Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <cstddef>
       7             : #include <memory>
       8             : #include <optional>
       9             : #include <string>
      10             : 
      11             : #include "DataStructures/DataVector.hpp"
      12             : #include "DataStructures/Tensor/Tensor.hpp"
      13             : #include "Evolution/BoundaryConditions/Type.hpp"
      14             : #include "Evolution/Systems/SecondOrderScalarWave/BoundaryConditions/BoundaryCondition.hpp"
      15             : #include "Options/String.hpp"
      16             : #include "PointwiseFunctions/InitialDataUtilities/InitialData.hpp"
      17             : #include "Utilities/Gsl.hpp"
      18             : #include "Utilities/Serialization/CharmPupable.hpp"
      19             : #include "Utilities/TMPL.hpp"
      20             : 
      21             : /// \cond
      22             : namespace PUP {
      23             : class er;
      24             : }  // namespace PUP
      25             : namespace Tags {
      26             : struct Time;
      27             : }  // namespace Tags
      28             : namespace domain::Tags {
      29             : template <size_t Dim, typename Frame>
      30             : struct Coordinates;
      31             : }  // namespace domain::Tags
      32             : /// \endcond
      33             : 
      34             : namespace SecondOrderScalarWave::BoundaryConditions {
      35             : /*!
      36             :  * \brief Sets Dirichlet boundary conditions from a prescribed analytic
      37             :  * solution.
      38             :  *
      39             :  * Fills the exterior (ghost) values of the evolved variables \f$\Psi\f$ and
      40             :  * \f$\Pi\f$ as well as the LDG auxiliary variable \f$\Phi_i\f$ from the
      41             :  * analytic solution evaluated at the boundary.
      42             :  */
      43             : template <size_t Dim>
      44           1 : class DirichletAnalytic final : public BoundaryCondition<Dim> {
      45             :  public:
      46             :   /// \brief What analytic solution to prescribe.
      47           1 :   struct AnalyticPrescription {
      48           0 :     static constexpr Options::String help =
      49             :         "What analytic solution to prescribe.";
      50           0 :     using type = std::unique_ptr<evolution::initial_data::InitialData>;
      51             :   };
      52             : 
      53           0 :   using options = tmpl::list<AnalyticPrescription>;
      54             : 
      55           0 :   static constexpr Options::String help{
      56             :       "DirichletAnalytic boundary conditions setting the value of Psi, Pi, and"
      57             :       " Phi to the analytic solution."};
      58             : 
      59           0 :   DirichletAnalytic() = default;
      60           0 :   DirichletAnalytic(DirichletAnalytic&&) = default;
      61           0 :   DirichletAnalytic& operator=(DirichletAnalytic&&) = default;
      62           0 :   DirichletAnalytic(const DirichletAnalytic&);
      63           0 :   DirichletAnalytic& operator=(const DirichletAnalytic&);
      64           0 :   ~DirichletAnalytic() override = default;
      65             : 
      66           0 :   explicit DirichletAnalytic(
      67             :       std::unique_ptr<evolution::initial_data::InitialData>
      68             :           analytic_prescription);
      69             : 
      70           0 :   explicit DirichletAnalytic(CkMigrateMessage* msg);
      71             : 
      72           0 :   WRAPPED_PUPable_decl_base_template(
      73             :       domain::BoundaryConditions::BoundaryCondition, DirichletAnalytic);
      74             : 
      75           0 :   auto get_clone() const -> std::unique_ptr<
      76             :       domain::BoundaryConditions::BoundaryCondition> override;
      77             : 
      78           0 :   static constexpr evolution::BoundaryConditions::Type bc_type =
      79             :       evolution::BoundaryConditions::Type::Ghost;
      80             : 
      81           0 :   void pup(PUP::er& p) override;
      82             : 
      83           0 :   using dg_interior_evolved_variables_tags = tmpl::list<>;
      84           0 :   using dg_interior_temporary_tags =
      85             :       tmpl::list<domain::Tags::Coordinates<Dim, Frame::Inertial>>;
      86           0 :   using dg_gridless_tags = tmpl::list<::Tags::Time>;
      87             : 
      88           0 :   std::optional<std::string> dg_ghost(
      89             :       gsl::not_null<Scalar<DataVector>*> psi,
      90             :       gsl::not_null<Scalar<DataVector>*> pi,
      91             :       gsl::not_null<tnsr::i<DataVector, Dim, Frame::Inertial>*> phi,
      92             :       const std::optional<
      93             :           tnsr::I<DataVector, Dim, Frame::Inertial>>& /*face_mesh_velocity*/,
      94             :       const tnsr::i<DataVector, Dim, Frame::Inertial>& /*normal_covector*/,
      95             :       const tnsr::I<DataVector, Dim, Frame::Inertial>& coords,
      96             :       double time) const;
      97             : 
      98             :  private:
      99           0 :   std::unique_ptr<evolution::initial_data::InitialData> analytic_prescription_;
     100             : };
     101             : }  // namespace SecondOrderScalarWave::BoundaryConditions