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