ca</component>
        <component>Cl</component>
        <component>K</component>
        <component>Mg</component>
        <component>Na</component>
        <component>S(6)</component>
        <component>Sr</component>
      </components>
    </solution>
    <surface site_unit="mole">
      <site>
        <name>Su_</name>
      </site>
      <site>
        <name>Su_fes</name>
      </site>
      <site>
        <name>Su_ii</name>
      </site>
    </surface>
    <knobs>
      <max_iter>10000</max_iter>
      <relative_convergence_tolerance>1e-13</relative_convergence_tolerance>
      <tolerance>1e-15</tolerance>
      <step_size>5</step_size>
      <scaling>1</scaling>
    </knobs>
  </chemical_system>
  <parameters>
    <parameter>
      <name>C(4)_initial</name>
      <type>Constant</type>
      <value>0.0004659</value>
    </parameter>
    <parameter>
      <name>C(4)_inlet</name>
      <type>Constant</type>
      <value>0.0004659</value>
    </parameter>
    <parameter>
      <name>Ca_initial</name>
      <type>Constant</type>
      <value>0.02651</value>
    </parameter>
    <parameter>
      <name>Ca_inlet</name>
      <type>Constant</type>
      <value>0.02651</value>
    </parameter>
    <parameter>
      <name>Cl_initial</name>
      <type>Constant</type>
      <value>0.3058</value>
    </parameter>
    <parameter>
      <name>Cl_inlet</name>
      <type>Constant</type>
      <value>0.3058</value>
    </parameter>
    <parameter>
      <name>Cs_initial</name>
      <type>Constant</type>
      <value>1.019e-10</value>
    </parameter>
    <parameter>
      <name>Cs_inlet</name>
      <type>Constant</type>
      <value>1.019e-07</value>
    </parameter>
    <parameter>
      <name>H_initial</name>
      <type>Constant</type>
      <value>2.512e-08</value>
    </parameter>
    <parameter>
      <name>H_inlet</name>
      <type>Constant</type>
      <value>2.512e-08</value>
    </parameter>
    <parameter>
      <name>K_initial</name>
      <type>Constant</type>
      <value>0.001631</value>
    </parameter>
    <parameter>
      <name>K_inlet</name>
      <type>Constant</type>
      <value>0.001631</value>
    </parameter>
    <parameter>
      <name>Mg_initial</name>
      <type>Constant</type>
      <value>0.01733</value>
    </parameter>
    <parameter>
      <name>Mg_inlet</name>
      <type>Constant</type>
      <value>0.01733</value>
    </parameter>
    <parameter>
      <name>Na_initial</name>
      <type>Constant</type>
      <value>0.2447</value>
    </parameter>
    <parameter>
      <name>Na_inlet</name>
      <type>Constant</type>
      <value>0.2447</value>
    </parameter>
    <parameter>
      <name>S(6)_initial</name>
      <type>Constant</type>
      <value>0.01417</value>
    </parameter>
    <parameter>
      <name>S(6)_inlet</name>
      <type>Constant</type>
      <value>0.01417</value>
    </parameter>
    <parameter>
      <name>Sr_initial</name>
      <type>Constant</type>
      <value>0.0004577</value>
    </parameter>
    <parameter>
      <name>Sr_inlet</name>
      <type>Constant</type>
      <value>0.0004577</value>
    </parameter>
    <parameter>
      <name>p_initial</name>
      <type>Constant</type>
      <value>101325</value>
    </parameter>
    <parameter>
      <name>no_flux</name>
      <type>Constant</type>
      <value>0</value>
    </parameter>
    <parameter>
      <name>p_host_rock</name>
      <type>Constant</type>
      <value>101325</value>
    </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>
          <mesh>opa_right</mesh>
          <type>Neumann</type>
          <parameter>no_flux</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>p_host_rock</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>C(4)</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>C(4)_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>C(4)_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Ca</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Ca_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>Ca_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Cl</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Cl_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>Cl_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Cs</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Cs_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>Cs_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>H</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>H_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>H_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>K</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>K_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>K_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Mg</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Mg_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>Mg_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Na</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Na_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>Na_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>S(6)</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>S(6)_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>S(6)_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Sr</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Sr_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>opa_left</mesh>
          <type>Dirichlet</type>
          <parameter>Sr_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
  </process_variables>
  <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>
      <eigen>
        <solver_type>BiCGSTAB</solver_type>
        <precon_type>ILUT</precon_type>
        <max_iteration_step>100</max_iteration_step>
        <error_tolerance>1e-14</error_tolerance>
      </eigen>
    </linear_solver>
  </linear_solvers>
  <test_definition>
    <vtkdiff>
      <regex>Cs_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
      <field>pressure</field>
      <absolute_tolerance>1e-6</absolute_tolerance>
      <relative_tolerance>1e-10</relative_tolerance>
    </vtkdiff>
    <vtkdiff>
      <regex>Cs_ts_[0-9]*_t_[0-9]*.000000.vtu</regex>
      <field>Cs</field>
      <absolute_tolerance>1e-6</absolute_tolerance>
      <relative_tolerance>1e-10</relative_tolerance>
    </vtkdiff>
  </test_definition>
</OpenGeoSysProject>