Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <array>
       7             : #include <cstddef>
       8             : #include <memory>
       9             : #include <string>
      10             : #include <unordered_map>
      11             : 
      12             : #include "DataStructures/DataBox/Tag.hpp"
      13             : #include "DataStructures/Tensor/TypeAliases.hpp"  // IWYU pragma: keep
      14             : #include "Domain/CoordinateMaps/Tags.hpp"
      15             : #include "Domain/Tags.hpp"
      16             : #include "Domain/TagsTimeDependent.hpp"
      17             : #include "Time/Tags.hpp"
      18             : #include "Utilities/TMPL.hpp"
      19             : 
      20             : /// \cond
      21             : namespace domain {
      22             : template <typename SourceFrame, typename TargetFrame, size_t Dim>
      23             : class CoordinateMapBase;
      24             : namespace FunctionsOfTime {
      25             : class FunctionOfTime;
      26             : }  // namespace FunctionsOfTime
      27             : }  // namespace domain
      28             : template <size_t VolumeDim, typename Frame>
      29             : class ElementMap;
      30             : namespace domain {
      31             : namespace Tags {
      32             : template <size_t Dim, typename Frame>
      33             : struct ElementMap;
      34             : }  // namespace Tags
      35             : }  // namespace domain
      36             : /// \endcond
      37             : 
      38             : /// @{
      39             : /*!
      40             :  * \ingroup ComputationalDomainGroup
      41             :  * \brief Compute the inertial-coordinate size of an element along each of its
      42             :  * logical directions.
      43             :  *
      44             :  * For each logical direction, compute the distance (in inertial coordinates)
      45             :  * between the element's lower and upper faces in that logical direction.
      46             :  * The distance is measured between centers of the faces, with the centers
      47             :  * defined in the logical coordinates.
      48             :  * Note that for curved elements, this is an approximate measurement of size.
      49             :  *
      50             :  * \details
      51             :  * Because this quantity is defined in terms of specific coordinates, it is
      52             :  * not well represented by a `Tensor`, so we use a `std::array`.
      53             :  */
      54             : template <size_t VolumeDim>
      55           1 : std::array<double, VolumeDim> size_of_element(
      56             :     const ElementMap<VolumeDim, Frame::Inertial>& logical_to_inertial_map);
      57             : 
      58             : template <size_t VolumeDim>
      59           1 : std::array<double, VolumeDim> size_of_element(
      60             :     const ElementMap<VolumeDim, Frame::Grid>& logical_to_grid_map,
      61             :     const domain::CoordinateMapBase<Frame::Grid, Frame::Inertial, VolumeDim>&
      62             :         grid_to_inertial_map,
      63             :     double time,
      64             :     const std::unordered_map<
      65             :         std::string, std::unique_ptr<domain::FunctionsOfTime::FunctionOfTime>>&
      66             :         functions_of_time);
      67             : /// @}
      68             : 
      69             : namespace domain {
      70             : namespace Tags {
      71             : /// \ingroup DataBoxTagsGroup
      72             : /// \ingroup ComputationalDomainGroup
      73             : /// The inertial-coordinate size of an element along each of its logical
      74             : /// directions.
      75             : template <size_t VolumeDim>
      76           1 : struct SizeOfElement : db::SimpleTag {
      77           0 :   using type = std::array<double, VolumeDim>;
      78             : };
      79             : 
      80             : template <size_t VolumeDim>
      81           0 : struct SizeOfElementCompute : db::ComputeTag, SizeOfElement<VolumeDim> {
      82           0 :   using base = SizeOfElement<VolumeDim>;
      83           0 :   using argument_tags =
      84             :       tmpl::list<Tags::ElementMap<VolumeDim, Frame::Grid>,
      85             :                  CoordinateMaps::Tags::CoordinateMap<VolumeDim, Frame::Grid,
      86             :                                                      Frame::Inertial>,
      87             :                  ::Tags::Time, domain::Tags::FunctionsOfTime>;
      88           0 :   using return_type = typename base::type;
      89             : 
      90           0 :   static constexpr void function(
      91             :       gsl::not_null<std::array<double, VolumeDim>*> result,
      92             :       const ::ElementMap<VolumeDim, Frame::Grid>& logical_to_grid_map,
      93             :       const domain::CoordinateMapBase<Frame::Grid, Frame::Inertial, VolumeDim>&
      94             :           grid_to_inertial_map,
      95             :       const double time,
      96             :       const std::unordered_map<
      97             :           std::string,
      98             :           std::unique_ptr<domain::FunctionsOfTime::FunctionOfTime>>&
      99             :           functions_of_time) {
     100             :     *result = size_of_element(logical_to_grid_map, grid_to_inertial_map, time,
     101             :                               functions_of_time);
     102             :   }
     103             : };
     104             : }  // namespace Tags
     105             : }  // namespace domain