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 <limits>
       8              : #include <memory>
       9              : #include <string>
      10              : #include <tuple>
      11              : #include <vector>
      12              : 
      13              : #include "Evolution/Systems/Cce/AnalyticSolutions/WorldtubeData.hpp"
      14              : #include "Evolution/Systems/Cce/BoundaryData.hpp"
      15              : #include "Evolution/Systems/Cce/Tags.hpp"
      16              : #include "Evolution/Systems/Cce/WorldtubeDataManager.hpp"
      17              : #include "Evolution/Systems/GeneralizedHarmonic/Tags.hpp"
      18              : #include "IO/Observer/ObserverComponent.hpp"
      19              : #include "IO/Observer/ReductionActions.hpp"
      20              : #include "NumericalAlgorithms/SpinWeightedSphericalHarmonics/SwshCoefficients.hpp"
      21              : #include "NumericalAlgorithms/SpinWeightedSphericalHarmonics/SwshTransform.hpp"
      22              : #include "Parallel/GlobalCache.hpp"
      23              : #include "Parallel/Invoke.hpp"
      24              : #include "Parallel/Local.hpp"
      25              : #include "PointwiseFunctions/GeneralRelativity/Tags.hpp"
      26              : #include "Utilities/MakeString.hpp"
      27              : #include "Utilities/Serialization/CharmPupable.hpp"
      28              : #include "Utilities/System/ParallelInfo.hpp"
      29              : 
      30              : namespace Cce {
      31            1 : namespace Tags {
      32              : /// \cond
      33              : struct ObservationLMax;
      34              : /// \endcond
      35              : }  // namespace Tags
      36              : 
      37              : /// A boundary data manager that constructs the desired boundary data into
      38              : /// the `Variables` from the data provided by the analytic solution.
      39            1 : class AnalyticBoundaryDataManager {
      40              :  public:
      41              :   // charm needs an empty constructor.
      42            0 :   AnalyticBoundaryDataManager() = default;
      43              : 
      44            0 :   AnalyticBoundaryDataManager(
      45              :       size_t l_max, double extraction_radius,
      46              :       std::unique_ptr<Solutions::WorldtubeData> generator);
      47              : 
      48              :   /*!
      49              :    * \brief Update the `boundary_data_variables` entries for all tags in
      50              :    * `Tags::characteristic_worldtube_boundary_tags` to the boundary data from
      51              :    * the analytic solution at  `time`.
      52              :    *
      53              :    * \details This class retrieves metric boundary data from the
      54              :    * `Cce::Solutions::WorldtubeData` derived class that represents an analytic
      55              :    * solution, then dispatches to `Cce::create_bondi_boundary_data()` to
      56              :    * construct the Bondi values into the provided `Variables`
      57              :    */
      58            1 :   bool populate_hypersurface_boundary_data(
      59              :       gsl::not_null<Variables<
      60              :           Tags::characteristic_worldtube_boundary_tags<Tags::BoundaryValue>>*>
      61              :           boundary_data_variables,
      62              :       double time) const;
      63              : 
      64              :   /// Use `observers::ThreadedActions::WriteSimpleData` to output the expected
      65              :   /// news at `time` from the analytic data to dataset `/expected_news.dat`.
      66              :   template <typename ParallelComponent, typename Metavariables>
      67            1 :   void write_news(Parallel::GlobalCache<Metavariables>& cache,
      68              :                   double time) const;
      69              : 
      70            0 :   size_t get_l_max() const { return l_max_; }
      71              : 
      72            0 :   const Solutions::WorldtubeData& get_generator() const { return *generator_; }
      73              : 
      74              :   /// Serialization for Charm++.
      75              :   // NOLINTNEXTLINE(google-runtime-references)
      76            1 :   void pup(PUP::er& p);
      77              : 
      78              :  private:
      79            0 :   size_t l_max_ = 0;
      80            0 :   std::unique_ptr<Solutions::WorldtubeData> generator_;
      81            0 :   double extraction_radius_ = std::numeric_limits<double>::signaling_NaN();
      82              : };
      83              : 
      84              : template <typename ParallelComponent, typename Metavariables>
      85              : void AnalyticBoundaryDataManager::write_news(
      86              :     Parallel::GlobalCache<Metavariables>& cache, const double time) const {
      87              :   const auto news = get<Tags::News>(
      88              :       generator_->variables(l_max_, time, tmpl::list<Tags::News>{}));
      89              :   const size_t observation_l_max = Parallel::get<Tags::ObservationLMax>(cache);
      90              :   std::vector<double> data_to_write(2 * square(observation_l_max + 1) + 1);
      91              :   std::vector<std::string> file_legend;
      92              :   file_legend.reserve(2 * square(observation_l_max + 1) + 1);
      93              :   file_legend.emplace_back("time");
      94              :   for (int i = 0; i <= static_cast<int>(observation_l_max); ++i) {
      95              :     for (int j = -i; j <= i; ++j) {
      96              :       file_legend.push_back(MakeString{} << "Real Y_" << i << "," << j);
      97              :       file_legend.push_back(MakeString{} << "Imag Y_" << i << "," << j);
      98              :     }
      99              :   }
     100              :   const ComplexModalVector goldberg_modes =
     101              :       Spectral::Swsh::libsharp_to_goldberg_modes(
     102              :           Spectral::Swsh::swsh_transform(l_max_, 1, get(news)), l_max_)
     103              :           .data();
     104              :   data_to_write[0] = time;
     105              :   for (size_t i = 0; i < square(observation_l_max + 1); ++i) {
     106              :     data_to_write[2 * i + 1] = real(goldberg_modes[i]);
     107              :     data_to_write[2 * i + 2] = imag(goldberg_modes[i]);
     108              :   }
     109              :   auto observer_proxy = Parallel::get_parallel_component<
     110              :       observers::ObserverWriter<Metavariables>>(cache)[0];
     111              :   const std::string prefix =
     112              :       generator_->use_noninertial_news() ? "Noninertial_" : "";
     113              :   Parallel::threaded_action<observers::ThreadedActions::WriteReductionDataRow>(
     114              :       observer_proxy, "/Cce/News_" + prefix + "expected"s, file_legend,
     115              :       std::make_tuple(data_to_write));
     116              : }
     117              : }  // namespace Cce