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