[PL/CT] Retardation factor removed from ProcessData.

Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_retardation_factor.md

-Parameter for the specification of the retardation factor.

ProcessLib/ComponentTransport/ComponentTransportProcessData.h

@@ -39,7 +39,6 @@ struct ComponentTransportProcessData
             fluid_properties_,
         std::unique_ptr<MaterialPropertyLib::MaterialSpatialDistributionMap>&&
             media_map_,
-        ParameterLib::Parameter<double> const& retardation_factor_,
         ParameterLib::Parameter<double> const& decay_rate_,
         Eigen::VectorXd const& specific_body_force_, bool const has_gravity_,
         bool const non_advective_form_)
@@ -47,7 +46,6 @@ struct ComponentTransportProcessData
           fluid_reference_density(fluid_reference_density_),
           fluid_properties(std::move(fluid_properties_)),
           media_map(std::move(media_map_)),
-          retardation_factor(retardation_factor_),
           decay_rate(decay_rate_),
           specific_body_force(specific_body_force_),
           has_gravity(has_gravity_),
@@ -72,7 +70,6 @@ struct ComponentTransportProcessData
     std::unique_ptr<MaterialLib::Fluid::FluidProperties> fluid_properties;
     std::unique_ptr<MaterialPropertyLib::MaterialSpatialDistributionMap>
         media_map;
-    ParameterLib::Parameter<double> const& retardation_factor;
     ParameterLib::Parameter<double> const& decay_rate;
     Eigen::VectorXd const specific_body_force;
     bool const has_gravity;

ProcessLib/ComponentTransport/CreateComponentTransportProcess.cpp

@@ -128,12 +128,6 @@ std::unique_ptr<Process> createComponentTransportProcess(
     DBUG("Use '%s' as fluid_reference_density parameter.",
          fluid_reference_density.name.c_str(), &mesh);
 
-    // Parameter for the retardation factor.
-    auto const& retardation_factor = ParameterLib::findParameter<double>(
-        config,
-        //! \ogs_file_param_special{prj__processes__process__ComponentTransport__retardation_factor}
-        "retardation_factor", parameters, 1, &mesh);
-
     // Parameter for the decay rate.
     auto const& decay_rate = ParameterLib::findParameter<double>(
         config,
@@ -172,7 +166,6 @@ std::unique_ptr<Process> createComponentTransportProcess(
         fluid_reference_density,
         std::move(fluid_properties),
         std::move(media_map),
-        retardation_factor,
         decay_rate,
         specific_body_force,
         has_gravity,