Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include "DataStructures/Tensor/EagerMath/Magnitude.hpp"
       7             : #include "DataStructures/VariablesTag.hpp"
       8             : #include "Evolution/Systems/Ccz4/BoundaryConditions/BoundaryCondition.hpp"
       9             : #include "Evolution/Systems/Ccz4/Tags.hpp"
      10             : #include "PointwiseFunctions/GeneralRelativity/Tags.hpp"
      11             : #include "Utilities/TMPL.hpp"
      12             : 
      13             : namespace Ccz4::fd {
      14           0 : struct System {
      15           0 :   using flux_variables = tmpl::list<>;
      16           0 :   using boundary_conditions_base = BoundaryConditions::BoundaryCondition;
      17           0 :   static constexpr bool has_primitive_and_conservative_vars = false;
      18           0 :   static constexpr size_t volume_dim = 3;
      19           0 :   static constexpr bool is_in_flux_conservative_form = false;
      20             :   /* shifting_shift and f should be created from options in the future */
      21             :   // whether to add the advective terms in the Gamma-driver condition
      22           0 :   static constexpr bool shifting_shift = false;
      23             : 
      24             :   // The free parameter f in the Gamma-driver condition.
      25           0 :   static constexpr double f = 0.75;
      26             : 
      27             :   // the order of the following evolved variables is important
      28             :   // as it is assumed in the filter
      29           0 :   using variables_tag = ::Tags::Variables<tmpl::list<
      30             :       ::Ccz4::Tags::ConformalMetric<DataVector, 3>,
      31             :       ::Ccz4::Tags::ConformalFactor<DataVector>,
      32             :       ::Ccz4::Tags::ATilde<DataVector, 3>,
      33             :       gr::Tags::TraceExtrinsicCurvature<DataVector>,
      34             :       ::Ccz4::Tags::Theta<DataVector>, ::Ccz4::Tags::GammaHat<DataVector, 3>,
      35             :       // gauge variables
      36             :       gr::Tags::Lapse<DataVector>, gr::Tags::Shift<DataVector, 3>,
      37             :       ::Ccz4::Tags::AuxiliaryShiftB<DataVector, 3>>>;
      38             : 
      39           0 :   using variables_tag_list = typename variables_tag::tags_list;
      40             : 
      41           0 :   using gradients_tags = variables_tag_list;
      42             : };
      43             : }  // namespace Ccz4::fd