SpECTRE Documentation Coverage Report
Current view: top level - Evolution/Executables/ScalarWave - EvolveScalarWave.hpp Hit Total Coverage
Commit: 328f9869698605d8d0d10cb5de37d74567214820 Lines: 0 25 0.0 %
Date: 2026-08-07 19:36:38
Legend: Lines: hit not hit

          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 <cstdint>
       8             : #include <vector>
       9             : 
      10             : #include "DataStructures/Tensor/IndexType.hpp"
      11             : #include "Domain/Creators/Factory1D.hpp"
      12             : #include "Domain/Creators/Factory2D.hpp"
      13             : #include "Domain/Creators/Factory3D.hpp"
      14             : #include "Domain/Tags.hpp"
      15             : #include "Evolution/Actions/RunEventsAndDenseTriggers.hpp"
      16             : #include "Evolution/Actions/RunEventsAndTriggers.hpp"
      17             : #include "Evolution/BoundaryCorrection.hpp"
      18             : #include "Evolution/ComputeTags.hpp"
      19             : #include "Evolution/DiscontinuousGalerkin/Actions/ApplyBoundaryCorrections.hpp"
      20             : #include "Evolution/DiscontinuousGalerkin/Actions/ComputeTimeDerivative.hpp"
      21             : #include "Evolution/DiscontinuousGalerkin/CleanMortarHistory.hpp"
      22             : #include "Evolution/DiscontinuousGalerkin/DgElementArray.hpp"
      23             : #include "Evolution/DiscontinuousGalerkin/EqualRateLts/ChangeFixedLtsRatio.hpp"
      24             : #include "Evolution/DiscontinuousGalerkin/EqualRateLts/FixedLtsRatio.hpp"
      25             : #include "Evolution/DiscontinuousGalerkin/EqualRateLts/NonconformingEqualRateRegions.hpp"
      26             : #include "Evolution/DiscontinuousGalerkin/Initialization/Mortars.hpp"
      27             : #include "Evolution/DiscontinuousGalerkin/Initialization/ProjectSpectralFilters.hpp"
      28             : #include "Evolution/DiscontinuousGalerkin/Initialization/QuadratureTag.hpp"
      29             : #include "Evolution/DiscontinuousGalerkin/Initialization/SetupEqualRateRegions.hpp"
      30             : #include "Evolution/DiscontinuousGalerkin/Initialization/SpectralFilters.hpp"
      31             : #include "Evolution/Initialization/DgDomain.hpp"
      32             : #include "Evolution/Initialization/Evolution.hpp"
      33             : #include "Evolution/Initialization/NonconservativeSystem.hpp"
      34             : #include "Evolution/Initialization/SetVariables.hpp"
      35             : #include "Evolution/Systems/ScalarWave/BoundaryConditions/Factory.hpp"
      36             : #include "Evolution/Systems/ScalarWave/BoundaryCorrections/Factory.hpp"
      37             : #include "Evolution/Systems/ScalarWave/EnergyDensity.hpp"
      38             : #include "Evolution/Systems/ScalarWave/Equations.hpp"
      39             : #include "Evolution/Systems/ScalarWave/Initialize.hpp"
      40             : #include "Evolution/Systems/ScalarWave/MomentumDensity.hpp"
      41             : #include "Evolution/Systems/ScalarWave/System.hpp"
      42             : #include "IO/Observer/Actions/RegisterEvents.hpp"
      43             : #include "IO/Observer/Helpers.hpp"
      44             : #include "IO/Observer/ObserverComponent.hpp"
      45             : #include "NumericalAlgorithms/DiscontinuousGalerkin/Formulation.hpp"
      46             : #include "NumericalAlgorithms/DiscontinuousGalerkin/Tags.hpp"
      47             : #include "NumericalAlgorithms/LinearOperators/Filters/Factory.hpp"
      48             : #include "NumericalAlgorithms/LinearOperators/Filters/SphericalShell.hpp"
      49             : #include "NumericalAlgorithms/LinearOperators/Filters/Tag.hpp"
      50             : #include "Options/Protocols/FactoryCreation.hpp"
      51             : #include "Options/String.hpp"
      52             : #include "Parallel/ArrayCollection/DgElementCollection.hpp"
      53             : #include "Parallel/Local.hpp"
      54             : #include "Parallel/Phase.hpp"
      55             : #include "Parallel/PhaseControl/CheckpointAndExitAfterWallclock.hpp"
      56             : #include "Parallel/PhaseControl/ExecutePhaseChange.hpp"
      57             : #include "Parallel/PhaseControl/Factory.hpp"
      58             : #include "Parallel/PhaseControl/VisitAndReturn.hpp"
      59             : #include "Parallel/PhaseDependentActionList.hpp"
      60             : #include "Parallel/Protocols/RegistrationMetavariables.hpp"
      61             : #include "Parallel/Reduction.hpp"
      62             : #include "ParallelAlgorithms/Actions/AddComputeTags.hpp"
      63             : #include "ParallelAlgorithms/Actions/InitializeItems.hpp"
      64             : #include "ParallelAlgorithms/Actions/MutateApply.hpp"
      65             : #include "ParallelAlgorithms/Actions/SpectralFilter.hpp"
      66             : #include "ParallelAlgorithms/Actions/TerminatePhase.hpp"
      67             : #include "ParallelAlgorithms/Amr/Actions/CollectDataFromChildren.hpp"
      68             : #include "ParallelAlgorithms/Amr/Actions/Component.hpp"
      69             : #include "ParallelAlgorithms/Amr/Actions/CreateChild.hpp"
      70             : #include "ParallelAlgorithms/Amr/Actions/Initialize.hpp"
      71             : #include "ParallelAlgorithms/Amr/Actions/SendAmrDiagnostics.hpp"
      72             : #include "ParallelAlgorithms/Amr/Criteria/Criterion.hpp"
      73             : #include "ParallelAlgorithms/Amr/Criteria/Factory.hpp"
      74             : #include "ParallelAlgorithms/Amr/Criteria/Tags/Criteria.hpp"
      75             : #include "ParallelAlgorithms/Amr/Events/ObserveAmrCriteria.hpp"
      76             : #include "ParallelAlgorithms/Amr/Events/ObserveAmrStats.hpp"
      77             : #include "ParallelAlgorithms/Amr/Events/RefineMesh.hpp"
      78             : #include "ParallelAlgorithms/Amr/Projectors/CopyFromCreatorOrLeaveAsIs.hpp"
      79             : #include "ParallelAlgorithms/Amr/Projectors/DefaultInitialize.hpp"
      80             : #include "ParallelAlgorithms/Amr/Projectors/Tensors.hpp"
      81             : #include "ParallelAlgorithms/Amr/Projectors/Variables.hpp"
      82             : #include "ParallelAlgorithms/Amr/Protocols/AmrMetavariables.hpp"
      83             : #include "ParallelAlgorithms/Events/ChangeFixedLtsRatio.hpp"
      84             : #include "ParallelAlgorithms/Events/Completion.hpp"
      85             : #include "ParallelAlgorithms/Events/Factory.hpp"
      86             : #include "ParallelAlgorithms/Events/Tags.hpp"
      87             : #include "ParallelAlgorithms/EventsAndDenseTriggers/DenseTrigger.hpp"
      88             : #include "ParallelAlgorithms/EventsAndDenseTriggers/DenseTriggers/Factory.hpp"
      89             : #include "ParallelAlgorithms/EventsAndTriggers/Event.hpp"
      90             : #include "ParallelAlgorithms/EventsAndTriggers/EventsAndTriggers.hpp"
      91             : #include "ParallelAlgorithms/EventsAndTriggers/LogicalTriggers.hpp"
      92             : #include "ParallelAlgorithms/EventsAndTriggers/Trigger.hpp"
      93             : #include "PointwiseFunctions/AnalyticData/AnalyticData.hpp"
      94             : #include "PointwiseFunctions/AnalyticSolutions/AnalyticSolution.hpp"
      95             : #include "PointwiseFunctions/AnalyticSolutions/Tags.hpp"
      96             : #include "PointwiseFunctions/AnalyticSolutions/WaveEquation/Factory.hpp"
      97             : #include "PointwiseFunctions/AnalyticSolutions/WaveEquation/PlaneWave.hpp"
      98             : #include "PointwiseFunctions/AnalyticSolutions/WaveEquation/RegularSphericalWave.hpp"
      99             : #include "PointwiseFunctions/InitialDataUtilities/NumericData.hpp"
     100             : #include "PointwiseFunctions/MathFunctions/Factory.hpp"
     101             : #include "PointwiseFunctions/MathFunctions/MathFunction.hpp"
     102             : #include "Time/Actions/SelfStartActions.hpp"
     103             : #include "Time/AdvanceTime.hpp"
     104             : #include "Time/ChangeSlabSize/Action.hpp"
     105             : #include "Time/ChangeSlabSize/Tags.hpp"
     106             : #include "Time/ChangeTimeStepperOrder.hpp"
     107             : #include "Time/CleanHistory.hpp"
     108             : #include "Time/RecordTimeStepperData.hpp"
     109             : #include "Time/StepChoosers/ByBlock.hpp"
     110             : #include "Time/StepChoosers/Factory.hpp"
     111             : #include "Time/StepChoosers/StepChooser.hpp"
     112             : #include "Time/Tags/StepperErrors.hpp"
     113             : #include "Time/Tags/Time.hpp"
     114             : #include "Time/Tags/TimeStepId.hpp"
     115             : #include "Time/TimeSequence.hpp"
     116             : #include "Time/TimeSteppers/Factory.hpp"
     117             : #include "Time/TimeSteppers/LtsTimeStepper.hpp"
     118             : #include "Time/TimeSteppers/TimeStepper.hpp"
     119             : #include "Time/Triggers/TimeTriggers.hpp"
     120             : #include "Time/UpdateU.hpp"
     121             : #include "Utilities/ErrorHandling/Error.hpp"
     122             : #include "Utilities/Functional.hpp"
     123             : #include "Utilities/ProtocolHelpers.hpp"
     124             : #include "Utilities/TMPL.hpp"
     125             : 
     126             : /// \cond
     127             : namespace Frame {
     128             : 
     129             : struct Inertial;
     130             : }  // namespace Frame
     131             : namespace Parallel {
     132             : template <typename Metavariables>
     133             : class CProxy_GlobalCache;
     134             : }  // namespace Parallel
     135             : namespace PUP {
     136             : class er;
     137             : }  // namespace PUP
     138             : /// \endcond
     139             : 
     140             : template <size_t Dim>
     141             : struct EvolutionMetavars {
     142             :   static constexpr size_t volume_dim = Dim;
     143             : 
     144           0 :   using initial_data_list = ScalarWave::Solutions::all_solutions<Dim>;
     145             : 
     146           0 :   using system = ScalarWave::System<Dim>;
     147           0 :   using temporal_id = Tags::TimeStepId;
     148           0 :   using TimeStepperBase = TimeStepper;
     149             : 
     150             :   static constexpr bool local_time_stepping =
     151             :       TimeStepperBase::local_time_stepping;
     152             :   static constexpr bool use_dg_element_collection = false;
     153             : 
     154           0 :   using analytic_solution_fields = typename system::variables_tag::tags_list;
     155           0 :   using deriv_compute = ::Tags::DerivCompute<
     156             :       typename system::variables_tag, domain::Tags::Mesh<volume_dim>,
     157             :       domain::Tags::InverseJacobian<volume_dim, Frame::ElementLogical,
     158             :                                     Frame::Inertial>,
     159             :       typename system::gradient_variables,
     160             :       domain::Tags::Coordinates<volume_dim, Frame::Inertial>>;
     161           0 :   using analytic_compute =
     162             :       evolution::Tags::AnalyticSolutionsCompute<Dim, analytic_solution_fields,
     163             :                                                 false, initial_data_list>;
     164           0 :   using error_compute = Tags::ErrorsCompute<analytic_solution_fields>;
     165           0 :   using error_tags = db::wrap_tags_in<Tags::Error, analytic_solution_fields>;
     166             : 
     167           0 :   using observe_fields = tmpl::push_back<
     168             :       tmpl::append<typename system::variables_tag::tags_list,
     169             :                    typename deriv_compute::type::tags_list, error_tags>,
     170             :       ScalarWave::Tags::EnergyDensityCompute<volume_dim>,
     171             :       ScalarWave::Tags::MomentumDensityCompute<volume_dim>,
     172             :       ScalarWave::Tags::OneIndexConstraintCompute<volume_dim>,
     173             :       ScalarWave::Tags::TwoIndexConstraintCompute<volume_dim>,
     174             :       ::Tags::PointwiseL2NormCompute<
     175             :           ScalarWave::Tags::OneIndexConstraint<volume_dim>>,
     176             :       ::Tags::PointwiseL2NormCompute<
     177             :           ScalarWave::Tags::TwoIndexConstraint<volume_dim>>,
     178             :       domain::Tags::Coordinates<volume_dim, Frame::Grid>,
     179             :       domain::Tags::Coordinates<volume_dim, Frame::Inertial>>;
     180           0 :   using non_tensor_compute_tags =
     181             :       tmpl::list<::Events::Tags::ObserverMeshCompute<volume_dim>,
     182             :                  ::Events::Tags::ObserverDetInvJacobianCompute<
     183             :                      Frame::ElementLogical, Frame::Inertial>,
     184             :                  deriv_compute, analytic_compute, error_compute>;
     185             : 
     186             :   struct factory_creation
     187             :       : tt::ConformsTo<Options::protocols::FactoryCreation> {
     188           0 :     using factory_classes = tmpl::map<
     189             :         tmpl::pair<amr::Criterion,
     190             :                    amr::Criteria::standard_criteria<
     191             :                        volume_dim, typename system::variables_tag::tags_list>>,
     192             :         tmpl::pair<DenseTrigger, DenseTriggers::standard_dense_triggers>,
     193             :         tmpl::pair<DomainCreator<volume_dim>, domain_creators<volume_dim>>,
     194             :         tmpl::pair<Event,
     195             :                    tmpl::flatten<tmpl::list<
     196             :                        Events::Completion, amr::Events::RefineMesh,
     197             :                        amr::Events::ObserveAmrStats<volume_dim>,
     198             :                        amr::Events::ObserveAmrCriteria<EvolutionMetavars>,
     199             :                        dg::Events::field_observations<
     200             :                            volume_dim, observe_fields, non_tensor_compute_tags>,
     201             :                        Events::time_events<system>,
     202             :                        dg::Events::ChangeFixedLtsRatio<volume_dim>>>>,
     203             :         tmpl::pair<evolution::BoundaryCorrection,
     204             :                    ScalarWave::BoundaryCorrections::
     205             :                        standard_boundary_corrections<volume_dim>>,
     206             :         tmpl::pair<evolution::initial_data::InitialData,
     207             :                    tmpl::push_back<initial_data_list,
     208             :                                    evolution::initial_data::NumericData>>,
     209             :         tmpl::pair<LtsTimeStepper, TimeSteppers::lts_time_steppers>,
     210             :         tmpl::pair<MathFunction<1, Frame::Inertial>,
     211             :                    MathFunctions::all_math_functions<1, Frame::Inertial>>,
     212             :         tmpl::pair<PhaseChange, PhaseControl::factory_creatable_classes>,
     213             :         tmpl::pair<
     214             :             ScalarWave::BoundaryConditions::BoundaryCondition<volume_dim>,
     215             :             ScalarWave::BoundaryConditions::standard_boundary_conditions<
     216             :                 volume_dim>>,
     217             :         tmpl::pair<StepChooser<StepChooserUse::LtsStep>,
     218             :                    tmpl::push_back<StepChoosers::standard_step_choosers<system>,
     219             :                                    StepChoosers::ByBlock<volume_dim>>>,
     220             :         tmpl::pair<StepChooser<StepChooserUse::Slab>,
     221             :                    tmpl::push_back<
     222             :                        StepChoosers::standard_slab_choosers<system>,
     223             :                        evolution::dg::StepChoosers::FixedLtsRatio<volume_dim>,
     224             :                        StepChoosers::ByBlock<volume_dim>>>,
     225             :         tmpl::pair<TimeSequence<double>,
     226             :                    TimeSequences::all_time_sequences<double>>,
     227             :         tmpl::pair<TimeSequence<std::uint64_t>,
     228             :                    TimeSequences::all_time_sequences<std::uint64_t>>,
     229             :         tmpl::pair<TimeStepper, TimeSteppers::time_steppers>,
     230             :         tmpl::pair<Trigger, tmpl::append<Triggers::logical_triggers,
     231             :                                          Triggers::time_triggers>>,
     232             :         tmpl::pair<
     233             :             Filters::Filter<volume_dim,
     234             :                             typename system::variables_tag::tags_list>,
     235             :             tmpl::append<
     236             :                 Filters::all_filters<volume_dim,
     237             :                                      typename system::variables_tag::tags_list>,
     238             :                 tmpl::conditional_t<
     239             :                     volume_dim == 3,
     240             :                     tmpl::list<Filters::SphericalShell<
     241             :                         typename system::variables_tag::tags_list>>,
     242             :                     tmpl::list<>>>>>;
     243             :   };
     244             : 
     245           0 :   using observed_reduction_data_tags =
     246             :       observers::collect_reduction_data_tags<tmpl::flatten<tmpl::list<
     247             :           tmpl::at<typename factory_creation::factory_classes, Event>>>>;
     248             : 
     249           0 :   using step_actions = tmpl::flatten<tmpl::list<
     250             :       evolution::dg::Actions::ComputeTimeDerivative<
     251             :           volume_dim, system, AllStepChoosers, use_dg_element_collection>,
     252             :       evolution::dg::Actions::ApplyBoundaryCorrectionsToTimeDerivative<
     253             :           volume_dim, use_dg_element_collection>,
     254             :       Actions::MutateApply<RecordTimeStepperData<system>>,
     255             :       evolution::Actions::RunEventsAndDenseTriggers<tmpl::list<
     256             :           evolution::dg::ApplyLtsDenseBoundaryCorrections<EvolutionMetavars>>>,
     257             :       Actions::MutateApply<UpdateU<system>>,
     258             :       evolution::dg::Actions::ApplyLtsBoundaryCorrections<
     259             :           volume_dim, use_dg_element_collection>,
     260             :       Actions::MutateApply<ChangeTimeStepperOrder<system>>,
     261             :       Actions::MutateApply<CleanHistory<system>>,
     262             :       Actions::MutateApply<evolution::dg::CleanMortarHistory<volume_dim>>,
     263             :       dg::Actions::SpectralFilter>>;
     264             : 
     265           0 :   using const_global_cache_tags =
     266             :       tmpl::list<evolution::initial_data::Tags::InitialData>;
     267             : 
     268           0 :   using dg_registration_list =
     269             :       tmpl::list<observers::Actions::RegisterEventsWithObservers>;
     270             : 
     271           0 :   using equal_rate_regions =
     272             :       tmpl::list<evolution::dg::NonconformingEqualRateRegions<volume_dim>>;
     273             : 
     274           0 :   using initialization_actions = tmpl::list<
     275             :       Initialization::Actions::InitializeItems<
     276             :           Initialization::TimeStepping<EvolutionMetavars, TimeStepper, false,
     277             :                                        true>,
     278             :           evolution::dg::Initialization::Domain<EvolutionMetavars>,
     279             :           ::amr::Initialization::Initialize<volume_dim, EvolutionMetavars>,
     280             :           Initialization::TimeStepperHistory<EvolutionMetavars>>,
     281             :       Initialization::Actions::NonconservativeSystem<system>,
     282             :       evolution::Initialization::Actions::SetVariables<
     283             :           domain::Tags::Coordinates<Dim, Frame::ElementLogical>>,
     284             :       ScalarWave::Actions::InitializeConstraints<volume_dim>,
     285             :       Initialization::Actions::AddComputeTags<
     286             :           StepChoosers::step_chooser_compute_tags<EvolutionMetavars>>,
     287             :       ::evolution::dg::Initialization::Mortars<volume_dim>,
     288             :       evolution::dg::Initialization::Actions::SetupEqualRateRegions<
     289             :           EvolutionMetavars, volume_dim, equal_rate_regions>,
     290             :       evolution::Actions::InitializeRunEventsAndDenseTriggers,
     291             :       Initialization::Actions::InitializeItems<
     292             :           evolution::dg::Initialization::SpectralFilters<
     293             :               volume_dim, typename system::variables_tag::tags_list>>,
     294             :       Parallel::Actions::TerminatePhase>;
     295             : 
     296           0 :   using dg_element_array = DgElementArray<
     297             :       EvolutionMetavars,
     298             :       tmpl::list<
     299             :           Parallel::PhaseActions<Parallel::Phase::Initialization,
     300             :                                  initialization_actions>,
     301             : 
     302             :           Parallel::PhaseActions<
     303             :               Parallel::Phase::InitializeTimeStepperHistory,
     304             :               SelfStart::self_start_procedure<step_actions, system>>,
     305             : 
     306             :           Parallel::PhaseActions<Parallel::Phase::Register,
     307             :                                  tmpl::list<dg_registration_list,
     308             :                                             Parallel::Actions::TerminatePhase>>,
     309             : 
     310             :           Parallel::PhaseActions<Parallel::Phase::Restart,
     311             :                                  tmpl::list<dg_registration_list,
     312             :                                             Parallel::Actions::TerminatePhase>>,
     313             : 
     314             :           Parallel::PhaseActions<
     315             :               Parallel::Phase::WriteCheckpoint,
     316             :               tmpl::list<evolution::Actions::RunEventsAndTriggers<
     317             :                              Triggers::WhenToCheck::AtCheckpoints>,
     318             :                          Parallel::Actions::TerminatePhase>>,
     319             : 
     320             :           Parallel::PhaseActions<Parallel::Phase::CheckDomain,
     321             :                                  tmpl::list<::amr::Actions::SendAmrDiagnostics,
     322             :                                             Parallel::Actions::TerminatePhase>>,
     323             : 
     324             :           Parallel::PhaseActions<
     325             :               Parallel::Phase::Evolve,
     326             :               tmpl::flatten<
     327             :                   tmpl::list<evolution::Actions::RunEventsAndTriggers<
     328             :                                  Triggers::WhenToCheck::AtSteps>,
     329             :                              evolution::Actions::RunEventsAndTriggers<
     330             :                                  Triggers::WhenToCheck::AtSlabs>,
     331             :                              Actions::ChangeSlabSize,
     332             :                              evolution::dg::Actions::ChangeFixedLtsRatio,
     333             :                              step_actions, Actions::MutateApply<AdvanceTime<>>,
     334             :                              PhaseControl::Actions::ExecutePhaseChange>>>>>;
     335             : 
     336             :   struct amr : tt::ConformsTo<::amr::protocols::AmrMetavariables> {
     337           0 :     using element_array = dg_element_array;
     338           0 :     using projectors = tmpl::list<
     339             :         Initialization::ProjectTimeStepping<volume_dim>,
     340             :         evolution::dg::Initialization::ProjectDomain<volume_dim>,
     341             :         ::amr::projectors::ProjectVariables<volume_dim,
     342             :                                             typename system::variables_tag>,
     343             :         ::amr::projectors::ProjectTensors<volume_dim,
     344             :                                           ::ScalarWave::Tags::ConstraintGamma2>,
     345             :         evolution::dg::Initialization::ProjectMortars<volume_dim>,
     346             :         Initialization::ProjectTimeStepperHistory<EvolutionMetavars>,
     347             :         evolution::Actions::ProjectRunEventsAndDenseTriggers,
     348             :         evolution::dg::Initialization::ProjectSpectralFilters<
     349             :             volume_dim, typename system::variables_tag::tags_list>,
     350             :         ::amr::projectors::DefaultInitialize<
     351             :             Initialization::Tags::InitialTimeDelta,
     352             :             Initialization::Tags::InitialSlabSize,
     353             :             ::domain::Tags::InitialExtents<volume_dim>,
     354             :             ::domain::Tags::InitialRefinementLevels<volume_dim>,
     355             :             evolution::dg::Tags::Quadrature,
     356             :             Tags::StepperErrors<typename system::variables_tag>,
     357             :             SelfStart::Tags::InitialValue<typename system::variables_tag>,
     358             :             SelfStart::Tags::InitialValue<Tags::TimeStep>>,
     359             :         ::amr::projectors::CopyFromCreatorOrLeaveAsIs<
     360             :             evolution::dg::Tags::ChangeFixedLtsRatio::NumberOfExpectedMessages,
     361             :             evolution::dg::Tags::ChangeFixedLtsRatio::NewStepSize,
     362             :             Tags::FixedLtsRatio,
     363             :             Parallel::Tags::Section<dg_element_array,
     364             :                                     evolution::dg::Tags::EqualRateRegionId>,
     365             :             Tags::ChangeSlabSize::NumberOfExpectedMessages,
     366             :             Tags::ChangeSlabSize::NewSlabSize>>;
     367             :     static constexpr bool keep_coarse_grids = false;
     368             :     static constexpr bool p_refine_only_in_event = true;
     369             :   };
     370             : 
     371             :   struct registration
     372             :       : tt::ConformsTo<Parallel::protocols::RegistrationMetavariables> {
     373           0 :     using element_registrars =
     374             :         tmpl::map<tmpl::pair<dg_element_array, dg_registration_list>>;
     375             :   };
     376             : 
     377           0 :   using component_list =
     378             :       tmpl::list<::amr::Component<EvolutionMetavars>,
     379             :                  observers::Observer<EvolutionMetavars>,
     380             :                  observers::ObserverWriter<EvolutionMetavars>,
     381             :                  dg_element_array>;
     382             : 
     383             :   static constexpr Options::String help{
     384             :       "Evolve a Scalar Wave in Dim spatial dimension.\n\n"
     385             :       "The numerical flux is:    UpwindFlux\n"};
     386             : 
     387             :   static constexpr auto default_phase_order = std::array<Parallel::Phase, 6>{
     388             :       Parallel::Phase::Initialization,
     389             :       Parallel::Phase::InitializeTimeStepperHistory,
     390             :       Parallel::Phase::Register,
     391             :       Parallel::Phase::CheckDomain,
     392             :       Parallel::Phase::Evolve,
     393             :       Parallel::Phase::Exit};
     394             : 
     395             :   // NOLINTNEXTLINE(google-runtime-references)
     396           0 :   void pup(PUP::er& /*p*/) {}
     397             : };

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