Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <optional>
       7             : #include <tuple>
       8             : #include <utility>
       9             : 
      10             : #include "DataStructures/DataBox/DataBox.hpp"
      11             : #include "DataStructures/DataVector.hpp"
      12             : #include "DataStructures/Tensor/EagerMath/Determinant.hpp"
      13             : #include "DataStructures/Tensor/Tensor.hpp"
      14             : #include "Domain/CoordinateMaps/CoordinateMap.hpp"
      15             : #include "Domain/CoordinateMaps/Tags.hpp"
      16             : #include "Domain/ElementMap.hpp"
      17             : #include "Domain/Tags.hpp"
      18             : #include "Evolution/DgSubcell/Tags/Coordinates.hpp"
      19             : #include "Evolution/DgSubcell/Tags/Jacobians.hpp"
      20             : #include "Evolution/DiscontinuousGalerkin/MortarData.hpp"
      21             : #include "Evolution/DiscontinuousGalerkin/MortarTags.hpp"
      22             : #include "Parallel/AlgorithmExecution.hpp"
      23             : #include "Utilities/ErrorHandling/Assert.hpp"
      24             : 
      25             : /// \cond
      26             : namespace Parallel {
      27             : template <typename Metavariables>
      28             : class GlobalCache;
      29             : }  // namespace Parallel
      30             : namespace tuples {
      31             : template <typename...>
      32             : class TaggedTuple;
      33             : }  // namespace tuples
      34             : /// \endcond
      35             : 
      36             : namespace evolution::dg::subcell::fd::Actions {
      37             : /*!
      38             :  * \brief Take a finite-difference time step on the subcell grid.
      39             :  *
      40             :  * The template parameter `TimeDerivative` must have a `static apply` function
      41             :  * that takes the `DataBox` by `gsl::not_null` as the first argument, the
      42             :  * cell-centered inverse Jacobian from the logical to the grid frame as the
      43             :  * second argument, and its determinant as the third argument.
      44             :  *
      45             :  * GlobalCache: nothing
      46             :  *
      47             :  * DataBox:
      48             :  * - Uses:
      49             :  *   - `subcell::fd::Tags::InverseJacobianLogicalToGrid<Dim>`
      50             :  *   - `subcell::fd::Tags::DetInverseJacobianLogicalToGrid`
      51             :  *   - `domain::Tags::ElementMap<Dim, Frame::Grid>`
      52             :  *   - `domain::CoordinateMaps::Tags::CoordinateMap<Dim, Grid, Inertial>`
      53             :  *   - `subcell::Tags::Coordinates<Dim, Frame::ElementLogical>`
      54             :  *   - Anything that `Metavariables::SubcellOptions::TimeDerivative` uses
      55             :  * - Adds: nothing
      56             :  * - Removes: nothing
      57             :  * - Modifies:
      58             :  *   - Anything that `Metavariables::SubcellOptions::TimeDerivative` modifies
      59             :  */
      60             : template <typename TimeDerivative>
      61           1 : struct TakeTimeStep {
      62             :   template <typename DbTags, typename... InboxTags, typename Metavariables,
      63             :             typename ArrayIndex, typename ActionList,
      64             :             typename ParallelComponent, size_t Dim = Metavariables::volume_dim>
      65           0 :   static Parallel::iterable_action_return_t apply(
      66             :       db::DataBox<DbTags>& box, tuples::TaggedTuple<InboxTags...>& /*inboxes*/,
      67             :       const Parallel::GlobalCache<Metavariables>& /*cache*/,
      68             :       const ArrayIndex& /*array_index*/, const ActionList /*meta*/,
      69             :       const ParallelComponent* const /*meta*/) {
      70             :     TimeDerivative::apply(make_not_null(&box));
      71             : 
      72             :     db::mutate<evolution::dg::Tags::MortarData<Dim>>(
      73             :         [](const auto mortar_data_ptr) {
      74             :           for (auto& data : *mortar_data_ptr) {
      75             :             data.second = evolution::dg::MortarData<Dim>{};
      76             :           }
      77             :         },
      78             :         make_not_null(&box));
      79             :     return {Parallel::AlgorithmExecution::Continue, std::nullopt};
      80             :   }
      81             : };
      82             : }  // namespace evolution::dg::subcell::fd::Actions